{"id":23215,"date":"2025-08-11T15:53:00","date_gmt":"2025-08-11T08:53:00","guid":{"rendered":"https:\/\/phongvu.vn\/cong-nghe\/?p=10420"},"modified":"2025-10-16T09:21:55","modified_gmt":"2025-10-16T02:21:55","slug":"cach-xu-ly-khi-mang-3g-bong-nhien-bi-yeu","status":"publish","type":"post","link":"https:\/\/phongvu.vn\/cong-nghe\/cach-xu-ly-khi-mang-3g-bong-nhien-bi-yeu\/","title":{"rendered":"C\u00e1ch x\u1eed l\u00fd khi m\u1ea1ng 3G\/4G c\u1ee7a \u0111i\u1ec7n tho\u1ea1i b\u1ed7ng nhi\u00ean b\u1ecb y\u1ebfu"},"content":{"rendered":"\n<p>Trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng \u0111i\u1ec7n tho\u1ea1i, \u0111\u00f4i khi t\u1ed1c \u0111\u1ed9 m\u1ea1ng 3G ho\u1eb7c 4G c\u00f3 th\u1ec3 \u0111\u1ed9t ng\u1ed9t ch\u1eadm l\u1ea1i d\u00f9 dung l\u01b0\u1ee3ng d\u1eef li\u1ec7u v\u1eabn c\u00f2n, g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m l\u01b0\u1edbt web. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y th\u01b0\u1eddng x\u1ea3y ra khi t\u00edn hi\u1ec7u y\u1ebfu, \u0111\u1eb7c bi\u1ec7t \u1edf khu v\u1ef1c v\u00f9ng s\u00e2u v\u00f9ng xa, n\u01a1i s\u00f3ng di \u0111\u1ed9ng ch\u01b0a \u0111\u01b0\u1ee3c ph\u1ee7 r\u1ed9ng. Tuy nhi\u00ean, n\u1ebfu k\u1ebft n\u1ed1i b\u1ed7ng tr\u1edf n\u00ean ch\u1eadm b\u1ea5t th\u01b0\u1eddng d\u00f9 t\u00edn hi\u1ec7u \u1ed5n \u0111\u1ecbnh, nguy\u00ean nh\u00e2n c\u00f3 th\u1ec3 \u0111\u1ebfn t\u1eeb thi\u1ebft b\u1ecb. M\u1ed9t s\u1ed1 c\u00e1ch kh\u1eafc ph\u1ee5c \u0111\u01a1n gi\u1ea3n <a href=\"https:\/\/phongvu.vn\/cong-nghe\/\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/phongvu.vn\/cong-nghe\/\" rel=\"noreferrer noopener\">Phong V\u0169 Tech News<\/a> g\u1ee3i \u00fd d\u01b0\u1edbi \u0111\u00e2y s\u1ebd gi\u00fap c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 m\u1ea1ng di \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_55 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 \" >M\u1ee5c l\u1ee5c<\/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\" role=\"button\"><label for=\"item-6a251b183c801\" ><span class=\"\"><span 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><\/label><input aria-label=\"Toggle\" aria-label=\"item-6a251b183c801\"  type=\"checkbox\" id=\"item-6a251b183c801\"><\/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:\/\/phongvu.vn\/cong-nghe\/cach-xu-ly-khi-mang-3g-bong-nhien-bi-yeu\/#I_Chuyen_dien_thoai_sang_che_do_May_bay\" title=\"I.\u00a0Chuy\u1ec3n \u0111i\u1ec7n tho\u1ea1i sang ch\u1ebf \u0111\u1ed9 M\u00e1y bay\">I.\u00a0Chuy\u1ec3n \u0111i\u1ec7n tho\u1ea1i sang ch\u1ebf \u0111\u1ed9 M\u00e1y bay<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/phongvu.vn\/cong-nghe\/cach-xu-ly-khi-mang-3g-bong-nhien-bi-yeu\/#II_Chuyen_lai_che_do_mang_uu_tien_thong_thuong_truong_hop_nay_la_do_song_yeu_hoac_ban_dang_de_o_che_do_2G_cho_sim\" title=\"II. Chuy\u1ec3n l\u1ea1i ch\u1ebf \u0111\u1ed9 m\u1ea1ng \u01b0u ti\u00ean (th\u00f4ng th\u01b0\u1eddng tr\u01b0\u1eddng h\u1ee3p n\u00e0y l\u00e0 do s\u00f3ng y\u1ebfu ho\u1eb7c b\u1ea1n \u0111ang \u0111\u1ec3 \u1edf ch\u1ebf \u0111\u1ed9 2G cho sim)\">II. Chuy\u1ec3n l\u1ea1i ch\u1ebf \u0111\u1ed9 m\u1ea1ng \u01b0u ti\u00ean (th\u00f4ng th\u01b0\u1eddng tr\u01b0\u1eddng h\u1ee3p n\u00e0y l\u00e0 do s\u00f3ng y\u1ebfu ho\u1eb7c b\u1ea1n \u0111ang \u0111\u1ec3 \u1edf ch\u1ebf \u0111\u1ed9 2G cho sim)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/phongvu.vn\/cong-nghe\/cach-xu-ly-khi-mang-3g-bong-nhien-bi-yeu\/#III_Kiem_tra_cai_dat_van_chuyen_va_thiet_lap_lai_cai_dat_mang\" title=\"III. Ki\u1ec3m tra c\u00e0i \u0111\u1eb7t v\u1eadn chuy\u1ec3n v\u00e0 thi\u1ebft l\u1eadp l\u1ea1i c\u00e0i \u0111\u1eb7t m\u1ea1ng\">III. Ki\u1ec3m tra c\u00e0i \u0111\u1eb7t v\u1eadn chuy\u1ec3n v\u00e0 thi\u1ebft l\u1eadp l\u1ea1i c\u00e0i \u0111\u1eb7t m\u1ea1ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/phongvu.vn\/cong-nghe\/cach-xu-ly-khi-mang-3g-bong-nhien-bi-yeu\/#IV_Thiet_lap_che_do_du_lieu_manh_cho_cac_loai_dien_thoai_Android\" title=\"IV. Thi\u1ebft l\u1eadp ch\u1ebf \u0111\u1ed9 d\u1eef li\u1ec7u m\u1ea1nh cho c\u00e1c lo\u1ea1i \u0111i\u1ec7n tho\u1ea1i (Android)\">IV. Thi\u1ebft l\u1eadp ch\u1ebf \u0111\u1ed9 d\u1eef li\u1ec7u m\u1ea1nh cho c\u00e1c lo\u1ea1i \u0111i\u1ec7n tho\u1ea1i (Android)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/phongvu.vn\/cong-nghe\/cach-xu-ly-khi-mang-3g-bong-nhien-bi-yeu\/#V_Khoi_dong_lai_dien_thoai\" title=\"V. Kh\u1edfi \u0111\u1ed9ng l\u1ea1i \u0111i\u1ec7n tho\u1ea1i\">V. Kh\u1edfi \u0111\u1ed9ng l\u1ea1i \u0111i\u1ec7n tho\u1ea1i<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/phongvu.vn\/cong-nghe\/cach-xu-ly-khi-mang-3g-bong-nhien-bi-yeu\/#VI_Thao_SIM_ra\" title=\"VI. Th\u00e1o SIM ra\">VI. Th\u00e1o SIM ra<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"I_Chuyen_dien_thoai_sang_che_do_May_bay\"><\/span><strong>I.\u00a0<\/strong><strong>Chuy\u1ec3n \u0111i\u1ec7n tho\u1ea1i sang ch\u1ebf \u0111\u1ed9 M\u00e1y bay<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>V\u1edbi Android, th\u1ef1c hi\u1ec7n thao t\u00e1c vu\u1ed1t t\u1eeb tr\u00ean c\u00f9ng <a href=\"https:\/\/phongvu.vn\/man-hinh-may-tinh-540.cat\">m\u00e0n h\u00ecnh<\/a> \u0111\u1ec3 m\u1edf b\u1ea3ng <strong>C\u00e0i \u0111\u1eb7t nhanh<\/strong>, ch\u1ea1m v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng <strong>M\u00e1y bay<\/strong>, \u0111\u1ee3i \u0111i\u1ec7n tho\u1ea1i ng\u1eaft ho\u00e0n to\u00e0n kh\u1ecfi k\u1ebft n\u1ed1i Wi-Fi l\u1eabn di \u0111\u1ed9ng. Ch\u1edd kho\u1ea3ng 30 gi\u00e2y v\u00e0 nh\u1ea5p v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng m\u00e1y bay m\u1ed9t l\u1ea7n n\u1eefa.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/xu-ly-mang-3G4G-bi-yeu.jpg\" alt=\"Chuy\u1ec3n sang ch\u1ebf \u0111\u1ed9 m\u00e1y bay\" class=\"wp-image-151807\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/xu-ly-mang-3G4G-bi-yeu.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/xu-ly-mang-3G4G-bi-yeu-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/xu-ly-mang-3G4G-bi-yeu-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/xu-ly-mang-3G4G-bi-yeu-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/xu-ly-mang-3G4G-bi-yeu-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/xu-ly-mang-3G4G-bi-yeu-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/xu-ly-mang-3G4G-bi-yeu-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/xu-ly-mang-3G4G-bi-yeu-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/xu-ly-mang-3G4G-bi-yeu-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/xu-ly-mang-3G4G-bi-yeu-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">Chuy\u1ec3n sang ch\u1ebf \u0111\u1ed9 m\u00e1y bay<\/figcaption><\/figure><\/div>\n\n\n<p>C\u00f2n v\u1edbi ng\u01b0\u1eddi d\u00f9ng iPhone, m\u1edf <strong>Trung t\u00e2m \u0111i\u1ec1u khi\u1ec3n<\/strong> b\u1eb1ng c\u00e1ch vu\u1ed1t xu\u1ed1ng t\u1eeb g\u00f3c tr\u00ean b\u00ean ph\u1ea3i m\u00e0n h\u00ecnh n\u1ebfu l\u00e0 iPhone X tr\u1edf v\u1ec1 sau, trong khi c\u00e1c d\u00f2ng c\u0169 h\u01a1n s\u1ebd vu\u1ed1t t\u1eeb d\u01b0\u1edbi l\u00ean. Sau \u0111\u00f3, ch\u1edd kho\u1ea3ng 1 ph\u00fat gi\u1eefa hai l\u1ea7n ch\u1ea1m v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng m\u00e1y bay \u0111\u1ec3 m\u1ea1ng ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh tr\u1edf l\u1ea1i.<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"II_Chuyen_lai_che_do_mang_uu_tien_thong_thuong_truong_hop_nay_la_do_song_yeu_hoac_ban_dang_de_o_che_do_2G_cho_sim\"><\/span><b>II. Chuy\u1ec3n l\u1ea1i ch\u1ebf \u0111\u1ed9 m\u1ea1ng \u01b0u ti\u00ean (th\u00f4ng th\u01b0\u1eddng tr\u01b0\u1eddng h\u1ee3p n\u00e0y l\u00e0 do s\u00f3ng y\u1ebfu ho\u1eb7c b\u1ea1n \u0111ang \u0111\u1ec3 \u1edf ch\u1ebf \u0111\u1ed9 2G cho sim)<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Khi c\u00e0i \u0111\u1eb7t \u0111i\u1ec7n tho\u1ea1i \u1edf d\u1eef li\u1ec7u di \u0111\u1ed9ng s\u1ebd cho ph\u00e9p s\u1eed d\u1ee5ng m\u1ea1ng di \u0111\u1ed9ng \u1edf ch\u1ebf \u0111\u1ed9 2G, ch\u1ebf \u0111\u1ed9 3G, ch\u1ebf \u0111\u1ed9 4G ho\u1eb7c d\u00f9ng song song gi\u1eefa 3G v\u00e0 4G. Tr\u01b0\u1eddng h\u1ee3p \u0111ang \u1edf khu v\u1ef1c c\u00f3 s\u00f3ng 3G m\u00e0 \u0111\u1ec3 ch\u1ebf \u0111\u1ed9 2G th\u00ec t\u1ed1c \u0111\u1ed9 kh\u00f4ng th\u1ec3 \u0111\u1ea1t m\u1ee9c cao nh\u1ea5t s\u1ebd th\u00f4ng b\u00e1o ch\u1eef E.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/xu-ly-mang-3G4G-bi-yeu-1.jpg\" alt=\"Chuy\u1ec3n l\u1ea1i ch\u1ebf \u0111\u1ed9 m\u1ea1ng \u01b0u ti\u00ean\" class=\"wp-image-151808\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/xu-ly-mang-3G4G-bi-yeu-1.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/xu-ly-mang-3G4G-bi-yeu-1-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/xu-ly-mang-3G4G-bi-yeu-1-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/xu-ly-mang-3G4G-bi-yeu-1-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/xu-ly-mang-3G4G-bi-yeu-1-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/xu-ly-mang-3G4G-bi-yeu-1-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/xu-ly-mang-3G4G-bi-yeu-1-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/xu-ly-mang-3G4G-bi-yeu-1-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/xu-ly-mang-3G4G-bi-yeu-1-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/xu-ly-mang-3G4G-bi-yeu-1-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">Chuy\u1ec3n l\u1ea1i ch\u1ebf \u0111\u1ed9 m\u1ea1ng \u01b0u ti\u00ean<\/figcaption><\/figure>\n\n\n\n<p>\u0110\u1ec3 kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng n\u00e0y, ch\u1ecdn <strong>C\u00e0i \u0111\u1eb7t &gt; M\u1ea1ng di \u0111\u1ed9ng &gt; Ki\u1ec3u m\u1ea1ng \u01b0u ti\u00ean\/ Ch\u1ebf \u0111\u1ed9 m\u1ea1ng\u2026 &gt; Ch\u1ecdn ch\u1ec9 d\u00f9ng 3G<\/strong>\u00a0n\u1ebfu c\u1ea7n t\u1ed1c \u0111\u1ed9 cao \u0111\u1ec3 s\u1eed d\u1ee5ng, ch\u1ecdn 3G\/ 2G t\u1ef1 \u0111\u1ed9ng n\u1ebfu mu\u1ed1n ti\u1ebft ki\u1ec7m pin v\u00e0 khu v\u1ef1c n\u01a1i b\u1ea1n sinh s\u1ed1ng c\u00f3 t\u00edn hi\u1ec7u m\u1ea1ng 3G m\u1ea1nh, \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/10\/man-hinh-bi-nhap-nhay.-17.jpg\" alt=\"C\u00e0i \u0111\u1eb7t m\u1ea1ng \u01b0u ti\u00ean\" class=\"wp-image-151817\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/10\/man-hinh-bi-nhap-nhay.-17.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/10\/man-hinh-bi-nhap-nhay.-17-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/10\/man-hinh-bi-nhap-nhay.-17-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/10\/man-hinh-bi-nhap-nhay.-17-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/10\/man-hinh-bi-nhap-nhay.-17-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/10\/man-hinh-bi-nhap-nhay.-17-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/10\/man-hinh-bi-nhap-nhay.-17-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/10\/man-hinh-bi-nhap-nhay.-17-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/10\/man-hinh-bi-nhap-nhay.-17-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/10\/man-hinh-bi-nhap-nhay.-17-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">C\u00e0i \u0111\u1eb7t m\u1ea1ng \u01b0u ti\u00ean<\/figcaption><\/figure>\n\n\n\n<p>V\u1edbi iPhone chuy\u1ec3n \u0111\u1ebfn ph\u1ea7n\u00a0<strong>C\u00e0i \u0111\u1eb7t<\/strong>\u00a0&gt;\u00a0<strong>Di \u0111\u1ed9ng<\/strong>\u00a0&gt;\u00a0<strong>T\u00f9y ch\u1ecdn D\u1eef li\u1ec7u di \u0111\u1ed9ng.<\/strong><\/p>\n\n\n\n<p>Sau \u0111\u00f3, ch\u1ecdn\u00a0<strong>Tho\u1ea1i &amp; D\u1eef li\u1ec7u<\/strong> v\u00e0 ch\u1ecdn ch\u1ebf \u0111\u1ed9 m\u1ea1ng mong mu\u1ed1n.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/10\/man-hinh-bi-nhap-nhay.-18.jpg\" alt=\"Ch\u1ecdn ch\u1ebf \u0111\u1ed9 m\u1ea1ng\" class=\"wp-image-151819\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/10\/man-hinh-bi-nhap-nhay.-18.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/10\/man-hinh-bi-nhap-nhay.-18-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/10\/man-hinh-bi-nhap-nhay.-18-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/10\/man-hinh-bi-nhap-nhay.-18-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/10\/man-hinh-bi-nhap-nhay.-18-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/10\/man-hinh-bi-nhap-nhay.-18-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/10\/man-hinh-bi-nhap-nhay.-18-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/10\/man-hinh-bi-nhap-nhay.-18-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/10\/man-hinh-bi-nhap-nhay.-18-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/10\/man-hinh-bi-nhap-nhay.-18-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">Ch\u1ecdn ch\u1ebf \u0111\u1ed9 m\u1ea1ng<\/figcaption><\/figure>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"III_Kiem_tra_cai_dat_van_chuyen_va_thiet_lap_lai_cai_dat_mang\"><\/span><strong>III. Ki\u1ec3m tra c\u00e0i \u0111\u1eb7t v\u1eadn chuy\u1ec3n v\u00e0 thi\u1ebft l\u1eadp l\u1ea1i c\u00e0i \u0111\u1eb7t m\u1ea1ng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi ri\u00eang ng\u01b0\u1eddi d\u00f9ng iPhone, trang h\u1ed7 tr\u1ee3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 t\u00edn hi\u1ec7u m\u1ea1ng c\u1ee7a Apple c\u00f3 \u0111\u1ec1 xu\u1ea5t m\u1ed9t s\u1ed1 m\u1eb9o, song t\u1ef1u chung c\u00f3 2 c\u00e1ch sau:<\/p>\n\n\n\n<p>N\u1ebfu \u0111\u00e3 s\u1eed d\u1ee5ng iPhone trong m\u1ed9t th\u1eddi gian, th\u00f4ng b\u00e1o c\u00e0i \u0111\u1eb7t nh\u00e0 cung c\u1ea5p \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt. Nh\u1eefng c\u1eadp nh\u1eadt n\u00e0y gi\u00fap iPhone t\u1ed1i \u01b0u h\u00f3a k\u1ebft n\u1ed1i.<\/p>\n\n\n\n<p><strong>C\u00e1ch 1:<\/strong> bu\u1ed9c iPhone ki\u1ec3m tra c\u1eadp nh\u1eadt c\u00e0i \u0111\u1eb7t c\u1ee7a nh\u00e0 m\u1ea1ng, m\u1edf\u00a0<strong>C\u00e0i \u0111\u1eb7t<\/strong>\u00a0&gt;\u00a0<strong>Chung<\/strong>\u00a0&gt;\u00a0<strong>Gi\u1edbi thi\u1ec7u.<\/strong>\u00a0N\u1ebfu c\u00f3 b\u1ea3n c\u1eadp nh\u1eadt, iPhone s\u1ebd nh\u1eafc c\u00e0i \u0111\u1eb7t.<\/p>\n\n\n<div class=\"wp-block-image alignnone size-full wp-image-23209\">\n<figure class=\"aligncenter\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-19.jpg\" alt=\"M\u1edf c\u00e0i \u0111\u1eb7t v\u1eadn chuy\u1ec3n \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a k\u1ebft n\u1ed1i iPhone.\" class=\"wp-image-151821\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-19.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-19-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-19-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-19-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-19-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-19-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-19-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-19-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-19-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-19-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">M\u1edf c\u00e0i \u0111\u1eb7t v\u1eadn chuy\u1ec3n \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a k\u1ebft n\u1ed1i iPhone.<\/figcaption><\/figure><\/div>\n\n\n<p><strong>C\u00e1ch 2:<\/strong> \u0110\u1eb7t l\u1ea1i c\u00e0i \u0111\u1eb7t m\u1ea1ng. B\u1eb1ng c\u00e1ch \u0111i \u0111\u1ebfn\u00a0<strong>C\u00e0i \u0111\u1eb7t &gt; Chung &gt; \u0110\u1eb7t l\u1ea1i &gt; \u0110\u1eb7t l\u1ea1i C\u00e0i \u0111\u1eb7t m\u1ea1ng<\/strong>, thi\u1ebft l\u1eadp n\u00e0y s\u1ebd \u0111\u1eb7t l\u1ea1i m\u1ecdi m\u1eadt kh\u1ea9u Wi-Fi \u0111\u00e3 l\u01b0u, k\u1ebft n\u1ed1i VPN&#8230;Sau khi x\u00e1c nh\u1eadn, \u0111i\u1ec7n tho\u1ea1i s\u1ebd t\u1ef1 kh\u1edfi \u0111\u1ed9ng l\u1ea1i.<\/p>\n\n\n<div class=\"wp-block-image alignnone size-full wp-image-23210\">\n<figure class=\"aligncenter\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-20.jpg\" alt=\"\u0110\u1eb7t l\u1ea1i c\u00e0i \u0111\u1eb7t m\u1ea1ng s\u1ebd kh\u00f4i ph\u1ee5c t\u1ea5t c\u1ea3 m\u1eadt kh\u1ea9u k\u1ebft n\u1ed1i c\u1ee7a iPhone.\" class=\"wp-image-151823\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-20.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-20-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-20-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-20-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-20-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-20-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-20-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-20-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-20-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-20-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">\u0110\u1eb7t l\u1ea1i c\u00e0i \u0111\u1eb7t m\u1ea1ng s\u1ebd kh\u00f4i ph\u1ee5c t\u1ea5t c\u1ea3 m\u1eadt kh\u1ea9u k\u1ebft n\u1ed1i c\u1ee7a iPhone.<\/figcaption><\/figure><\/div>\n\n\n<p>Song \u0111\u00f4i khi vi\u1ec7c t\u00edn hi\u1ec7u b\u1ecb k\u00e9m c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n tr\u1ef1c ti\u1ebfp t\u1eeb nh\u00e0 cung c\u1ea5p m\u1ea1ng. Th\u00e1p di \u0111\u1ed9ng b\u1ecb s\u1eadp, c\u00e1p quang b\u1ecb \u0111\u1ee9t l\u00e0 nh\u1eefng nguy\u00ean nh\u00e2n th\u01b0\u1eddng x\u1ea3y ra. N\u1ebfu x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c nguy\u00ean nh\u00e2n t\u1eeb \u0111\u00e2y, h\u00e3y li\u00ean h\u1ec7 ngay l\u1eadp t\u1ee9c v\u1edbi nh\u00e0 m\u1ea1ng \u0111\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft.<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"IV_Thiet_lap_che_do_du_lieu_manh_cho_cac_loai_dien_thoai_Android\"><\/span><b>IV. Thi\u1ebft l\u1eadp ch\u1ebf \u0111\u1ed9 d\u1eef li\u1ec7u m\u1ea1nh cho c\u00e1c lo\u1ea1i \u0111i\u1ec7n tho\u1ea1i (Android)<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Nh\u1eefng chi\u1ebfc \u0111i\u1ec7n tho\u1ea1i <a href=\"https:\/\/phongvu.vn\/c\/phone-dien-thoai\" data-type=\"URL\" data-id=\"https:\/\/phongvu.vn\/c\/phone-dien-thoai\" target=\"_blank\" rel=\"noreferrer noopener\">smartphone<\/a> th\u01b0\u1eddng c\u00e0i \u0111\u1eb7t s\u1eb5n t\u00ednh n\u0103ng 3G, Tuy nhi\u00ean m\u1ed9t s\u1ed1 \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh d\u00f9 \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t s\u1eb5n ch\u1ebf \u0111\u1ed9 d\u1eef li\u1ec7u m\u1ea1ng nh\u01b0ng l\u1ea1i \u1edf ch\u1ebf \u0111\u1ed9 GSM, l\u00e0 m\u1ea1ng di \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng (2G), t\u1ed1c \u0111\u1ed9 truy c\u1eadp s\u1ebd ch\u1eadm h\u01a1n 3G. V\u1eady n\u00ean c\u1ea7n thi\u1ebft l\u1eadp ch\u1ebf \u0111\u1ed9 t\u1ef1 \u0111\u1ed9ng WCDMA\/GSM \u0111\u1ec3 thi\u1ebft b\u1ecb t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n 2G, 3G t\u00f9y v\u00e0o khu v\u1ef1c ph\u1ee7 s\u00f3ng d\u1ecbch v\u1ee5 3G.<\/p>\n\n\n\n<p><strong>B\u01b0\u1edbc 1<\/strong>: V\u00e0o <strong>Menu C\u00e0i \u0110\u1eb7t<\/strong>.<\/p>\n\n\n\n<p><strong>B\u01b0\u1edbc 2:<\/strong> K\u00e9o xu\u1ed1ng, t\u00ecm m\u1ee5c <strong>Nhi\u1ec1u m\u1ea1ng h\u01a1n\u00a0<\/strong>ho\u1eb7c\u00a0<strong>Th\u00eam\u00a0<\/strong>(t\u00f9y \u0111i\u1ec7n tho\u1ea1i \u0111ang s\u1eed d\u1ee5ng).<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-21.jpg\" alt=\"Ch\u1ecdn m\u1ee5c Nhi\u1ec1u m\u1ea1ng h\u01a1n\u00a0ho\u1eb7c\u00a0Th\u00eam\" class=\"wp-image-151825\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-21.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-21-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-21-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-21-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-21-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-21-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-21-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-21-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-21-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-21-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">Ch\u1ecdn m\u1ee5c Nhi\u1ec1u m\u1ea1ng h\u01a1n\u00a0ho\u1eb7c\u00a0Th\u00eam<\/figcaption><\/figure><\/div>\n\n\n<p><strong>B\u01b0\u1edbc 3:<\/strong> Ch\u1ecdn <strong>C\u00e1c m\u1ea1ng di \u0111\u1ed9ng<\/strong>, sau \u0111\u00f3 ch\u1ecdn <strong>Ch\u1ebf \u0111\u1ed9 d\u1eef li\u1ec7u m\u1ea1ng<\/strong>.<\/p>\n\n\n\n<p>B\u01b0\u1edbc 4: Ch\u1ecdn <strong>WCDMA\/GSM<\/strong> (t\u1ef1 \u0111\u1ed9ng k\u1ebft n\u1ed1i).<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-22.jpg\" alt=\"L\u1ef1a ch\u1ecdn WCDMA\/GSM (t\u1ef1 \u0111\u1ed9ng k\u1ebft n\u1ed1i)\" class=\"wp-image-151827\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-22.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-22-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-22-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-22-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-22-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-22-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-22-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-22-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-22-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-22-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">L\u1ef1a ch\u1ecdn WCDMA\/GSM (t\u1ef1 \u0111\u1ed9ng k\u1ebft n\u1ed1i)<\/figcaption><\/figure><\/div>\n\n\n<p>N\u1ebfu nh\u01b0 \u0111\u00e3 ch\u1ecdn 1 trong 2 m\u1ee5c c\u00f2n l\u1ea1i, m\u1ed7i khi thay \u0111\u1ed5i \u0111\u1ecba \u0111i\u1ec3m \u0111\u1ebfn v\u00f9ng s\u00f3ng kh\u1ecfe ho\u1eb7c s\u00f3ng y\u1ebfu, t\u00ecnh tr\u1ea1ng 3G s\u1ebd kh\u00f4ng \u1ed5n \u0111\u1ecbnh v\u00e0 s\u1ebd d\u1eabn \u0111\u1ebfn vi\u1ec7c kh\u00f4ng truy c\u1eadp \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"V_Khoi_dong_lai_dien_thoai\"><\/span><strong>V. Kh\u1edfi \u0111\u1ed9ng l\u1ea1i \u0111i\u1ec7n tho\u1ea1i<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Smartphone l\u00e0 m\u1ed9t chi\u1ebfc m\u00e1y t\u00ednh thu nh\u1ecf. C\u0169ng gi\u1ed1ng nh\u01b0 m\u00e1y t\u00ednh, \u0111\u00f4i khi l\u1ed7i c\u0169ng c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 b\u1eb1ng c\u00e1ch kh\u1edfi \u0111\u1ed9ng l\u1ea1i. T\u1ed1t nh\u1ea5t n\u00ean th\u1ef1c hi\u1ec7n m\u1ed9t trong nh\u1eefng c\u00e1ch \u1edf tr\u00ean r\u1ed3i sau \u0111\u00f3 m\u1edbi kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y \u0111\u1ec3 ch\u1eafc ch\u1eafn nh\u1eefng thay \u0111\u1ed5i \u0111\u01b0\u1ee3c kh\u1ea3 d\u1ee5ng.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-23.jpg\" alt=\"Kh\u1edfi \u0111\u1ed9ng l\u1ea1i \u0111i\u1ec7n tho\u1ea1i\" class=\"wp-image-151829\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-23.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-23-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-23-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-23-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-23-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-23-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-23-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-23-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-23-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-23-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">Kh\u1edfi \u0111\u1ed9ng l\u1ea1i \u0111i\u1ec7n tho\u1ea1i<\/figcaption><\/figure><\/div>\n\n\n<h3><span class=\"ez-toc-section\" id=\"VI_Thao_SIM_ra\"><\/span><strong>VI. Th\u00e1o SIM ra<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>V\u1edbi c\u00e1ch n\u00e0y, ng\u01b0\u1eddi d\u00f9ng t\u1ea5t c\u1ea3 c\u00e1c d\u00f2ng \u0111i\u1ec7n tho\u1ea1i ch\u1ec9 vi\u1ec7c th\u00e1o ra, ki\u1ec3m tra xem th\u1ebb SIM c\u00f3 b\u1ecb h\u1ecfng ho\u1eb7c \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1eb7t trong khe \u0111\u00fang c\u00e1ch ch\u01b0a.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-24.jpg\" alt=\"Th\u00e1o Sim ra\" class=\"wp-image-151830\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-24.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-24-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-24-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-24-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-24-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-24-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-24-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-24-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-24-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2022\/01\/man-hinh-bi-nhap-nhay.-24-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">Th\u00e1o Sim ra<\/figcaption><\/figure><\/div>\n\n\n<p>\u1ede m\u1ed9t s\u1ed1 d\u00f2ng \u0111i\u1ec7n tho\u1ea1i m\u1edbi, ng\u01b0\u1eddi d\u00f9ng s\u1ebd c\u1ea7n \u0111\u1ebfn que ch\u1ecdc \u0111\u1ec3 m\u1edf khe c\u1eafm SIM. Tuy nhi\u00ean v\u1edbi c\u00e1c d\u00f2ng smartphone s\u1eed d\u1ee5ng eSIM t\u00edch h\u1ee3p s\u1eb5n trong \u0111i\u1ec7n tho\u1ea1i, b\u1ea1n kh\u00f4ng th\u1ec3 d\u00f9ng c\u00e1ch n\u00e0y.<\/p>\n\n\n\n<p>N\u1ebfu v\u1eabn ch\u01b0a c\u00f3 c\u1ea3i thi\u1ec7n, h\u00e3y th\u1eed t\u1eaft d\u1eef li\u1ec7u di \u0111\u1ed9ng trong gi\u00e2y l\u00e1t r\u1ed3i b\u1eadt l\u1ea1i \u0111\u1ec3 ki\u1ec3m tra thay \u0111\u1ed5i. Trong tr\u01b0\u1eddng h\u1ee3p t\u1ed1c \u0111\u1ed9 m\u1ea1ng v\u1eabn duy tr\u00ec \u1edf m\u1ee9c qu\u00e1 y\u1ebfu ho\u1eb7c kh\u00f4ng th\u1ec3 truy c\u1eadp trong th\u1eddi gian d\u00e0i, n\u00ean mang thi\u1ebft b\u1ecb \u0111\u1ebfn c\u00e1c trung t\u00e2m b\u1ea3o h\u00e0nh ho\u1eb7c s\u1eeda ch\u1eefa uy t\u00edn \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 ki\u1ec3m tra v\u00e0 x\u1eed l\u00fd. <\/p>\n\n\n\n<p>\u0110\u1eebng qu\u00ean theo d\u00f5i Phong V\u0169 Tech News \u0111\u1ec3 c\u1eadp nh\u1eadt th\u00eam nhi\u1ec1u h\u01b0\u1edbng d\u1eabn, th\u1ee7 thu\u1eadt v\u00e0 tin t\u1ee9c c\u00f4ng ngh\u1ec7 h\u1eefu \u00edch kh\u00e1c.<\/p>\n\n\n\n<p><strong>B\u00e0i vi\u1ebft li\u00ean quan: <\/strong><\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/cach-doi-mau-ban-phim-co\/\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/phongvu.vn\/cong-nghe\/cach-doi-mau-ban-phim-co\/\" rel=\"noreferrer noopener\">C\u00e1ch \u0111\u1ed5i m\u00e0u b\u00e0n ph\u00edm c\u01a1 \u0111\u01a1n gi\u1ea3n, nhanh nh\u1ea5t 2025<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/cach-dung-spotify-trong-chatgpt\/\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/phongvu.vn\/cong-nghe\/cach-dung-spotify-trong-chatgpt\/\" rel=\"noreferrer noopener\">C\u00e1ch d\u00f9ng Spotify trong ChatGPT: T\u1ea1o playlist, nghe nh\u1ea1c v\u00e0 nh\u1eadn g\u1ee3i \u00fd c\u00e1 nh\u00e2n h\u00f3a<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/cach-mo-ban-phim-ao-cuc-don-gian-tren-win-xp-7-8-10\/\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/phongvu.vn\/cong-nghe\/cach-mo-ban-phim-ao-cuc-don-gian-tren-win-xp-7-8-10\/\" rel=\"noreferrer noopener\">C\u00e1ch m\u1edf b\u00e0n ph\u00edm \u1ea3o tr\u00ean m\u00e1y t\u00ednh Windows, Macbook nhanh ch\u00f3ng<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng \u0111i\u1ec7n tho\u1ea1i, \u0111\u00f4i khi t\u1ed1c \u0111\u1ed9 m\u1ea1ng 3G ho\u1eb7c 4G c\u00f3 th\u1ec3 \u0111\u1ed9t ng\u1ed9t ch\u1eadm l\u1ea1i d\u00f9 dung l\u01b0\u1ee3ng d\u1eef li\u1ec7u v\u1eabn c\u00f2n, g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m l\u01b0\u1edbt web. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y th\u01b0\u1eddng x\u1ea3y ra khi t\u00edn hi\u1ec7u y\u1ebfu, \u0111\u1eb7c bi\u1ec7t \u1edf khu v\u1ef1c v\u00f9ng s\u00e2u v\u00f9ng xa, [&hellip;]<\/p>\n","protected":false},"author":51,"featured_media":23214,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false},"categories":[74],"tags":[],"_links":{"self":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/23215"}],"collection":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/users\/51"}],"replies":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/comments?post=23215"}],"version-history":[{"count":4,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/23215\/revisions"}],"predecessor-version":[{"id":151831,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/23215\/revisions\/151831"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media\/23214"}],"wp:attachment":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media?parent=23215"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/categories?post=23215"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/tags?post=23215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}