{"id":1846,"date":"2026-07-23T10:10:49","date_gmt":"2026-07-23T10:10:49","guid":{"rendered":"https:\/\/viettelvtt.com\/?p=1846"},"modified":"2026-07-24T02:11:33","modified_gmt":"2026-07-24T02:11:33","slug":"doi-mat-khau-wifi-viettel","status":"publish","type":"post","link":"https:\/\/viettelvtt.com\/doi-mat-khau-wifi-viettel\/","title":{"rendered":"C\u00e1ch \u0110\u1ed5i M\u1eadt Kh\u1ea9u WiFi Viettel Trong 2 Ph\u00fat"},"content":{"rendered":"<p><span style=\"font-family: 'times new roman', times, serif;\">B\u1ea1n mu\u1ed1n <strong><a href=\"https:\/\/viettelvtt.com\/huong-dan-su-dung-internet-viettel\/\">\u0111\u1ed5i m\u1eadt kh\u1ea9u WiFi Viettel<\/a><\/strong> v\u00ec nghi ng\u1edd c\u00f3 ng\u01b0\u1eddi d\u00f9ng k\u00e9, m\u1ea1ng ch\u1eadm b\u1ea5t th\u01b0\u1eddng ho\u1eb7c c\u1ea7n t\u0103ng b\u1ea3o m\u1eadt cho gia \u0111\u00ecnh? Thao t\u00e1c n\u00e0y th\u01b0\u1eddng ch\u1ec9 m\u1ea5t v\u00e0i ph\u00fat v\u00e0 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n ngay tr\u00ean \u0111i\u1ec7n tho\u1ea1i b\u1eb1ng \u1ee9ng d\u1ee5ng My Viettel ho\u1eb7c tr\u00ean m\u00e1y t\u00ednh th\u00f4ng qua giao di\u1ec7n qu\u1ea3n tr\u1ecb modem.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Trong b\u00e0i vi\u1ebft n\u00e0y, b\u1ea1n s\u1ebd bi\u1ebft c\u00e1ch \u0111\u1ed5i pass WiFi Viettel, \u0111\u1ed5i t\u00ean WiFi, c\u1eadp nh\u1eadt m\u1eadt kh\u1ea9u tr\u00ean modem Viettel, x\u1eed l\u00fd t\u00ecnh hu\u1ed1ng qu\u00ean m\u1eadt kh\u1ea9u v\u00e0 kh\u1eafc ph\u1ee5c c\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p sau khi thay \u0111\u1ed5i. H\u01b0\u1edbng d\u1eabn \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y theo c\u00e1ch t\u1ed5ng qu\u00e1t \u0111\u1ec3 \u00e1p d\u1ee5ng cho nhi\u1ec1u thi\u1ebft b\u1ecb nh\u01b0 modem ONT, Home WiFi, modem WiFi 6 v\u00e0 m\u1ed9t s\u1ed1 d\u00f2ng ZTE, Huawei, Alcatel-Lucent ho\u1eb7c thi\u1ebft b\u1ecb ph\u00e1t ph\u1ee5.<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Mu\u0323c Lu\u0323c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/viettelvtt.com\/doi-mat-khau-wifi-viettel\/#Vi_sao_nen_doi_mat_khau_WiFi_Viettel_dinh_ky\" >V\u00ec sao n\u00ean \u0111\u1ed5i m\u1eadt kh\u1ea9u WiFi Viettel \u0111\u1ecbnh k\u1ef3?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/viettelvtt.com\/doi-mat-khau-wifi-viettel\/#Chuan_bi_truoc_khi_doi_pass_WiFi_Viettel\" >Chu\u1ea9n b\u1ecb tr\u01b0\u1edbc khi \u0111\u1ed5i pass WiFi Viettel<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/viettelvtt.com\/doi-mat-khau-wifi-viettel\/#Cach_doi_mat_khau_WiFi_Viettel_bang_My_Viettel\" >C\u00e1ch \u0111\u1ed5i m\u1eadt kh\u1ea9u WiFi Viettel b\u1eb1ng My Viettel<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/viettelvtt.com\/doi-mat-khau-wifi-viettel\/#Cach_doi_mat_khau_modem_Viettel_tren_trinh_duyet\" >C\u00e1ch \u0111\u1ed5i m\u1eadt kh\u1ea9u modem Viettel tr\u00ean tr\u00ecnh duy\u1ec7t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/viettelvtt.com\/doi-mat-khau-wifi-viettel\/#Cach_doi_ten_WiFi_Viettel_va_toi_uu_cai_dat\" >C\u00e1ch \u0111\u1ed5i t\u00ean WiFi Viettel v\u00e0 t\u1ed1i \u01b0u c\u00e0i \u0111\u1eb7t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/viettelvtt.com\/doi-mat-khau-wifi-viettel\/#Quen_mat_khau_WiFi_hoac_mat_khau_modem_phai_lam_sao\" >Qu\u00ean m\u1eadt kh\u1ea9u WiFi ho\u1eb7c m\u1eadt kh\u1ea9u modem ph\u1ea3i l\u00e0m sao?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/viettelvtt.com\/doi-mat-khau-wifi-viettel\/#Loi_thuong_gap_sau_khi_doi_password_WiFi\" >L\u1ed7i th\u01b0\u1eddng g\u1eb7p sau khi \u0111\u1ed5i password WiFi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/viettelvtt.com\/doi-mat-khau-wifi-viettel\/#Meo_dat_mat_khau_WiFi_Viettel_an_toan_va_de_nho\" >M\u1eb9o \u0111\u1eb7t m\u1eadt kh\u1ea9u WiFi Viettel an to\u00e0n v\u00e0 d\u1ec5 nh\u1edb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/viettelvtt.com\/doi-mat-khau-wifi-viettel\/#Cau_hoi_thuong_gap_ve_doi_mat_khau_WiFi_Viettel\" >C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 \u0111\u1ed5i m\u1eadt kh\u1ea9u WiFi Viettel<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/viettelvtt.com\/doi-mat-khau-wifi-viettel\/#Ket_luan\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Vi_sao_nen_doi_mat_khau_WiFi_Viettel_dinh_ky\"><\/span><span style=\"color: #ed1c24;\"><strong><span style=\"font-family: 'times new roman', times, serif;\">V\u00ec sao n\u00ean \u0111\u1ed5i m\u1eadt kh\u1ea9u WiFi Viettel \u0111\u1ecbnh k\u1ef3?<\/span><\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_1850\" aria-describedby=\"caption-attachment-1850\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1850 size-full\" title=\"gi\u1ea3i th\u00edch v\u00ec sao n\u00ean \u0111\u1ed5i m\u1eadt kh\u1ea9u WiFi Viettel \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 ng\u0103n truy c\u1eadp l\u1ea1, b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u, ki\u1ec3m so\u00e1t thi\u1ebft b\u1ecb v\u00e0 duy tr\u00ec m\u1ea1ng \u1ed5n \u0111\u1ecbnh.\" src=\"http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-1.jpg\" alt=\"gi\u1ea3i th\u00edch v\u00ec sao n\u00ean \u0111\u1ed5i m\u1eadt kh\u1ea9u WiFi Viettel \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 ng\u0103n truy c\u1eadp l\u1ea1, b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u, ki\u1ec3m so\u00e1t thi\u1ebft b\u1ecb v\u00e0 duy tr\u00ec m\u1ea1ng \u1ed5n \u0111\u1ecbnh.\" width=\"800\" height=\"600\" srcset=\"http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-1.jpg 800w, http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-1-533x400.jpg 533w, http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-1-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-1850\" class=\"wp-caption-text\">gi\u1ea3i th\u00edch v\u00ec sao n\u00ean \u0111\u1ed5i m\u1eadt kh\u1ea9u WiFi Viettel \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 ng\u0103n truy c\u1eadp l\u1ea1, b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u, ki\u1ec3m so\u00e1t thi\u1ebft b\u1ecb v\u00e0 duy tr\u00ec m\u1ea1ng \u1ed5n \u0111\u1ecbnh.<\/figcaption><\/figure>\n<p><span style=\"font-family: 'times new roman', times, serif;\">M\u1eadt kh\u1ea9u WiFi l\u00e0 l\u1edbp b\u1ea3o v\u1ec7 \u0111\u1ea7u ti\u00ean c\u1ee7a m\u1ea1ng Internet gia \u0111\u00ecnh. N\u1ebfu m\u1eadt kh\u1ea9u qu\u00e1 d\u1ec5 \u0111o\u00e1n, \u0111\u00e3 \u0111\u01b0\u1ee3c chia s\u1ebb cho nhi\u1ec1u ng\u01b0\u1eddi ho\u1eb7c b\u1ecb l\u1ed9 trong th\u1eddi gian d\u00e0i, m\u1ea1ng c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n nhi\u1ec1u thi\u1ebft b\u1ecb l\u1ea1 truy c\u1eadp c\u00f9ng l\u00fac. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 l\u00e0m gi\u1ea3m t\u1ed1c \u0111\u1ed9 m\u00e0 c\u00f2n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn quy\u1ec1n ri\u00eang t\u01b0 v\u00e0 an to\u00e0n c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb trong nh\u00e0.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">\u0110\u1ed5i m\u1eadt kh\u1ea9u wifi Viettel \u0111\u1ecbnh k\u1ef3 gi\u00fap b\u1ea1n ch\u1ee7 \u0111\u1ed9ng ki\u1ec3m so\u00e1t nh\u1eefng ai \u0111ang s\u1eed d\u1ee5ng m\u1ea1ng. Khi thay \u0111\u1ed5i m\u1eadt kh\u1ea9u, to\u00e0n b\u1ed9 \u0111i\u1ec7n tho\u1ea1i, m\u00e1y t\u00ednh, camera, tivi th\u00f4ng minh v\u00e0 thi\u1ebft b\u1ecb IoT \u0111\u00e3 k\u1ebft n\u1ed1i tr\u01b0\u1edbc \u0111\u00f3 s\u1ebd b\u1ecb ng\u1eaft. Ch\u1ec9 nh\u1eefng thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c nh\u1eadp m\u1eadt kh\u1ea9u m\u1edbi m\u1edbi c\u00f3 th\u1ec3 truy c\u1eadp l\u1ea1i.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">B\u1ea1n n\u00ean \u0111\u1ed5i password WiFi trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p sau:<\/span><\/p>\n<ul>\n<li aria-level=\"1\"><span style=\"font-family: 'times new roman', times, serif;\">Nghi ng\u1edd c\u00f3 ng\u01b0\u1eddi l\u1ea1 s\u1eed d\u1ee5ng m\u1ea1ng.<\/span><\/li>\n<li aria-level=\"1\"><span style=\"font-family: 'times new roman', times, serif;\">WiFi Viettel ch\u1eadm h\u01a1n b\u00ecnh th\u01b0\u1eddng d\u00f9 g\u00f3i c\u01b0\u1edbc v\u00e0 \u0111\u01b0\u1eddng truy\u1ec1n kh\u00f4ng thay \u0111\u1ed5i.<\/span><\/li>\n<li aria-level=\"1\"><span style=\"font-family: 'times new roman', times, serif;\">B\u1ea1n v\u1eeba chuy\u1ec3n nh\u00e0, \u0111\u1ed5i ng\u01b0\u1eddi thu\u00ea ho\u1eb7c b\u00e0n giao l\u1ea1i ph\u00f2ng.<\/span><\/li>\n<li aria-level=\"1\"><span style=\"font-family: 'times new roman', times, serif;\">M\u1eadt kh\u1ea9u \u0111ang d\u00f9ng l\u00e0 s\u1ed1 \u0111i\u1ec7n tho\u1ea1i, ng\u00e0y sinh ho\u1eb7c chu\u1ed7i qu\u00e1 \u0111\u01a1n gi\u1ea3n.<\/span><\/li>\n<li aria-level=\"1\"><span style=\"font-family: 'times new roman', times, serif;\">B\u1ea1n \u0111\u00e3 chia s\u1ebb m\u1eadt kh\u1ea9u cho qu\u00e1 nhi\u1ec1u kh\u00e1ch ho\u1eb7c ng\u01b0\u1eddi b\u00ean ngo\u00e0i.<\/span><\/li>\n<li aria-level=\"1\"><span style=\"font-family: 'times new roman', times, serif;\">Mu\u1ed1n t\u00e1ch WiFi gia \u0111\u00ecnh v\u00e0 WiFi d\u00e0nh cho kh\u00e1ch.<\/span><\/li>\n<li aria-level=\"1\"><span style=\"font-family: 'times new roman', times, serif;\">V\u1eeba l\u1eafp modem m\u1edbi ho\u1eb7c thay thi\u1ebft b\u1ecb ONT.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Vi\u1ec7c \u0111\u1ed5i m\u1eadt kh\u1ea9u kh\u00f4ng l\u00e0m t\u0103ng b\u0103ng th\u00f4ng g\u00f3i c\u01b0\u1edbc. Tuy nhi\u00ean, n\u1ebfu nguy\u00ean nh\u00e2n khi\u1ebfn m\u1ea1ng ch\u1eadm l\u00e0 c\u00f3 qu\u00e1 nhi\u1ec1u thi\u1ebft b\u1ecb truy c\u1eadp tr\u00e1i ph\u00e9p, thao t\u00e1c n\u00e0y c\u00f3 th\u1ec3 gi\u00fap WiFi ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh h\u01a1n sau khi c\u00e1c thi\u1ebft b\u1ecb l\u1ea1 b\u1ecb lo\u1ea1i kh\u1ecfi m\u1ea1ng.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Ngo\u00e0i ra, khi \u0111\u1ed5i m\u1eadt kh\u1ea9u, b\u1ea1n c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p \u0111\u1ed5i t\u00ean WiFi Viettel \u0111\u1ec3 d\u1ec5 nh\u1eadn di\u1ec7n m\u1ea1ng ch\u00ednh, m\u1ea1ng kh\u00e1ch, b\u0103ng t\u1ea7n 2,4 GHz v\u00e0 5 GHz.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Chuan_bi_truoc_khi_doi_pass_WiFi_Viettel\"><\/span><span style=\"color: #ed1c24;\"><strong><span style=\"font-family: 'times new roman', times, serif;\">Chu\u1ea9n b\u1ecb tr\u01b0\u1edbc khi \u0111\u1ed5i pass WiFi Viettel<\/span><\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_1851\" aria-describedby=\"caption-attachment-1851\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1851 size-full\" title=\"h\u01b0\u1edbng d\u1eabn chu\u1ea9n b\u1ecb tr\u01b0\u1edbc khi \u0111\u1ed5i pass WiFi Viettel g\u1ed3m k\u1ebft n\u1ed1i \u0111\u00fang m\u1ea1ng, \u0111\u0103ng nh\u1eadp My Viettel, ki\u1ec3m tra th\u00f4ng tin modem v\u00e0 chu\u1ea9n b\u1ecb m\u1eadt kh\u1ea9u m\u1edbi.\" src=\"http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-2.jpg\" alt=\"h\u01b0\u1edbng d\u1eabn chu\u1ea9n b\u1ecb tr\u01b0\u1edbc khi \u0111\u1ed5i pass WiFi Viettel g\u1ed3m k\u1ebft n\u1ed1i \u0111\u00fang m\u1ea1ng, \u0111\u0103ng nh\u1eadp My Viettel, ki\u1ec3m tra th\u00f4ng tin modem v\u00e0 chu\u1ea9n b\u1ecb m\u1eadt kh\u1ea9u m\u1edbi.\" width=\"800\" height=\"600\" srcset=\"http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-2.jpg 800w, http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-2-533x400.jpg 533w, http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-2-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-1851\" class=\"wp-caption-text\">h\u01b0\u1edbng d\u1eabn chu\u1ea9n b\u1ecb tr\u01b0\u1edbc khi \u0111\u1ed5i pass WiFi Viettel g\u1ed3m k\u1ebft n\u1ed1i \u0111\u00fang m\u1ea1ng, \u0111\u0103ng nh\u1eadp My Viettel, ki\u1ec3m tra th\u00f4ng tin modem v\u00e0 chu\u1ea9n b\u1ecb m\u1eadt kh\u1ea9u m\u1edbi.<\/figcaption><\/figure>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n, h\u00e3y x\u00e1c \u0111\u1ecbnh b\u1ea1n mu\u1ed1n \u0111\u1ed5i m\u1eadt kh\u1ea9u WiFi hay m\u1eadt kh\u1ea9u qu\u1ea3n tr\u1ecb modem. \u0110\u00e2y l\u00e0 hai lo\u1ea1i th\u00f4ng tin kh\u00e1c nhau.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">M\u1eadt kh\u1ea9u WiFi \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 k\u1ebft n\u1ed1i \u0111i\u1ec7n tho\u1ea1i, m\u00e1y t\u00ednh, tivi v\u00e0 c\u00e1c thi\u1ebft b\u1ecb kh\u00f4ng d\u00e2y. Trong khi \u0111\u00f3, m\u1eadt kh\u1ea9u qu\u1ea3n tr\u1ecb modem d\u00f9ng \u0111\u1ec3 \u0111\u0103ng nh\u1eadp v\u00e0o \u0111\u1ecba ch\u1ec9 qu\u1ea3n l\u00fd nh\u01b0 192.168.1.1. Kh\u00f4ng n\u00ean d\u00f9ng c\u00f9ng m\u1ed9t m\u1eadt kh\u1ea9u cho c\u1ea3 hai m\u1ee5c \u0111\u00edch.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">B\u1ea1n n\u00ean chu\u1ea9n b\u1ecb:<\/span><\/p>\n<ol>\n<li aria-level=\"1\"><span style=\"font-family: 'times new roman', times, serif;\">M\u1ed9t \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c m\u00e1y t\u00ednh \u0111ang k\u1ebft n\u1ed1i v\u1edbi WiFi Viettel c\u1ea7n thay \u0111\u1ed5i. N\u1ebfu c\u00f3 th\u1ec3, h\u00e3y d\u00f9ng m\u00e1y t\u00ednh k\u1ebft n\u1ed1i b\u1eb1ng d\u00e2y LAN \u0111\u1ec3 tr\u00e1nh m\u1ea5t k\u1ebft n\u1ed1i trong l\u00fac l\u01b0u c\u1ea5u h\u00ecnh.<\/span><\/li>\n<li aria-level=\"1\"><span style=\"font-family: 'times new roman', times, serif;\">T\u00ean WiFi hi\u1ec7n t\u1ea1i v\u00e0 m\u1eadt kh\u1ea9u c\u0169, n\u1ebfu b\u1ea1n v\u1eabn c\u00f2n nh\u1edb.<\/span><\/li>\n<li aria-level=\"1\"><span style=\"font-family: 'times new roman', times, serif;\">S\u1ed1 \u0111i\u1ec7n tho\u1ea1i \u0111\u00e3 \u0111\u0103ng k\u00fd d\u1ecbch v\u1ee5 Internet n\u1ebfu s\u1eed d\u1ee5ng \u1ee9ng d\u1ee5ng My Viettel.<\/span><\/li>\n<li aria-level=\"1\"><span style=\"font-family: 'times new roman', times, serif;\">Th\u00f4ng tin \u0111\u0103ng nh\u1eadp qu\u1ea3n tr\u1ecb modem trong tr\u01b0\u1eddng h\u1ee3p thao t\u00e1c b\u1eb1ng tr\u00ecnh duy\u1ec7t.<\/span><\/li>\n<li aria-level=\"1\"><span style=\"font-family: 'times new roman', times, serif;\">M\u1eadt kh\u1ea9u m\u1edbi c\u00f3 t\u1ed1i thi\u1ec3u 8 k\u00fd t\u1ef1. N\u00ean s\u1eed d\u1ee5ng t\u1eeb 12 k\u00fd t\u1ef1 tr\u1edf l\u00ean, k\u1ebft h\u1ee3p ch\u1eef hoa, ch\u1eef th\u01b0\u1eddng, s\u1ed1 v\u00e0 k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Kh\u00f4ng n\u00ean \u0111\u1eb7t m\u1eadt kh\u1ea9u theo t\u00ean gia \u0111\u00ecnh, s\u1ed1 nh\u00e0, bi\u1ec3n s\u1ed1 xe, ng\u00e0y sinh ho\u1eb7c s\u1ed1 \u0111i\u1ec7n tho\u1ea1i. V\u00ed d\u1ee5 nh\u01b0 viettel123, wifi123456 hay 090xxxxxxx \u0111\u1ec1u r\u1ea5t d\u1ec5 b\u1ecb \u0111o\u00e1n. B\u1ea1n c\u0169ng kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng d\u1ea5u ti\u1ebfng Vi\u1ec7t v\u00ec m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb c\u0169 c\u00f3 th\u1ec3 g\u1eb7p l\u1ed7i khi x\u00e1c th\u1ef1c.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">N\u1ebfu \u0111ang s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng Mesh WiFi Viettel, h\u00e3y ki\u1ec3m tra xem c\u00e1c node \u0111ang \u0111\u1ed3ng b\u1ed9 v\u1edbi modem ch\u00ednh hay kh\u00f4ng. V\u1edbi m\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng, thay \u0111\u1ed5i tr\u00ean modem ch\u00ednh s\u1ebd t\u1ef1 \u0111\u1ed9ng c\u1eadp nh\u1eadt cho c\u00e1c thi\u1ebft b\u1ecb Mesh. N\u1ebfu thi\u1ebft b\u1ecb ph\u1ee5 kh\u00f4ng \u0111\u1ed3ng b\u1ed9, b\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n kh\u1edfi \u0111\u1ed9ng l\u1ea1i node ho\u1eb7c c\u1ea5u h\u00ecnh l\u1ea1i theo \u1ee9ng d\u1ee5ng qu\u1ea3n l\u00fd.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cach_doi_mat_khau_WiFi_Viettel_bang_My_Viettel\"><\/span><span style=\"color: #ed1c24;\"><strong><span style=\"font-family: 'times new roman', times, serif;\">C\u00e1ch \u0111\u1ed5i m\u1eadt kh\u1ea9u WiFi Viettel b\u1eb1ng My Viettel<\/span><\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_1852\" aria-describedby=\"caption-attachment-1852\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1852 size-full\" title=\"h\u01b0\u1edbng d\u1eabn \u0111\u1ed5i m\u1eadt kh\u1ea9u WiFi Viettel b\u1eb1ng My Viettel qua c\u00e1c b\u01b0\u1edbc m\u1edf \u1ee9ng d\u1ee5ng, ch\u1ecdn Internet, qu\u1ea3n l\u00fd modem WiFi v\u00e0 nh\u1eadp m\u1eadt kh\u1ea9u m\u1edbi.\" src=\"http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-3.jpg\" alt=\"h\u01b0\u1edbng d\u1eabn \u0111\u1ed5i m\u1eadt kh\u1ea9u WiFi Viettel b\u1eb1ng My Viettel qua c\u00e1c b\u01b0\u1edbc m\u1edf \u1ee9ng d\u1ee5ng, ch\u1ecdn Internet, qu\u1ea3n l\u00fd modem WiFi v\u00e0 nh\u1eadp m\u1eadt kh\u1ea9u m\u1edbi.\" width=\"800\" height=\"600\" srcset=\"http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-3.jpg 800w, http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-3-533x400.jpg 533w, http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-3-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-1852\" class=\"wp-caption-text\">h\u01b0\u1edbng d\u1eabn \u0111\u1ed5i m\u1eadt kh\u1ea9u WiFi Viettel b\u1eb1ng My Viettel qua c\u00e1c b\u01b0\u1edbc m\u1edf \u1ee9ng d\u1ee5ng, ch\u1ecdn Internet, qu\u1ea3n l\u00fd modem WiFi v\u00e0 nh\u1eadp m\u1eadt kh\u1ea9u m\u1edbi.<\/figcaption><\/figure>\n<p><span style=\"font-family: 'times new roman', times, serif;\">\u0110\u00e2y l\u00e0 c\u00e1ch thu\u1eadn ti\u1ec7n nh\u1ea5t n\u1ebfu t\u00e0i kho\u1ea3n Internet c\u1ee7a b\u1ea1n \u0111\u00e3 \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi \u1ee9ng d\u1ee5ng My Viettel. Viettel h\u01b0\u1edbng d\u1eabn ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp nh\u00f3m d\u1ecbch v\u1ee5 Internet, ch\u1ecdn modem v\u00e0 th\u1ef1c hi\u1ec7n \u0111\u1ed5i m\u1eadt kh\u1ea9u tr\u1ef1c ti\u1ebfp trong \u1ee9ng d\u1ee5ng. Giao di\u1ec7n c\u00f3 th\u1ec3 thay \u0111\u1ed5i nh\u1eb9 t\u00f9y phi\u00ean b\u1ea3n My Viettel v\u00e0 lo\u1ea1i thi\u1ebft b\u1ecb \u0111ang s\u1eed d\u1ee5ng.<\/span><\/p>\n<h3><strong><span style=\"font-family: 'times new roman', times, serif;\">C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n<\/span><\/strong><\/h3>\n<p><span style=\"font-family: 'times new roman', times, serif;\">B\u01b0\u1edbc 1: M\u1edf \u1ee9ng d\u1ee5ng My Viettel<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">C\u00e0i \u0111\u1eb7t ho\u1eb7c c\u1eadp nh\u1eadt My Viettel t\u1eeb kho \u1ee9ng d\u1ee5ng ch\u00ednh th\u1ee9c tr\u00ean \u0111i\u1ec7n tho\u1ea1i. \u0110\u0103ng nh\u1eadp b\u1eb1ng s\u1ed1 \u0111i\u1ec7n tho\u1ea1i \u0111\u00e3 \u0111\u0103ng k\u00fd d\u1ecbch v\u1ee5 Internet Viettel. N\u1ebfu b\u1ea1n c\u00f3 nhi\u1ec1u h\u1ee3p \u0111\u1ed3ng, h\u00e3y ch\u1ecdn \u0111\u00fang t\u00e0i kho\u1ea3n \u0111ang qu\u1ea3n l\u00fd \u0111\u01b0\u1eddng truy\u1ec1n c\u1ea7n thay \u0111\u1ed5i.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">B\u01b0\u1edbc 2: Ch\u1ecdn d\u1ecbch v\u1ee5 Internet<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">T\u1ea1i m\u00e0n h\u00ecnh ch\u00ednh, truy c\u1eadp m\u1ee5c Internet, Internet\/TV ho\u1eb7c nh\u00f3m d\u1ecbch v\u1ee5 t\u01b0\u01a1ng t\u1ef1. T\u00ean menu c\u00f3 th\u1ec3 kh\u00e1c nhau t\u00f9y phi\u00ean b\u1ea3n \u1ee9ng d\u1ee5ng.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">B\u01b0\u1edbc 3: M\u1edf ph\u1ea7n qu\u1ea3n l\u00fd modem WiFi<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Ch\u1ecdn h\u1ee3p \u0111\u1ed3ng Internet ho\u1eb7c t\u00ean modem \u0111ang s\u1eed d\u1ee5ng. Ti\u1ebfp t\u1ee5c t\u00ecm m\u1ee5c Qu\u1ea3n l\u00fd modem WiFi, Qu\u1ea3n l\u00fd WiFi ho\u1eb7c Thi\u1ebft b\u1ecb WiFi gia \u0111\u00ecnh.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">B\u01b0\u1edbc 4: Ch\u1ecdn \u0111\u1ed5i m\u1eadt kh\u1ea9u<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Nh\u1ea5n v\u00e0o t\u00f9y ch\u1ecdn \u0110\u1ed5i m\u1eadt kh\u1ea9u WiFi. N\u1ebfu h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd c\u1ea3 t\u00ean m\u1ea1ng, b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y th\u00eam m\u1ee5c \u0110\u1ed5i t\u00ean WiFi.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">B\u01b0\u1edbc 5: Nh\u1eadp m\u1eadt kh\u1ea9u m\u1edbi<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Nh\u1eadp m\u1eadt kh\u1ea9u m\u1edbi v\u00e0o \u00f4 t\u01b0\u01a1ng \u1ee9ng. M\u1ed9t s\u1ed1 phi\u00ean b\u1ea3n y\u00eau c\u1ea7u nh\u1eadp l\u1ea1i l\u1ea7n th\u1ee9 hai \u0111\u1ec3 x\u00e1c nh\u1eadn. H\u00e3y ki\u1ec3m tra k\u1ef9 ch\u1eef hoa, ch\u1eef th\u01b0\u1eddng, s\u1ed1 v\u00e0 k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t tr\u01b0\u1edbc khi l\u01b0u.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">B\u01b0\u1edbc 6: X\u00e1c nh\u1eadn thay \u0111\u1ed5i<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Nh\u1ea5n L\u01b0u, X\u00e1c nh\u1eadn ho\u1eb7c Ho\u00e0n t\u1ea5t. Modem c\u00f3 th\u1ec3 m\u1ea5t k\u1ebft n\u1ed1i trong th\u1eddi gian ng\u1eafn \u0111\u1ec3 \u00e1p d\u1ee5ng c\u1ea5u h\u00ecnh m\u1edbi. \u0110\u00e2y l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng b\u00ecnh th\u01b0\u1eddng.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">B\u01b0\u1edbc 7: K\u1ebft n\u1ed1i l\u1ea1i thi\u1ebft b\u1ecb<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">M\u1edf ph\u1ea7n c\u00e0i \u0111\u1eb7t WiFi tr\u00ean \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c m\u00e1y t\u00ednh, ch\u1ecdn t\u00ean m\u1ea1ng v\u00e0 nh\u1eadp m\u1eadt kh\u1ea9u m\u1edbi. C\u00e1c thi\u1ebft b\u1ecb kh\u00e1c trong nh\u00e0 c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt l\u1ea1i m\u1eadt kh\u1ea9u.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">N\u1ebfu kh\u00f4ng th\u1ea5y t\u00ednh n\u0103ng \u0111\u1ed5i m\u1eadt kh\u1ea9u tr\u00ean My Viettel, h\u00e3y ki\u1ec3m tra ba y\u1ebfu t\u1ed1: \u1ee9ng d\u1ee5ng \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt ch\u01b0a, b\u1ea1n c\u00f3 \u0111\u0103ng nh\u1eadp \u0111\u00fang s\u1ed1 \u0111i\u1ec7n tho\u1ea1i trong h\u1ee3p \u0111\u1ed3ng kh\u00f4ng v\u00e0 modem c\u00f3 \u0111ang tr\u1ef1c tuy\u1ebfn kh\u00f4ng. Trong tr\u01b0\u1eddng h\u1ee3p v\u1eabn kh\u00f4ng thao t\u00e1c \u0111\u01b0\u1ee3c, h\u00e3y chuy\u1ec3n sang c\u00e1ch \u0111\u0103ng nh\u1eadp modem b\u1eb1ng tr\u00ecnh duy\u1ec7t ho\u1eb7c li\u00ean h\u1ec7 Viettel \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cach_doi_mat_khau_modem_Viettel_tren_trinh_duyet\"><\/span><span style=\"color: #ed1c24;\"><strong><span style=\"font-family: 'times new roman', times, serif;\">C\u00e1ch \u0111\u1ed5i m\u1eadt kh\u1ea9u modem Viettel tr\u00ean tr\u00ecnh duy\u1ec7t<\/span><\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_1853\" aria-describedby=\"caption-attachment-1853\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1853 size-full\" title=\"h\u01b0\u1edbng d\u1eabn \u0111\u1ed5i m\u1eadt kh\u1ea9u modem Viettel tr\u00ean tr\u00ecnh duy\u1ec7t b\u1eb1ng c\u00e1ch k\u1ebft n\u1ed1i modem, truy c\u1eadp 192.168.1.1, \u0111\u0103ng nh\u1eadp qu\u1ea3n tr\u1ecb v\u00e0 \u0111\u1ed5i m\u1eadt kh\u1ea9u WLAN.\" src=\"http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-4.jpg\" alt=\"h\u01b0\u1edbng d\u1eabn \u0111\u1ed5i m\u1eadt kh\u1ea9u modem Viettel tr\u00ean tr\u00ecnh duy\u1ec7t b\u1eb1ng c\u00e1ch k\u1ebft n\u1ed1i modem, truy c\u1eadp 192.168.1.1, \u0111\u0103ng nh\u1eadp qu\u1ea3n tr\u1ecb v\u00e0 \u0111\u1ed5i m\u1eadt kh\u1ea9u WLAN.\" width=\"800\" height=\"600\" srcset=\"http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-4.jpg 800w, http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-4-533x400.jpg 533w, http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-4-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-1853\" class=\"wp-caption-text\">h\u01b0\u1edbng d\u1eabn \u0111\u1ed5i m\u1eadt kh\u1ea9u modem Viettel tr\u00ean tr\u00ecnh duy\u1ec7t b\u1eb1ng c\u00e1ch k\u1ebft n\u1ed1i modem, truy c\u1eadp 192.168.1.1, \u0111\u0103ng nh\u1eadp qu\u1ea3n tr\u1ecb v\u00e0 \u0111\u1ed5i m\u1eadt kh\u1ea9u WLAN.<\/figcaption><\/figure>\n<p><span style=\"font-family: 'times new roman', times, serif;\">\u0110\u1ed5i m\u1eadt kh\u1ea9u modem Viettel b\u1eb1ng tr\u00ecnh duy\u1ec7t ph\u00f9 h\u1ee3p khi b\u1ea1n kh\u00f4ng mu\u1ed1n c\u00e0i \u1ee9ng d\u1ee5ng, kh\u00f4ng truy c\u1eadp \u0111\u01b0\u1ee3c My Viettel ho\u1eb7c c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh th\u00eam c\u00e1c th\u00f4ng s\u1ed1 WiFi. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u01b0\u1eddng \u00e1p d\u1ee5ng cho modem ONT v\u00e0 c\u00e1c thi\u1ebft b\u1ecb ph\u00e1t WiFi Viettel c\u00f3 giao di\u1ec7n qu\u1ea3n tr\u1ecb ri\u00eang.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Viettel th\u01b0\u1eddng h\u01b0\u1edbng d\u1eabn ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp \u0111\u1ecba ch\u1ec9 qu\u1ea3n tr\u1ecb modem, ph\u1ed5 bi\u1ebfn l\u00e0 192.168.1.1. M\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ecba ch\u1ec9 kh\u00e1c, v\u00ec v\u1eady b\u1ea1n n\u00ean ki\u1ec3m tra tem d\u00e1n d\u01b0\u1edbi \u0111\u00e1y modem ho\u1eb7c t\u00e0i li\u1ec7u b\u00e0n giao. H\u01b0\u1edbng d\u1eabn \u0111\u0103ng nh\u1eadp modem WiFi Viettel.<\/span><\/p>\n<h3><span style=\"color: #282828;\"><strong><span style=\"font-family: 'times new roman', times, serif;\">Quy tr\u00ecnh \u0111\u1ed5i m\u1eadt kh\u1ea9u<\/span><\/strong><\/span><\/h3>\n<p><span style=\"font-family: 'times new roman', times, serif;\">B\u01b0\u1edbc 1: K\u1ebft n\u1ed1i v\u1edbi modem<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">K\u1ebft n\u1ed1i \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c m\u00e1y t\u00ednh v\u1edbi WiFi Viettel hi\u1ec7n t\u1ea1i. N\u1ebfu c\u00f3 d\u00e2y m\u1ea1ng, h\u00e3y c\u1eafm m\u00e1y t\u00ednh v\u00e0o c\u1ed5ng LAN c\u1ee7a modem \u0111\u1ec3 h\u1ea1n ch\u1ebf t\u00ecnh tr\u1ea1ng m\u1ea5t k\u1ebft n\u1ed1i khi l\u01b0u thay \u0111\u1ed5i.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">B\u01b0\u1edbc 2: M\u1edf tr\u00ecnh duy\u1ec7t<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">M\u1edf Chrome, Safari, Edge ho\u1eb7c Firefox. Nh\u1eadp 192.168.1.1 v\u00e0o thanh \u0111\u1ecba ch\u1ec9, kh\u00f4ng nh\u1eadp v\u00e0o \u00f4 t\u00ecm ki\u1ebfm. N\u1ebfu kh\u00f4ng m\u1edf \u0111\u01b0\u1ee3c, th\u1eed \u0111\u1ecba ch\u1ec9 \u0111\u01b0\u1ee3c in tr\u00ean tem modem ho\u1eb7c th\u1eed 192.168.0.1 trong tr\u01b0\u1eddng h\u1ee3p thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng d\u1ea3i m\u1ea1ng kh\u00e1c.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">B\u01b0\u1edbc 3: \u0110\u0103ng nh\u1eadp qu\u1ea3n tr\u1ecb<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Nh\u1eadp t\u00ean ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u1eadt kh\u1ea9u qu\u1ea3n tr\u1ecb. Th\u00f4ng tin n\u00e0y c\u00f3 th\u1ec3 n\u1eb1m \u1edf tem d\u01b0\u1edbi \u0111\u00e1y modem, phi\u1ebfu b\u00e0n giao thi\u1ebft b\u1ecb ho\u1eb7c t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt. Kh\u00f4ng n\u00ean t\u1ef1 \u0111o\u00e1n qu\u00e1 nhi\u1ec1u l\u1ea7n v\u00ec m\u1ed9t s\u1ed1 modem c\u00f3 th\u1ec3 t\u1ea1m kh\u00f3a \u0111\u0103ng nh\u1eadp sau nhi\u1ec1u l\u1ea7n nh\u1eadp sai.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">M\u1eadt kh\u1ea9u qu\u1ea3n tr\u1ecb modem kh\u00f4ng nh\u1ea5t thi\u1ebft tr\u00f9ng v\u1edbi m\u1eadt kh\u1ea9u WiFi. N\u1ebfu k\u1ef9 thu\u1eadt vi\u00ean \u0111\u00e3 thay \u0111\u1ed5i th\u00f4ng tin \u0111\u0103ng nh\u1eadp, b\u1ea1n c\u1ea7n s\u1eed d\u1ee5ng th\u00f4ng tin m\u1edbi \u0111\u01b0\u1ee3c b\u00e0n giao.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">B\u01b0\u1edbc 4: M\u1edf ph\u1ea7n c\u00e0i \u0111\u1eb7t WLAN ho\u1eb7c WiFi<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Sau khi \u0111\u0103ng nh\u1eadp, t\u00ecm c\u00e1c nh\u00f3m menu c\u00f3 t\u00ean WLAN, Wi-Fi, Wireless, Network ho\u1eb7c SSID. V\u1edbi m\u1ed9t s\u1ed1 modem, m\u1ee5c n\u00e0y n\u1eb1m trong Network Settings ho\u1eb7c Advanced Settings.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">B\u01b0\u1edbc 5: Ch\u1ecdn b\u0103ng t\u1ea7n c\u1ea7n thay \u0111\u1ed5i<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Modem c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb hai m\u1ea1ng ri\u00eang bi\u1ec7t: 2.4 GHz v\u00e0 5 GHz. N\u1ebfu hai b\u0103ng t\u1ea7n \u0111ang d\u00f9ng chung t\u00ean v\u00e0 m\u1eadt kh\u1ea9u nh\u1edd t\u00ednh n\u0103ng Band Steering, ch\u1ec9 c\u1ea7n thay \u0111\u1ed5i trong c\u1ea5u h\u00ecnh chung. N\u1ebfu hi\u1ec3n th\u1ecb ri\u00eang, b\u1ea1n n\u00ean c\u1eadp nh\u1eadt c\u1ea3 hai \u0111\u1ec3 tr\u00e1nh tr\u01b0\u1eddng h\u1ee3p m\u1ed9t m\u1ea1ng v\u1eabn s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u c\u0169.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">B\u01b0\u1edbc 6: Nh\u1eadp m\u1eadt kh\u1ea9u m\u1edbi<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">T\u00ecm \u00f4 Password, WPA Pre-shared Key, Pre-shared Key ho\u1eb7c WiFi Key. X\u00f3a m\u1eadt kh\u1ea9u c\u0169 v\u00e0 nh\u1eadp m\u1eadt kh\u1ea9u m\u1edbi. Ch\u1ecdn ch\u1ebf \u0111\u1ed9 b\u1ea3o m\u1eadt WPA2-PSK ho\u1eb7c WPA2\/WPA3 n\u1ebfu modem h\u1ed7 tr\u1ee3. H\u1ea1n ch\u1ebf s\u1eed d\u1ee5ng WEP v\u00ec \u0111\u00e2y l\u00e0 chu\u1ea9n b\u1ea3o m\u1eadt c\u0169.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">B\u01b0\u1edbc 7: L\u01b0u c\u1ea5u h\u00ecnh<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Nh\u1ea5n Apply, Save ho\u1eb7c Submit. Modem s\u1ebd kh\u1edfi \u0111\u1ed9ng l\u1ea1i WiFi trong v\u00e0i gi\u00e2y. Kh\u00f4ng r\u00fat ngu\u1ed3n ho\u1eb7c b\u1ea5m n\u00fat Reset trong l\u00fac thi\u1ebft b\u1ecb \u0111ang l\u01b0u c\u1ea5u h\u00ecnh.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">B\u01b0\u1edbc 8: K\u1ebft n\u1ed1i l\u1ea1i to\u00e0n b\u1ed9 thi\u1ebft b\u1ecb<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Sau khi WiFi ho\u1ea1t \u0111\u1ed9ng tr\u1edf l\u1ea1i, c\u00e1c thi\u1ebft b\u1ecb s\u1ebd hi\u1ec3n th\u1ecb tr\u1ea1ng th\u00e1i c\u1ea7n nh\u1eadp l\u1ea1i m\u1eadt kh\u1ea9u. H\u00e3y \u01b0u ti\u00ean c\u1eadp nh\u1eadt \u0111i\u1ec7n tho\u1ea1i, m\u00e1y t\u00ednh, camera, tivi, m\u00e1y in v\u00e0 c\u00e1c thi\u1ebft b\u1ecb nh\u00e0 th\u00f4ng minh.<\/span><\/p>\n<p><span style=\"color: #282828;\"><span style=\"font-family: 'times new roman', times, serif;\">L\u01b0u \u00fd v\u1edbi modem hai b\u0103ng t\u1ea7n<\/span><\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">N\u1ebfu \u0111\u1ed5i t\u00ean WiFi Viettel, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1eb7t t\u00ean d\u1ec5 ph\u00e2n bi\u1ec7t, ch\u1eb3ng h\u1ea1n Nha_AnhMinh_2G v\u00e0 Nha_AnhMinh_5G. B\u0103ng t\u1ea7n 2,4 GHz c\u00f3 v\u00f9ng ph\u1ee7 r\u1ed9ng h\u01a1n v\u00e0 xuy\u00ean t\u01b0\u1eddng t\u1ed1t h\u01a1n, ph\u00f9 h\u1ee3p v\u1edbi camera ho\u1eb7c thi\u1ebft b\u1ecb \u1edf xa. B\u0103ng t\u1ea7n 5 GHz th\u01b0\u1eddng cho t\u1ed1c \u0111\u1ed9 cao h\u01a1n \u1edf kho\u1ea3ng c\u00e1ch g\u1ea7n, th\u00edch h\u1ee3p cho \u0111i\u1ec7n tho\u1ea1i, laptop, tivi 4K v\u00e0 thi\u1ebft b\u1ecb WiFi 6.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Kh\u00f4ng n\u00ean \u0111\u1eb7t t\u00ean WiFi ch\u1ee9a \u0111\u1ecba ch\u1ec9 nh\u00e0, s\u1ed1 \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c th\u00f4ng tin c\u00e1 nh\u00e2n. N\u1ebfu mu\u1ed1n cung c\u1ea5p m\u1ea1ng cho kh\u00e1ch, h\u00e3y b\u1eadt Guest Network thay v\u00ec chia s\u1ebb m\u1eadt kh\u1ea9u m\u1ea1ng ch\u00ednh.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cach_doi_ten_WiFi_Viettel_va_toi_uu_cai_dat\"><\/span><span style=\"color: #ed1c24;\"><strong><span style=\"font-family: 'times new roman', times, serif;\">C\u00e1ch \u0111\u1ed5i t\u00ean WiFi Viettel v\u00e0 t\u1ed1i \u01b0u c\u00e0i \u0111\u1eb7t<\/span><\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_1854\" aria-describedby=\"caption-attachment-1854\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1854\" src=\"http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-5.jpg\" alt=\"h\u01b0\u1edbng d\u1eabn \u0111\u1ed5i t\u00ean WiFi Viettel v\u00e0 t\u1ed1i \u01b0u c\u00e0i \u0111\u1eb7t v\u1edbi SSID ri\u00eang, b\u0103ng t\u1ea7n 2.4 GHz v\u00e0 5 GHz, b\u1ea3o m\u1eadt WPA2\/WPA3 v\u00e0 m\u1ea1ng WiFi kh\u00e1ch.\" width=\"800\" height=\"600\" title=\"\" srcset=\"http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-5.jpg 800w, http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-5-533x400.jpg 533w, http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-5-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-1854\" class=\"wp-caption-text\">h\u01b0\u1edbng d\u1eabn \u0111\u1ed5i t\u00ean WiFi Viettel v\u00e0 t\u1ed1i \u01b0u c\u00e0i \u0111\u1eb7t v\u1edbi SSID ri\u00eang, b\u0103ng t\u1ea7n 2.4 GHz v\u00e0 5 GHz, b\u1ea3o m\u1eadt WPA2\/WPA3 v\u00e0 m\u1ea1ng WiFi kh\u00e1ch.<\/figcaption><\/figure>\n<p><span style=\"font-family: 'times new roman', times, serif;\">\u0110\u1ed5i t\u00ean WiFi gi\u00fap b\u1ea1n nh\u1eadn di\u1ec7n \u0111\u00fang m\u1ea1ng trong khu v\u1ef1c c\u00f3 nhi\u1ec1u thi\u1ebft b\u1ecb ph\u00e1t s\u00f3ng. \u0110\u00e2y c\u0169ng l\u00e0 c\u00e1ch h\u1ea1n ch\u1ebf k\u1ebft n\u1ed1i nh\u1ea7m v\u00e0o m\u1ea1ng c\u00f3 t\u00ean g\u1ea7n gi\u1ed1ng.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">T\u00ean WiFi n\u00ean ng\u1eafn, d\u1ec5 \u0111\u1ecdc v\u00e0 kh\u00f4ng ch\u1ee9a th\u00f4ng tin ri\u00eang t\u01b0. B\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng t\u00ean ri\u00eang cho m\u1ea1ng gia \u0111\u00ecnh v\u00e0 m\u1ed9t t\u00ean kh\u00e1c cho m\u1ea1ng kh\u00e1ch. N\u1ebfu nh\u00e0 c\u00f3 Mesh WiFi, n\u00ean gi\u1eef c\u1ea5u h\u00ecnh t\u00ean m\u1ea1ng th\u1ed1ng nh\u1ea5t \u0111\u1ec3 thi\u1ebft b\u1ecb t\u1ef1 chuy\u1ec3n v\u00f9ng gi\u1eefa c\u00e1c node thu\u1eadn ti\u1ec7n h\u01a1n.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Khi \u0111\u1ed5i t\u00ean ho\u1eb7c m\u1eadt kh\u1ea9u, n\u00ean ki\u1ec3m tra c\u00e1c c\u00e0i \u0111\u1eb7t sau:<\/span><\/p>\n<ul>\n<li aria-level=\"1\"><span style=\"font-family: 'times new roman', times, serif;\">Ch\u1ecdn WPA2-PSK ho\u1eb7c WPA2\/WPA3.<\/span><\/li>\n<li aria-level=\"1\"><span style=\"font-family: 'times new roman', times, serif;\">T\u1eaft WPS n\u1ebfu kh\u00f4ng s\u1eed d\u1ee5ng.<\/span><\/li>\n<li aria-level=\"1\"><span style=\"font-family: 'times new roman', times, serif;\">Kh\u00f4ng \u1ea9n SSID n\u1ebfu gia \u0111\u00ecnh c\u00f3 nhi\u1ec1u thi\u1ebft b\u1ecb c\u1ea7n k\u1ebft n\u1ed1i t\u1ef1 \u0111\u1ed9ng.<\/span><\/li>\n<li aria-level=\"1\"><span style=\"font-family: 'times new roman', times, serif;\">\u0110\u1eb7t k\u00eanh WiFi \u1edf ch\u1ebf \u0111\u1ed9 t\u1ef1 \u0111\u1ed9ng n\u1ebfu b\u1ea1n kh\u00f4ng c\u00f3 kinh nghi\u1ec7m t\u1ed1i \u01b0u th\u1ee7 c\u00f4ng.<\/span><\/li>\n<li aria-level=\"1\"><span style=\"font-family: 'times new roman', times, serif;\">Kh\u00f4ng thay \u0111\u1ed5i VLAN, PPPoE, DNS ho\u1eb7c c\u1ea5u h\u00ecnh WAN n\u1ebfu m\u1ee5c ti\u00eau ch\u1ec9 l\u00e0 \u0111\u1ed5i m\u1eadt kh\u1ea9u.<\/span><\/li>\n<li aria-level=\"1\"><span style=\"font-family: 'times new roman', times, serif;\">V\u1edbi WiFi 6, gi\u1eef ch\u1ebf \u0111\u1ed9 t\u01b0\u01a1ng th\u00edch n\u1ebfu trong nh\u00e0 v\u1eabn c\u00f3 \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c thi\u1ebft b\u1ecb \u0111\u1eddi c\u0169.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Vi\u1ec7c \u0111\u1ed5i m\u1eadt kh\u1ea9u WiFi kh\u00f4ng y\u00eau c\u1ea7u thay \u0111\u1ed5i t\u00ean m\u1ea1ng. N\u1ebfu ch\u1ec9 mu\u1ed1n lo\u1ea1i b\u1ecf thi\u1ebft b\u1ecb l\u1ea1, b\u1ea1n c\u00f3 th\u1ec3 gi\u1eef nguy\u00ean SSID v\u00e0 thay password. N\u1ebfu mu\u1ed1n thi\u1ebft l\u1eadp l\u1ea1i to\u00e0n b\u1ed9 thi\u1ebft b\u1ecb t\u1eeb \u0111\u1ea7u, \u0111\u1ed5i c\u1ea3 t\u00ean l\u1eabn m\u1eadt kh\u1ea9u s\u1ebd gi\u00fap ph\u00e2n bi\u1ec7t c\u1ea5u h\u00ecnh m\u1edbi v\u1edbi th\u00f4ng tin c\u0169.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Quen_mat_khau_WiFi_hoac_mat_khau_modem_phai_lam_sao\"><\/span><span style=\"color: #ed1c24;\"><strong><span style=\"font-family: 'times new roman', times, serif;\">Qu\u00ean m\u1eadt kh\u1ea9u WiFi ho\u1eb7c m\u1eadt kh\u1ea9u modem ph\u1ea3i l\u00e0m sao?<\/span><\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_1855\" aria-describedby=\"caption-attachment-1855\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1855 size-full\" title=\"h\u01b0\u1edbng d\u1eabn x\u1eed l\u00fd khi qu\u00ean m\u1eadt kh\u1ea9u WiFi ho\u1eb7c m\u1eadt kh\u1ea9u modem b\u1eb1ng c\u00e1ch ki\u1ec3m tra thi\u1ebft b\u1ecb \u0111\u00e3 k\u1ebft n\u1ed1i, xem tem modem, d\u00f9ng My Viettel v\u00e0 reset khi c\u1ea7n.\" src=\"http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-6.jpg\" alt=\"h\u01b0\u1edbng d\u1eabn x\u1eed l\u00fd khi qu\u00ean m\u1eadt kh\u1ea9u WiFi ho\u1eb7c m\u1eadt kh\u1ea9u modem b\u1eb1ng c\u00e1ch ki\u1ec3m tra thi\u1ebft b\u1ecb \u0111\u00e3 k\u1ebft n\u1ed1i, xem tem modem, d\u00f9ng My Viettel v\u00e0 reset khi c\u1ea7n.\" width=\"800\" height=\"600\" srcset=\"http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-6.jpg 800w, http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-6-533x400.jpg 533w, http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-6-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-1855\" class=\"wp-caption-text\">h\u01b0\u1edbng d\u1eabn x\u1eed l\u00fd khi qu\u00ean m\u1eadt kh\u1ea9u WiFi ho\u1eb7c m\u1eadt kh\u1ea9u modem b\u1eb1ng c\u00e1ch ki\u1ec3m tra thi\u1ebft b\u1ecb \u0111\u00e3 k\u1ebft n\u1ed1i, xem tem modem, d\u00f9ng My Viettel v\u00e0 reset khi c\u1ea7n.<\/figcaption><\/figure>\n<h3><strong><span style=\"font-family: 'times new roman', times, serif;\">Qu\u00ean m\u1eadt kh\u1ea9u WiFi nh\u01b0ng v\u1eabn c\u00f2n thi\u1ebft b\u1ecb \u0111ang k\u1ebft n\u1ed1i<\/span><\/strong><\/h3>\n<p><span style=\"font-family: 'times new roman', times, serif;\">N\u1ebfu m\u1ed9t \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c m\u00e1y t\u00ednh v\u1eabn \u0111ang truy c\u1eadp WiFi, b\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng thi\u1ebft b\u1ecb \u0111\u00f3 \u0111\u1ec3 m\u1edf My Viettel ho\u1eb7c \u0111\u0103ng nh\u1eadp modem. M\u1ed9t s\u1ed1 h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u00f2n cho ph\u00e9p xem ho\u1eb7c chia s\u1ebb m\u1eadt kh\u1ea9u m\u1ea1ng \u0111\u00e3 l\u01b0u b\u1eb1ng m\u00e3 QR.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 ki\u1ec3m tra tem d\u00e1n d\u01b0\u1edbi \u0111\u00e1y modem. Tuy nhi\u00ean, th\u00f4ng tin tr\u00ean tem ch\u1ec9 l\u00e0 m\u1eadt kh\u1ea9u m\u1eb7c \u0111\u1ecbnh; n\u1ebfu tr\u01b0\u1edbc \u0111\u00f3 \u0111\u00e3 \u0111\u1ed5i m\u1eadt kh\u1ea9u th\u00ec m\u1eadt kh\u1ea9u tr\u00ean tem kh\u00f4ng c\u00f2n ch\u00ednh x\u00e1c.<\/span><\/p>\n<h3><strong><span style=\"font-family: 'times new roman', times, serif;\">Qu\u00ean m\u1eadt kh\u1ea9u qu\u1ea3n tr\u1ecb modem<\/span><\/strong><\/h3>\n<p><span style=\"font-family: 'times new roman', times, serif;\">N\u1ebfu qu\u00ean t\u00e0i kho\u1ea3n qu\u1ea3n tr\u1ecb, h\u00e3y ki\u1ec3m tra tem thi\u1ebft b\u1ecb, phi\u1ebfu b\u00e0n giao ho\u1eb7c th\u00f4ng tin do k\u1ef9 thu\u1eadt vi\u00ean cung c\u1ea5p. Kh\u00f4ng n\u00ean nh\u1eadp th\u1eed qu\u00e1 nhi\u1ec1u t\u1ed5 h\u1ee3p ph\u1ed5 bi\u1ebfn v\u00ec modem c\u00f3 th\u1ec3 t\u1ea1m kh\u00f3a t\u00e0i kho\u1ea3n.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Trong tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng th\u1ec3 kh\u00f4i ph\u1ee5c, b\u1ea1n c\u00f3 th\u1ec3 li\u00ean h\u1ec7 t\u1ed5ng \u0111\u00e0i Viettel \u0111\u1ec3 x\u00e1c minh ch\u1ee7 h\u1ee3p \u0111\u1ed3ng v\u00e0 nh\u1edd h\u1ed7 tr\u1ee3. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn an to\u00e0n h\u01a1n so v\u1edbi t\u1ef1 thay \u0111\u1ed5i c\u00e1c th\u00f4ng s\u1ed1 m\u1ea1ng.<\/span><\/p>\n<h3><strong><span style=\"font-family: 'times new roman', times, serif;\">C\u00f3 c\u1ea7n reset modem kh\u00f4ng?<\/span><\/strong><\/h3>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Kh\u00f4ng c\u1ea7n reset n\u1ebfu b\u1ea1n ch\u1ec9 qu\u00ean m\u1eadt kh\u1ea9u WiFi nh\u01b0ng v\u1eabn truy c\u1eadp \u0111\u01b0\u1ee3c My Viettel ho\u1eb7c c\u00f2n m\u1ed9t thi\u1ebft b\u1ecb \u0111ang k\u1ebft n\u1ed1i. Reset ch\u1ec9 n\u00ean d\u00f9ng nh\u01b0 ph\u01b0\u01a1ng \u00e1n cu\u1ed1i c\u00f9ng khi kh\u00f4ng th\u1ec3 \u0111\u0103ng nh\u1eadp b\u1eb1ng b\u1ea5t k\u1ef3 c\u00e1ch n\u00e0o.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">N\u00fat Reset th\u01b0\u1eddng n\u1eb1m \u1edf m\u1eb7t sau ho\u1eb7c m\u1eb7t d\u01b0\u1edbi thi\u1ebft b\u1ecb. Nh\u1ea5n gi\u1eef b\u1eb1ng que nh\u1ecf trong kho\u1ea3ng th\u1eddi gian theo h\u01b0\u1edbng d\u1eabn c\u1ee7a t\u1eebng modem s\u1ebd \u0111\u01b0a thi\u1ebft b\u1ecb v\u1ec1 c\u1ea5u h\u00ecnh m\u1eb7c \u0111\u1ecbnh. Sau \u0111\u00f3, c\u00e1c thi\u1ebft l\u1eadp Internet, t\u00ean WiFi, m\u1eadt kh\u1ea9u, c\u1ea5u h\u00ecnh Mesh v\u00e0 m\u1ed9t s\u1ed1 th\u00f4ng s\u1ed1 nh\u00e0 m\u1ea1ng c\u00f3 th\u1ec3 b\u1ecb x\u00f3a. Viettel c\u0169ng l\u01b0u \u00fd ng\u01b0\u1eddi d\u00f9ng c\u1ea7n ph\u00e2n bi\u1ec7t n\u00fat Reset v\u1edbi n\u00fat Power v\u00e0 chu\u1ea9n b\u1ecb c\u1ea5u h\u00ecnh l\u1ea1i sau khi kh\u00f4i ph\u1ee5c. H\u01b0\u1edbng d\u1eabn reset modem WiFi Viettel.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">N\u1ebfu \u0111\u01b0\u1eddng truy\u1ec1n kh\u00f4ng t\u1ef1 ho\u1ea1t \u0111\u1ed9ng sau khi reset, kh\u00f4ng n\u00ean t\u1ef1 nh\u1eadp th\u00f4ng tin PPPoE ho\u1eb7c VLAN khi ch\u01b0a c\u00f3 h\u01b0\u1edbng d\u1eabn ch\u00ednh x\u00e1c. H\u00e3y li\u00ean h\u1ec7 Viettel \u0111\u1ec3 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh l\u1ea1i.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Loi_thuong_gap_sau_khi_doi_password_WiFi\"><\/span><span style=\"color: #ed1c24;\"><strong><span style=\"font-family: 'times new roman', times, serif;\">L\u1ed7i th\u01b0\u1eddng g\u1eb7p sau khi \u0111\u1ed5i password WiFi<\/span><\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_1856\" aria-describedby=\"caption-attachment-1856\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1856 size-full\" title=\"t\u1ed5ng h\u1ee3p l\u1ed7i th\u01b0\u1eddng g\u1eb7p sau khi \u0111\u1ed5i password WiFi nh\u01b0 thi\u1ebft b\u1ecb b\u00e1o sai m\u1eadt kh\u1ea9u, camera m\u1ea5t k\u1ebft n\u1ed1i, WiFi bi\u1ebfn m\u1ea5t v\u00e0 c\u1ea7n qu\u00ean m\u1ea1ng c\u0169.\" src=\"http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-7.jpg\" alt=\"t\u1ed5ng h\u1ee3p l\u1ed7i th\u01b0\u1eddng g\u1eb7p sau khi \u0111\u1ed5i password WiFi nh\u01b0 thi\u1ebft b\u1ecb b\u00e1o sai m\u1eadt kh\u1ea9u, camera m\u1ea5t k\u1ebft n\u1ed1i, WiFi bi\u1ebfn m\u1ea5t v\u00e0 c\u1ea7n qu\u00ean m\u1ea1ng c\u0169.\" width=\"800\" height=\"600\" srcset=\"http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-7.jpg 800w, http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-7-533x400.jpg 533w, http:\/\/viettelvtt.com\/wp-content\/uploads\/2026\/07\/doi-mat-khau-wifi-viettel-7-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-1856\" class=\"wp-caption-text\">t\u1ed5ng h\u1ee3p l\u1ed7i th\u01b0\u1eddng g\u1eb7p sau khi \u0111\u1ed5i password WiFi nh\u01b0 thi\u1ebft b\u1ecb b\u00e1o sai m\u1eadt kh\u1ea9u, camera m\u1ea5t k\u1ebft n\u1ed1i, WiFi bi\u1ebfn m\u1ea5t v\u00e0 c\u1ea7n qu\u00ean m\u1ea1ng c\u0169.<\/figcaption><\/figure>\n<h3><strong><span style=\"font-family: 'times new roman', times, serif;\">\u0110\u1ed5i xong nh\u01b0ng \u0111i\u1ec7n tho\u1ea1i kh\u00f4ng v\u00e0o \u0111\u01b0\u1ee3c m\u1ea1ng<\/span><\/strong><\/h3>\n<p><span style=\"font-family: 'times new roman', times, serif;\">H\u00e3y ch\u1ecdn \u201cQu\u00ean m\u1ea1ng\u201d tr\u00ean \u0111i\u1ec7n tho\u1ea1i, sau \u0111\u00f3 k\u1ebft n\u1ed1i l\u1ea1i b\u1eb1ng m\u1eadt kh\u1ea9u m\u1edbi. N\u1ebfu thi\u1ebft b\u1ecb v\u1eabn b\u00e1o sai m\u1eadt kh\u1ea9u, ki\u1ec3m tra Caps Lock, kho\u1ea3ng tr\u1eafng \u1edf \u0111\u1ea7u ho\u1eb7c cu\u1ed1i chu\u1ed7i v\u00e0 k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t d\u1ec5 nh\u1ea7m nh\u01b0 0\/O, 1\/l\/I.<\/span><\/p>\n<h3><strong><span style=\"font-family: 'times new roman', times, serif;\">M\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb c\u0169 kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c<\/span><\/strong><\/h3>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Camera, m\u00e1y in ho\u1eb7c thi\u1ebft b\u1ecb IoT \u0111\u1eddi c\u0169 c\u00f3 th\u1ec3 ch\u1ec9 h\u1ed7 tr\u1ee3 WPA2 ho\u1eb7c b\u0103ng t\u1ea7n 2,4 GHz. H\u00e3y ki\u1ec3m tra xem modem c\u00f3 \u0111ang b\u1eadt WPA3-only ho\u1eb7c ch\u1ec9 ph\u00e1t 5 GHz hay kh\u00f4ng. Chuy\u1ec3n sang WPA2\/WPA3 mixed mode v\u00e0 b\u1eadt l\u1ea1i m\u1ea1ng 2,4 GHz n\u1ebfu c\u1ea7n.<\/span><\/p>\n<h3><strong><span style=\"font-family: 'times new roman', times, serif;\">WiFi bi\u1ebfn m\u1ea5t sau khi l\u01b0u<\/span><\/strong><\/h3>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Modem c\u00f3 th\u1ec3 \u0111ang kh\u1edfi \u0111\u1ed9ng l\u1ea1i. Ch\u1edd kho\u1ea3ng m\u1ed9t \u0111\u1ebfn v\u00e0i ph\u00fat r\u1ed3i qu\u00e9t l\u1ea1i danh s\u00e1ch WiFi. N\u1ebfu \u0111\u00e8n ngu\u1ed3n v\u00e0 \u0111\u00e8n WiFi kh\u00f4ng s\u00e1ng, ki\u1ec3m tra ngu\u1ed3n \u0111i\u1ec7n v\u00e0 kh\u1edfi \u0111\u1ed9ng l\u1ea1i b\u1eb1ng n\u00fat Power.<\/span><\/p>\n<h3><strong><span style=\"font-family: 'times new roman', times, serif;\">Kh\u00f4ng m\u1edf \u0111\u01b0\u1ee3c 192.168.1.1<\/span><\/strong><\/h3>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 \u0111ang nh\u1eadn \u0111\u1ecba ch\u1ec9 qu\u1ea3n tr\u1ecb kh\u00e1c. Ki\u1ec3m tra Gateway trong th\u00f4ng tin m\u1ea1ng, tem d\u01b0\u1edbi modem ho\u1eb7c t\u00e0i li\u1ec7u c\u1ee7a thi\u1ebft b\u1ecb. B\u1ea1n c\u0169ng c\u1ea7n ch\u1eafc ch\u1eafn \u0111i\u1ec7n tho\u1ea1i \u0111ang k\u1ebft n\u1ed1i \u0111\u00fang WiFi Viettel thay v\u00ec m\u1ea1ng di \u0111\u1ed9ng ho\u1eb7c m\u1ed9t b\u1ed9 ph\u00e1t ph\u1ee5.<\/span><\/p>\n<h3><strong><span style=\"font-family: 'times new roman', times, serif;\">M\u1ea1ng ch\u1eadm sau khi \u0111\u1ed5i m\u1eadt kh\u1ea9u<\/span><\/strong><\/h3>\n<p><span style=\"font-family: 'times new roman', times, serif;\">\u0110\u1ed5i m\u1eadt kh\u1ea9u kh\u00f4ng l\u00e0m gi\u1ea3m t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1eddng truy\u1ec1n. N\u1ebfu m\u1ea1ng ch\u1eadm, h\u00e3y ki\u1ec3m tra s\u1ed1 thi\u1ebft b\u1ecb \u0111ang k\u1ebft n\u1ed1i, v\u1ecb tr\u00ed modem, nhi\u1ec5u k\u00eanh WiFi v\u00e0 t\u00ecnh tr\u1ea1ng t\u1ea3i xu\u1ed1ng n\u1ec1n. B\u1ea1n c\u00f3 th\u1ec3 xem th\u00eam h\u01b0\u1edbng d\u1eabn ki\u1ec3m tra t\u1ed1c \u0111\u1ed9 v\u00e0 x\u1eed l\u00fd l\u1ed7i WiFi Viettel trong c\u00e1c b\u00e0i li\u00ean quan.<\/span><\/p>\n<h3><strong><span style=\"font-family: 'times new roman', times, serif;\">Mesh WiFi kh\u00f4ng \u0111\u1ed3ng b\u1ed9<\/span><\/strong><\/h3>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Kh\u1edfi \u0111\u1ed9ng l\u1ea1i node ph\u1ee5, ki\u1ec3m tra d\u00e2y backhaul v\u00e0 ch\u1edd h\u1ec7 th\u1ed1ng \u0111\u1ed3ng b\u1ed9. N\u1ebfu t\u00ean WiFi ho\u1eb7c password tr\u00ean node v\u1eabn kh\u00e1c modem ch\u00ednh, h\u00e3y m\u1edf \u1ee9ng d\u1ee5ng qu\u1ea3n l\u00fd Mesh \u0111\u1ec3 c\u1eadp nh\u1eadt c\u1ea5u h\u00ecnh. Kh\u00f4ng n\u00ean reset t\u1eebng node khi ch\u01b0a ch\u1eafc ch\u1eafn v\u1ec1 quy tr\u00ecnh gh\u00e9p n\u1ed1i.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Meo_dat_mat_khau_WiFi_Viettel_an_toan_va_de_nho\"><\/span><span style=\"color: #ed1c24;\"><strong><span style=\"font-family: 'times new roman', times, serif;\">M\u1eb9o \u0111\u1eb7t m\u1eadt kh\u1ea9u WiFi Viettel an to\u00e0n v\u00e0 d\u1ec5 nh\u1edb<\/span><\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-family: 'times new roman', times, serif;\">M\u1ed9t m\u1eadt kh\u1ea9u t\u1ed1t c\u1ea7n \u0111\u1ee7 d\u00e0i nh\u01b0ng v\u1eabn c\u00f3 th\u1ec3 ghi nh\u1edb. B\u1ea1n c\u00f3 th\u1ec3 gh\u00e9p m\u1ed9t c\u00e2u ri\u00eang th\u00e0nh chu\u1ed7i vi\u1ebft t\u1eaft, th\u00eam s\u1ed1 v\u00e0 k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t. V\u00ed d\u1ee5, thay v\u00ec d\u00f9ng t\u00ean v\u00e0 n\u0103m sinh, h\u00e3y t\u1ea1o m\u1ed9t c\u1ee5m t\u1eeb kh\u00f4ng li\u00ean quan th\u00f4ng tin c\u00e1 nh\u00e2n r\u1ed3i bi\u1ebfn \u0111\u1ed5i m\u1ed9t v\u00e0i k\u00fd t\u1ef1.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">N\u00ean thay \u0111\u1ed5i m\u1eadt kh\u1ea9u khi c\u00f3 ng\u01b0\u1eddi ngo\u00e0i \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea5p quy\u1ec1n truy c\u1eadp l\u00e2u d\u00e0i. V\u1edbi gia \u0111\u00ecnh, b\u1ea1n c\u00f3 th\u1ec3 gi\u1eef m\u1ed9t m\u1ea1ng ch\u00ednh cho thi\u1ebft b\u1ecb c\u00e1 nh\u00e2n v\u00e0 m\u1ed9t m\u1ea1ng kh\u00e1ch cho kh\u00e1ch \u0111\u1ebfn nh\u00e0. Kh\u00f4ng n\u00ean g\u1eedi m\u1eadt kh\u1ea9u qua c\u00e1c nh\u00f3m c\u00f4ng khai ho\u1eb7c d\u00e1n m\u1eadt kh\u1ea9u \u1edf v\u1ecb tr\u00ed ng\u01b0\u1eddi ngo\u00e0i d\u1ec5 nh\u00ecn th\u1ea5y.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Sau khi \u0111\u1ed5i, h\u00e3y l\u01b0u m\u1eadt kh\u1ea9u trong tr\u00ecnh qu\u1ea3n l\u00fd m\u1eadt kh\u1ea9u ho\u1eb7c ghi \u1edf n\u01a1i ri\u00eang t\u01b0. Vi\u1ec7c ghi l\u1ea1i gi\u00fap tr\u00e1nh ph\u1ea3i reset modem khi qu\u00ean th\u00f4ng tin, \u0111\u1eb7c bi\u1ec7t v\u1edbi gia \u0111\u00ecnh c\u00f3 nhi\u1ec1u camera, tivi v\u00e0 thi\u1ebft b\u1ecb th\u00f4ng minh.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cau_hoi_thuong_gap_ve_doi_mat_khau_WiFi_Viettel\"><\/span><span style=\"color: #ed1c24;\"><strong><span style=\"font-family: 'times new roman', times, serif;\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 \u0111\u1ed5i m\u1eadt kh\u1ea9u WiFi Viettel<\/span><\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><strong><span style=\"font-family: 'times new roman', times, serif;\">\u0110\u1ed5i pass WiFi Viettel b\u1eb1ng \u0111i\u1ec7n tho\u1ea1i \u0111\u01b0\u1ee3c kh\u00f4ng?<\/span><\/strong><\/h3>\n<p><span style=\"font-family: 'times new roman', times, serif;\">C\u00f3. B\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng My Viettel n\u1ebfu t\u00e0i kho\u1ea3n Internet \u0111\u00e3 \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi s\u1ed1 \u0111i\u1ec7n tho\u1ea1i \u0111\u0103ng k\u00fd. Ngo\u00e0i ra, \u0111i\u1ec7n tho\u1ea1i c\u0169ng c\u00f3 th\u1ec3 m\u1edf tr\u00ecnh duy\u1ec7t v\u00e0 truy c\u1eadp \u0111\u1ecba ch\u1ec9 qu\u1ea3n tr\u1ecb modem khi \u0111ang k\u1ebft n\u1ed1i v\u1edbi WiFi c\u1ea7n thay \u0111\u1ed5i.<\/span><\/p>\n<h3><strong><span style=\"font-family: 'times new roman', times, serif;\">\u0110\u1ed5i m\u1eadt kh\u1ea9u WiFi c\u00f3 l\u00e0m m\u1ea5t Internet kh\u00f4ng?<\/span><\/strong><\/h3>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Kh\u00f4ng l\u00e0m m\u1ea5t d\u1ecbch v\u1ee5 Internet, nh\u01b0ng WiFi s\u1ebd ng\u1eaft t\u1ea1m th\u1eddi \u0111\u1ec3 modem \u00e1p d\u1ee5ng c\u1ea5u h\u00ecnh m\u1edbi. Sau \u0111\u00f3, t\u1ea5t c\u1ea3 thi\u1ebft b\u1ecb ph\u1ea3i k\u1ebft n\u1ed1i l\u1ea1i b\u1eb1ng m\u1eadt kh\u1ea9u m\u1edbi.<\/span><\/p>\n<h3><strong><span style=\"font-family: 'times new roman', times, serif;\">C\u00f3 th\u1ec3 \u0111\u1ed5i t\u00ean WiFi Viettel m\u00e0 kh\u00f4ng \u0111\u1ed5i m\u1eadt kh\u1ea9u kh\u00f4ng?<\/span><\/strong><\/h3>\n<p><span style=\"font-family: 'times new roman', times, serif;\">C\u00f3. Trong ph\u1ea7n qu\u1ea3n l\u00fd WiFi, b\u1ea1n ch\u1ec9 c\u1ea7n s\u1eeda SSID r\u1ed3i gi\u1eef nguy\u00ean tr\u01b0\u1eddng m\u1eadt kh\u1ea9u. Tuy nhi\u00ean, n\u1ebfu t\u00ean m\u1ea1ng \u0111\u00e3 b\u1ecb nhi\u1ec1u ng\u01b0\u1eddi bi\u1ebft, \u0111\u1ed5i c\u1ea3 t\u00ean v\u00e0 password s\u1ebd gi\u00fap thi\u1ebft l\u1eadp l\u1ea1i quy\u1ec1n truy c\u1eadp r\u00f5 r\u00e0ng h\u01a1n.<\/span><\/p>\n<h3><strong><span style=\"font-family: 'times new roman', times, serif;\">Qu\u00ean m\u1eadt kh\u1ea9u WiFi Viettel c\u00f3 c\u1ea7n reset modem kh\u00f4ng?<\/span><\/strong><\/h3>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Kh\u00f4ng nh\u1ea5t thi\u1ebft. N\u1ebfu c\u00f2n thi\u1ebft b\u1ecb \u0111ang k\u1ebft n\u1ed1i, h\u00e3y truy c\u1eadp My Viettel ho\u1eb7c giao di\u1ec7n modem \u0111\u1ec3 \u0111\u1eb7t m\u1eadt kh\u1ea9u m\u1edbi. Ch\u1ec9 reset khi b\u1ea1n m\u1ea5t quy\u1ec1n truy c\u1eadp v\u00e0o c\u1ea3 WiFi v\u00e0 t\u00e0i kho\u1ea3n qu\u1ea3n tr\u1ecb, \u0111\u1ed3ng th\u1eddi \u0111\u00e3 s\u1eb5n s\u00e0ng c\u1ea5u h\u00ecnh l\u1ea1i thi\u1ebft b\u1ecb.<\/span><\/p>\n<h3><strong><span style=\"font-family: 'times new roman', times, serif;\">M\u1eadt kh\u1ea9u WiFi Viettel n\u00ean d\u00e0i bao nhi\u00eau k\u00fd t\u1ef1?<\/span><\/strong><\/h3>\n<p><span style=\"font-family: 'times new roman', times, serif;\">T\u1ed1i thi\u1ec3u l\u00e0 8 k\u00fd t\u1ef1 theo y\u00eau c\u1ea7u ph\u1ed5 bi\u1ebfn c\u1ee7a chu\u1ea9n WiFi, nh\u01b0ng n\u00ean d\u00f9ng t\u1eeb 12 k\u00fd t\u1ef1 tr\u1edf l\u00ean. M\u1eadt kh\u1ea9u c\u1ea7n kh\u00f3 \u0111o\u00e1n, kh\u00f4ng ch\u1ee9a th\u00f4ng tin c\u00e1 nh\u00e2n v\u00e0 kh\u00f4ng d\u00f9ng l\u1ea1i cho t\u00e0i kho\u1ea3n quan tr\u1ecdng kh\u00e1c.<\/span><\/p>\n<h3><strong><span style=\"font-family: 'times new roman', times, serif;\">C\u00f3 \u0111\u1ed5i \u0111\u01b0\u1ee3c m\u1eadt kh\u1ea9u WiFi 5 GHz v\u00e0 2,4 GHz ri\u00eang kh\u00f4ng?<\/span><\/strong><\/h3>\n<p><span style=\"font-family: 'times new roman', times, serif;\">C\u00f3, n\u1ebfu modem \u0111ang ph\u00e1t hai SSID ri\u00eang. B\u1ea1n c\u00f3 th\u1ec3 \u0111\u1eb7t c\u00f9ng m\u1ed9t m\u1eadt kh\u1ea9u \u0111\u1ec3 d\u1ec5 nh\u1edb ho\u1eb7c \u0111\u1eb7t kh\u00e1c nhau \u0111\u1ec3 ki\u1ec3m so\u00e1t thi\u1ebft b\u1ecb. N\u1ebfu modem b\u1eadt Band Steering, hai b\u0103ng t\u1ea7n c\u00f3 th\u1ec3 d\u00f9ng chung t\u00ean v\u00e0 m\u1eadt kh\u1ea9u.<\/span><\/p>\n<h3><strong><span style=\"font-family: 'times new roman', times, serif;\">Sau khi \u0111\u1ed5i m\u1eadt kh\u1ea9u, camera kh\u00f4ng k\u1ebft n\u1ed1i th\u00ec x\u1eed l\u00fd th\u1ebf n\u00e0o?<\/span><\/strong><\/h3>\n<p><span style=\"font-family: 'times new roman', times, serif;\">Ki\u1ec3m tra camera c\u00f3 h\u1ed7 tr\u1ee3 b\u0103ng t\u1ea7n 2,4 GHz hay kh\u00f4ng, sau \u0111\u00f3 nh\u1eadp l\u1ea1i t\u00ean m\u1ea1ng v\u00e0 m\u1eadt kh\u1ea9u. N\u1ebfu modem \u0111ang d\u00f9ng WPA3-only, chuy\u1ec3n v\u1ec1 WPA2\/WPA3 ho\u1eb7c WPA2 \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span><span style=\"color: #ed1c24;\"><strong><span style=\"font-family: 'times new roman', times, serif;\">K\u1ebft lu\u1eadn<\/span><\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-family: 'times new roman', times, serif;\">\u0110\u1ed5i m\u1eadt kh\u1ea9u wifi Viettel l\u00e0 thao t\u00e1c \u0111\u01a1n gi\u1ea3n nh\u01b0ng c\u00f3 \u00fd ngh\u0129a l\u1edbn \u0111\u1ed1i v\u1edbi t\u1ed1c \u0111\u1ed9, b\u1ea3o m\u1eadt v\u00e0 kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t m\u1ea1ng gia \u0111\u00ecnh. C\u00e1ch nhanh nh\u1ea5t l\u00e0 s\u1eed d\u1ee5ng My Viettel; c\u00e1ch linh ho\u1ea1t h\u01a1n l\u00e0 \u0111\u0103ng nh\u1eadp modem qua tr\u00ecnh duy\u1ec7t v\u00e0 ch\u1ec9nh trong m\u1ee5c WLAN ho\u1eb7c WiFi.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">B\u1ea1n n\u00ean \u0111\u1ed5i m\u1eadt kh\u1ea9u khi nghi ng\u1edd c\u00f3 ng\u01b0\u1eddi d\u00f9ng k\u00e9, khi chuy\u1ec3n giao kh\u00f4ng gian s\u1ed1ng ho\u1eb7c khi m\u1eadt kh\u1ea9u c\u0169 qu\u00e1 d\u1ec5 \u0111o\u00e1n. H\u00e3y \u0111\u1eb7t m\u1eadt kh\u1ea9u d\u00e0i, b\u1eadt chu\u1ea9n b\u1ea3o m\u1eadt ph\u00f9 h\u1ee3p, c\u1eadp nh\u1eadt c\u1ea3 hai b\u0103ng t\u1ea7n v\u00e0 ki\u1ec3m tra l\u1ea1i c\u00e1c thi\u1ebft b\u1ecb sau khi l\u01b0u.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif;\">N\u1ebfu c\u1ea7n h\u01b0\u1edbng d\u1eabn t\u1ed5ng qu\u00e1t h\u01a1n, h\u00e3y xem b\u00e0i h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng Internet Viettel ho\u1eb7c li\u00ean h\u1ec7 Viettel \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n khi kh\u00f4ng th\u1ec3 \u0111\u0103ng nh\u1eadp modem.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u1ea1n mu\u1ed1n \u0111\u1ed5i m\u1eadt kh\u1ea9u WiFi Viettel v\u00ec nghi ng\u1edd c\u00f3 ng\u01b0\u1eddi d\u00f9ng k\u00e9, m\u1ea1ng ch\u1eadm b\u1ea5t th\u01b0\u1eddng ho\u1eb7c c\u1ea7n t\u0103ng b\u1ea3o m\u1eadt cho gia \u0111\u00ecnh? Thao t\u00e1c n\u00e0y th\u01b0\u1eddng ch\u1ec9 m\u1ea5t v\u00e0i ph\u00fat v\u00e0 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n ngay tr\u00ean \u0111i\u1ec7n tho\u1ea1i b\u1eb1ng \u1ee9ng d\u1ee5ng My Viettel ho\u1eb7c tr\u00ean m\u00e1y t\u00ednh th\u00f4ng qua giao<\/p>\n","protected":false},"author":1,"featured_media":1850,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[92,461],"tags":[509,508,511,510,412],"class_list":["post-1846","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc","category-goi-cuoc-internet","tag-doi-mat-khau-modem-viettel","tag-doi-pass-wifi-viettel","tag-doi-password-wifi","tag-doi-ten-wifi-viettel","tag-wifi-viettel"],"_links":{"self":[{"href":"https:\/\/viettelvtt.com\/wp-json\/wp\/v2\/posts\/1846","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/viettelvtt.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/viettelvtt.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/viettelvtt.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/viettelvtt.com\/wp-json\/wp\/v2\/comments?post=1846"}],"version-history":[{"count":3,"href":"https:\/\/viettelvtt.com\/wp-json\/wp\/v2\/posts\/1846\/revisions"}],"predecessor-version":[{"id":1857,"href":"https:\/\/viettelvtt.com\/wp-json\/wp\/v2\/posts\/1846\/revisions\/1857"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/viettelvtt.com\/wp-json\/wp\/v2\/media\/1850"}],"wp:attachment":[{"href":"https:\/\/viettelvtt.com\/wp-json\/wp\/v2\/media?parent=1846"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/viettelvtt.com\/wp-json\/wp\/v2\/categories?post=1846"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/viettelvtt.com\/wp-json\/wp\/v2\/tags?post=1846"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}