{"id":20276,"date":"2026-09-30T12:47:31","date_gmt":"2026-09-30T05:47:31","guid":{"rendered":"https:\/\/useful.vn\/?p=20276"},"modified":"2026-09-30T12:47:31","modified_gmt":"2026-09-30T05:47:31","slug":"mang-2g-se-duoc-tat-hoan-toan-trong-thang-9","status":"publish","type":"post","link":"https:\/\/useful.vn\/?p=20276","title":{"rendered":"M\u1ea1ng 2G s\u1ebd \u0111\u01b0\u1ee3c t\u1eaft ho\u00e0n to\u00e0n trong th\u00e1ng 9"},"content":{"rendered":"<article class=\"fck_detail \">\n<h1 class=\"title-detail mt20\">\nM\u1ea1ng 2G s\u1ebd \u0111\u01b0\u1ee3c t\u1eaft ho\u00e0n to\u00e0n trong th\u00e1ng 9 <\/h1>\n<p class=\"description\">C\u00e1c nh\u00e0 m\u1ea1ng s\u1ebd d\u1eebng ph\u00e1t s\u00f3ng 2G tr\u00ean to\u00e0n qu\u1ed1c t\u1eeb gi\u1eefa th\u00e1ng 9, sau g\u1ea7n hai n\u0103m duy tr\u00ec \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng chuy\u1ec3n \u0111\u1ed5i thi\u1ebft b\u1ecb.<\/p>\n<p class=\"Normal\">\u0110\u00e2y l\u00e0 b\u01b0\u1edbc ti\u1ebfp theo trong l\u1ed9 tr\u00ecnh t\u1eaft s\u00f3ng 2G t\u1ea1i Vi\u1ec7t Nam nh\u1eb1m \u01b0u ti\u00ean t\u1ea7n s\u1ed1 cho c\u00e1c th\u1ebf h\u1ec7 m\u1ea1ng di \u0111\u1ed9ng \u0111\u1eddi m\u1edbi, \u0111\u01b0\u1ee3c c\u01a1 quan qu\u1ea3n l\u00fd \u0111\u01b0a ra t\u1eeb n\u0103m 2024. Theo \u0111\u00f3, h\u1ec7 th\u1ed1ng th\u00f4ng tin di \u0111\u1ed9ng GSM, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1ea1ng di \u0111\u1ed9ng th\u1ebf h\u1ec7 th\u1ee9 hai (2G), s\u1ebd ng\u1eebng ho\u1ea1t \u0111\u1ed9ng v\u00e0o 15\/9\/2026.<\/p>\n<p class=\"Normal\">Tr\u01b0\u1edbc \u0111\u00f3, t\u1eeb th\u00e1ng 10\/2024, c\u00e1c nh\u00e0 m\u1ea1ng \u0111\u00e3 ng\u1eebng cung c\u1ea5p d\u1ecbch v\u1ee5 cho thu\u00ea bao s\u1eed d\u1ee5ng \u0111i\u1ec7n tho\u1ea1i ch\u1ec9 h\u1ed7 tr\u1ee3 2G, nh\u01b0ng v\u1eabn duy tr\u00ec m\u1ed9t ph\u1ea7n m\u1ea1ng 2G \u0111\u1ec3 ph\u1ee5c v\u1ee5 c\u00e1c thi\u1ebft b\u1ecb 3G, 4G \u0111\u1eddi \u0111\u1ea7u ch\u01b0a h\u1ed7 tr\u1ee3 VoLTE (c\u00f4ng ngh\u1ec7 truy\u1ec1n t\u1ea3i \u00e2m thanh cu\u1ed9c g\u1ecdi ch\u1ea5t l\u01b0\u1ee3ng cao), ho\u1eb7c d\u00f9ng trong vi\u1ec7c li\u00ean l\u1ea1c t\u1ea1i m\u1ed9t s\u1ed1 khu v\u1ef1c nh\u01b0 qu\u1ea7n \u0111\u1ea3o Tr\u01b0\u1eddng Sa, Ho\u00e0ng Sa, nh\u00e0 gi\u00e0n DK.<\/p>\n<p class=\"Normal\">Th\u1ef1c t\u1ebf t\u1eeb v\u00e0i th\u00e1ng nay, c\u00e1c nh\u00e0 m\u1ea1ng \u0111\u00e3 d\u1ea7n t\u1eaft s\u00f3ng 2G t\u1ea1i m\u1ed9t s\u1ed1 khu v\u1ef1c \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n, thay v\u00ec ch\u1edd \u0111\u1ebfn \u0111\u00fang th\u1eddi \u0111i\u1ec3m. \u0110\u1ed3ng th\u1eddi, c\u00e1c kh\u1ed1i b\u0103ng t\u1ea7n v\u1ed1n d\u00f9ng cho m\u1ea1ng 2G hi\u1ec7n nay nh\u01b0 900 MHz, 1.800 MHz c\u0169ng s\u1ebd \u0111\u01b0\u1ee3c \u0111\u01b0a ra \u0111\u1ea5u gi\u00e1, h\u01b0\u1edbng t\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng cho c\u00e1c th\u1ebf h\u1ec7 m\u1ea1ng di \u0111\u1ed9ng ti\u1ebfp theo nh\u01b0 5G, 6G.<\/p>\n<p class=\"Normal\">T\u1eeb hai th\u00e1ng tr\u01b0\u1edbc, m\u1ed9t s\u1ed1 nh\u00e0 m\u1ea1ng l\u1edbn \u0111\u00e3 b\u1eaft \u0111\u1ea7u th\u00f4ng b\u00e1o t\u1edbi nh\u1eefng thu\u00ea bao n\u1eb1m trong di\u1ec7n c\u1ea7n ki\u1ec3m tra thi\u1ebft b\u1ecb v\u00e0 k\u00edch ho\u1ea1t VoLTE. \u0110\u00e2y l\u00e0 c\u00f4ng ngh\u1ec7 cho ph\u00e9p th\u1ef1c hi\u1ec7n cu\u1ed9c g\u1ecdi tho\u1ea1i tr\u1ef1c ti\u1ebfp tr\u00ean m\u1ea1ng 4G.<\/p>\n<p class=\"Normal\">Khi 2G c\u00f2n ho\u1ea1t \u0111\u1ed9ng, m\u1ed9t s\u1ed1 \u0111i\u1ec7n tho\u1ea1i 4G kh\u00f4ng c\u00f3 VoLTE v\u1eabn c\u00f3 th\u1ec3 chuy\u1ec3n xu\u1ed1ng m\u1ea1ng 2G \u0111\u1ec3 th\u1ef1c hi\u1ec7n cu\u1ed9c g\u1ecdi. Khi m\u1ea1ng n\u00e0y \u0111\u01b0\u1ee3c t\u1eaft, kh\u1ea3 n\u0103ng chuy\u1ec3n xu\u1ed1ng 2G kh\u00f4ng c\u00f2n, khi\u1ebfn m\u00e1y c\u00f3 th\u1ec3 v\u1eabn truy c\u1eadp Internet qua 4G nh\u01b0ng kh\u00f4ng th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c cu\u1ed9c g\u1ecdi th\u00f4ng th\u01b0\u1eddng.<\/p>\n<p class=\"Normal\">\u0110\u1ec3 tr\u00e1nh m\u1ea5t li\u00ean l\u1ea1c, nh\u00e0 m\u1ea1ng khuy\u1ebfn ngh\u1ecb ng\u01b0\u1eddi d\u00f9ng \u0111i\u1ec7n tho\u1ea1i 4G n\u00ean ki\u1ec3m tra thi\u1ebft b\u1ecb c\u00f3 h\u1ed7 tr\u1ee3 VoLTE hay kh\u00f4ng v\u00e0 b\u1eadt t\u00ednh n\u0103ng n\u00e0y n\u1ebfu \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3. Nh\u1eefng m\u00e1y ch\u1ec9 h\u1ed7 tr\u1ee3 2G c\u1ea7n \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng thi\u1ebft b\u1ecb c\u00f3 h\u1ed7 tr\u1ee3 m\u1ea1ng di \u0111\u1ed9ng th\u1ebf h\u1ec7 m\u1edbi. M\u1ed9t s\u1ed1 nh\u00e0 m\u1ea1ng Vi\u1ec7t Nam cho bi\u1ebft, s\u1ebd r\u00e0 qu\u00e9t t\u1ef1 \u0111\u1ed9ng \u0111\u1ec3 k\u00edch ho\u1ea1t d\u1ecbch v\u1ee5 cho ng\u01b0\u1eddi d\u00f9ng. Tuy nhi\u00ean, h\u1ecd c\u0169ng khuy\u1ebfn ngh\u1ecb ng\u01b0\u1eddi d\u00e2n ch\u1ee7 \u0111\u1ed9ng ki\u1ec3m tra ho\u1eb7c \u0111\u1ebfn c\u1eeda h\u00e0ng, \u0111i\u1ec3m b\u00e1n ho\u1eb7c c\u00e1c \u0111i\u1ec3m h\u1ed7 tr\u1ee3 c\u1ee7a nh\u00e0 m\u1ea1ng.<\/p>\n<p class=\"Normal\">&#8220;T\u00f9y t\u1eebng tr\u01b0\u1eddng h\u1ee3p, kh\u00e1ch h\u00e0ng \u0111\u01b0\u1ee3c \u0111\u1ed5i SIM v\u00e0 ti\u1ebfp c\u1eadn ch\u01b0\u01a1ng tr\u00ecnh h\u1ed7 tr\u1ee3 thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p \u0111\u1ec3 duy tr\u00ec li\u00ean l\u1ea1c&#8221;, nh\u00e0 m\u1ea1ng Viettel cho bi\u1ebft.<\/p>\n<figure data-size=\"true\" class=\"tplCaption\">\n<div class=\"fig-picture\" data-width=\"1020\">\n<source data-srcset=\"http:\/\/useful.vn\/wp-content\/uploads\/2026\/09\/wm1-wm1-cucgach-1788287311-4625-1788287535.webp 1x, http:\/\/useful.vn\/wp-content\/uploads\/2026\/09\/wm1-wm1-cucgach-1788287311-4625-1788287535.webp 1.5x, https:\/\/vcdn1-vnexpress.vnecdn.net\/2026\/09\/02\/wm1-wm1-cucgach-1788287311-4625-1788287535.jpg?w=1020&amp;h=0&amp;q=100&amp;dpr=2&amp;fit=crop&amp;s=_pLGjTjgxnW56gIZ7uwX4A 2x\" \/><\/div><figcaption>\n<p class=\"Image\">\u0110i\u1ec7n tho\u1ea1i &#8220;c\u1ee5c g\u1ea1ch&#8221; Nokia tr\u01b0\u1edbc th\u1eddi \u0111i\u1ec3m t\u1eaft s\u00f3ng 2G, th\u00e1ng 10\/2024. \u1ea2nh: <em>L\u01b0u Qu\u00fd<\/em><\/p>\n<\/figcaption><\/figure>\n<p class=\"Normal\">M\u1ea1ng 2G \u0111\u01b0\u1ee3c th\u01b0\u01a1ng m\u1ea1i h\u00f3a tr\u00ean th\u1ebf gi\u1edbi n\u0103m 1991, tr\u01b0\u1edbc khi c\u00f3 m\u1eb7t t\u1ea1i Vi\u1ec7t Nam n\u0103m 1993, khi nh\u00e0 m\u1ea1ng MobiFone b\u1eaft \u0111\u1ea7u ho\u1ea1t \u0111\u1ed9ng. Sau h\u01a1n 30 n\u0103m, th\u1ebf h\u1ec7 m\u1ea1ng di \u0111\u1ed9ng n\u00e0y \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 &#8220;\u0111\u00e3 ho\u00e0n th\u00e0nh s\u1ee9 m\u1ec7nh&#8221;.<\/p>\n<p class=\"Normal\">Vi\u1ec7c d\u1eebng 2G nh\u1eb1m gi\u1ea3i ph\u00f3ng v\u00e0 t\u00e1i s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean t\u1ea7n s\u1ed1 cho c\u00e1c c\u00f4ng ngh\u1ec7 di \u0111\u1ed9ng m\u1edbi, qua \u0111\u00f3 gi\u00fap c\u00e1c nh\u00e0 m\u1ea1ng c\u00f3 th\u00eam t\u00e0i nguy\u00ean \u0111\u1ec3 ph\u00e1t tri\u1ec3n 5G, 6G v\u00e0 m\u1edf r\u1ed9ng ch\u1ea5t l\u01b0\u1ee3ng v\u00f9ng ph\u1ee7. Ngo\u00e0i 2G, m\u1ea1ng 3G d\u1ef1 ki\u1ebfn ti\u1ebfp t\u1ee5c \u0111\u01b0\u1ee3c d\u1eebng t\u1eeb th\u00e1ng 9\/2028.<\/p>\n<p class=\"Normal\"><strong>L\u01b0u Qu\u00fd<\/strong><\/p>\n<\/article>\n<hr>\n<p>https:\/\/vnexpress.net\/mang-2g-se-duoc-tat-hoan-toan-trong-thang-9-5115657.html<\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u1ea1ng 2G s\u1ebd \u0111\u01b0\u1ee3c t\u1eaft ho\u00e0n to\u00e0n trong th\u00e1ng 9 C\u00e1c nh\u00e0 m\u1ea1ng s\u1ebd d\u1eebng ph\u00e1t s\u00f3ng 2G tr\u00ean to\u00e0n qu\u1ed1c t\u1eeb gi\u1eefa th\u00e1ng 9, sau g\u1ea7n hai n\u0103m duy tr\u00ec \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng chuy\u1ec3n \u0111\u1ed5i thi\u1ebft b\u1ecb. \u0110\u00e2y l\u00e0 b\u01b0\u1edbc ti\u1ebfp theo trong l\u1ed9 tr\u00ecnh t\u1eaft s\u00f3ng 2G t\u1ea1i Vi\u1ec7t Nam nh\u1eb1m \u01b0u ti\u00ean<\/p>\n","protected":false},"author":1,"featured_media":20277,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-20276","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghe"],"_links":{"self":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts\/20276","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=20276"}],"version-history":[{"count":0,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts\/20276\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/media\/20277"}],"wp:attachment":[{"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=20276"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=20276"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=20276"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}