{"id":555980,"date":"2026-06-17T10:32:39","date_gmt":"2026-06-17T03:32:39","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=555980"},"modified":"2026-06-17T10:32:39","modified_gmt":"2026-06-17T03:32:39","slug":"cach-tat-volte-tren-oppo","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/cach-tat-volte-tren-oppo\/","title":{"rendered":"C\u00e1ch T\u1eaft VoLTE Tr\u00ean OPPO (ColorOS) &#038; L\u01b0u \u00dd Quan Tr\u1ecdng"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u00e0i vi\u1ebft h\u01b0\u1edbng d\u1eabn chi ti\u1ebft <\/span><b>c\u00e1ch t\u1eaft VoLTE tr\u00ean OPPO<\/b><span style=\"font-weight: 400;\"> (giao di\u1ec7n ColorOS), khi n\u00e0o n\u00ean t\u1eaft, h\u1ec7 qu\u1ea3 khi t\u1eaft v\u00e0 c\u00e1ch b\u1eadt l\u1ea1i n\u1ebfu c\u1ea7n. <\/span><b>VoLTE<\/b><span style=\"font-weight: 400;\"> (Voice over LTE) l\u00e0 c\u00f4ng ngh\u1ec7 cho ph\u00e9p g\u1ecdi tho\u1ea1i qua m\u1ea1ng 4G v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng cao, k\u1ebft n\u1ed1i nhanh v\u00e0 v\u1eabn d\u00f9ng \u0111\u01b0\u1ee3c data khi \u0111ang g\u1ecdi. Tuy nhi\u00ean, m\u1ed9t s\u1ed1 ng\u01b0\u1eddi d\u00f9ng OPPO mu\u1ed1n <\/span><b>t\u1eaft VoLTE<\/b><span style=\"font-weight: 400;\"> v\u00ec g\u1eb7p l\u1ed7i cu\u1ed9c g\u1ecdi, hao pin, ho\u1eb7c m\u1ea1ng nh\u00e0 kh\u00f4ng \u1ed5n \u0111\u1ecbnh v\u1edbi VoLTE.\u00a0<\/span><\/p>\n<h2 style=\"text-align: justify;\"><b>VoLTE l\u00e0 g\u00ec, c\u00f3 n\u00ean t\u1eaft kh\u00f4ng?<\/b><\/h2>\n<p style=\"text-align: justify;\">VoLTE (Voice over LTE) 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 LTE thay v\u00ec ph\u1ea3i chuy\u1ec3n v\u1ec1 2G\/3G nh\u01b0 tr\u01b0\u1edbc \u0111\u00e2y. Nh\u1edd \u0111\u00f3, cu\u1ed9c g\u1ecdi \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i nhanh h\u01a1n, ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh r\u00f5 n\u00e9t h\u01a1n (HD Voice) v\u00e0 b\u1ea1n v\u1eabn c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng d\u1eef li\u1ec7u 4G trong khi \u0111ang g\u1ecdi \u0111i\u1ec7n.<\/p>\n<p style=\"text-align: justify;\">Nh\u00ecn chung, b\u1ea1n n\u00ean b\u1eadt VoLTE tr\u00ean <a href=\"https:\/\/hoanghamobile.com\/dien-thoai-di-dong\/oppo\">\u0111i\u1ec7n tho\u1ea1i OPPO<\/a> \u0111\u1ec3 c\u00f3 tr\u1ea3i nghi\u1ec7m g\u1ecdi \u1ed5n \u0111\u1ecbnh v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t h\u01a1n. Tuy nhi\u00ean, b\u1ea1n ch\u1ec9 n\u00ean c\u00e2n nh\u1eafc t\u1eaft VoLTE trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p nh\u01b0 g\u1eb7p l\u1ed7i cu\u1ed9c g\u1ecdi (r\u1edbt cu\u1ed9c g\u1ecdi, kh\u00f4ng th\u1ec3 g\u1ecdi \u0111i ho\u1eb7c g\u1ecdi \u0111\u1ebfn), nghi ng\u1edd do xung \u0111\u1ed9t m\u1ea1ng, ho\u1eb7c khi c\u1ea7n chuy\u1ec3n v\u1ec1 2G\/3G \u0111\u1ec3 ph\u1ee5c v\u1ee5 m\u1ed9t m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng c\u1ee5 th\u1ec3 n\u00e0o \u0111\u00f3.<\/p>\n<p style=\"text-align: justify;\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-557514\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/cach-tat-volte-tren-oppo-1.jpg\" alt=\"cach-tat-volte-tren-oppo-1\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/cach-tat-volte-tren-oppo-1.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/cach-tat-volte-tren-oppo-1-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/cach-tat-volte-tren-oppo-1-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2 style=\"text-align: justify;\"><b>C\u00e1ch t\u1eaft VoLTE tr\u00ean OPPO (ColorOS)<\/b><\/h2>\n<ol style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\">Truy c\u1eadp \u1ee9ng d\u1ee5ng C\u00e0i \u0111\u1eb7t (Settings) tr\u00ean thi\u1ebft b\u1ecb.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">V\u00e0o m\u1ee5c Th\u1ebb SIM &amp; m\u1ea1ng di \u0111\u1ed9ng ho\u1eb7c K\u1ebft n\u1ed1i &amp; chia s\u1ebb, t\u00f9y theo phi\u00ean b\u1ea3n ColorOS \u0111ang s\u1eed d\u1ee5ng.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Ch\u1ecdn SIM m\u00e0 b\u1ea1n mu\u1ed1n t\u1eaft t\u00ednh n\u0103ng VoLTE.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">T\u00ecm t\u00f9y ch\u1ecdn Cu\u1ed9c g\u1ecdi VoLTE ho\u1eb7c VoLTE HD v\u00e0 chuy\u1ec3n c\u00f4ng t\u1eafc sang tr\u1ea1ng th\u00e1i t\u1eaft.<\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">N\u1ebfu kh\u00f4ng th\u1ea5y m\u1ee5c VoLTE, c\u00f3 th\u1ec3 do nh\u00e0 m\u1ea1ng\/m\u00e1y ch\u01b0a h\u1ed7 tr\u1ee3 hi\u1ec3n th\u1ecb t\u00f9y ch\u1ecdn, ho\u1eb7c c\u1ea7n c\u1eadp nh\u1eadt c\u1ea5u h\u00ecnh nh\u00e0 m\u1ea1ng.<\/span><\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-557517\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/cach-tat-volte-tren-oppo-4.jpg\" alt=\"cach-tat-volte-tren-oppo-4\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/cach-tat-volte-tren-oppo-4.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/cach-tat-volte-tren-oppo-4-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/cach-tat-volte-tren-oppo-4-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2 style=\"text-align: justify;\"><b>H\u1ec7 qu\u1ea3 khi th\u1ef1c hi\u1ec7n <\/b><b>c\u00e1ch t\u1eaft VoLTE tr\u00ean OPPO<\/b><\/h2>\n<p style=\"text-align: justify;\">Khi t\u1eaft VoLTE tr\u00ean OPPO, thi\u1ebft b\u1ecb s\u1ebd thay \u0111\u1ed5i c\u00e1ch ho\u1ea1t \u0111\u1ed9ng trong vi\u1ec7c th\u1ef1c hi\u1ec7n v\u00e0 k\u1ebft n\u1ed1i cu\u1ed9c g\u1ecdi, t\u1eeb \u0111\u00f3 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m li\u00ean l\u1ea1c v\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng m\u1ea1ng di \u0111\u1ed9ng trong m\u1ed9t s\u1ed1 t\u00ecnh hu\u1ed1ng nh\u1ea5t \u0111\u1ecbnh.<\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Cu\u1ed9c g\u1ecdi s\u1ebd d\u00f9ng m\u1ea1ng 2G\/3G:<\/b><span style=\"font-weight: 400;\"> k\u1ebft n\u1ed1i ch\u1eadm h\u01a1n, ch\u1ea5t l\u01b0\u1ee3ng tho\u1ea1i th\u01b0\u1eddng k\u00e9m h\u01a1n HD Voice.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>M\u1ea5t data khi \u0111ang g\u1ecdi (v\u1edbi m\u1ed9t s\u1ed1 m\u00e1y\/m\u1ea1ng):<\/b><span style=\"font-weight: 400;\"> v\u00ec g\u1ecdi qua 3G\/2G c\u00f3 th\u1ec3 t\u1ea1m ng\u1eaft 4G.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u1ede khu v\u1ef1c \u0111\u00e3 t\u1eaft s\u00f3ng 3G\/2G:<\/b><span style=\"font-weight: 400;\"> t\u1eaft VoLTE c\u00f3 th\u1ec3 khi\u1ebfn kh\u00f4ng g\u1ecdi \u0111\u01b0\u1ee3c \u2014 n\u00ean c\u00e2n nh\u1eafc k\u1ef9.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Do \u0111\u00f3, ch\u1ec9 t\u1eaft VoLTE khi th\u1ef1c s\u1ef1 c\u1ea7n; sau khi x\u1eed l\u00fd xong n\u00ean b\u1eadt l\u1ea1i \u0111\u1ec3 c\u00f3 tr\u1ea3i nghi\u1ec7m g\u1ecdi t\u1ed1t nh\u1ea5t.<\/span><\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-557515\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/cach-tat-volte-tren-oppo-2.jpg\" alt=\"cach-tat-volte-tren-oppo-2\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/cach-tat-volte-tren-oppo-2.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/cach-tat-volte-tren-oppo-2-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/cach-tat-volte-tren-oppo-2-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2 style=\"text-align: justify;\"><b>C\u00e1ch b\u1eadt l\u1ea1i VoLTE tr\u00ean OPPO<\/b><\/h2>\n<ol style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\">Truy c\u1eadp C\u00e0i \u0111\u1eb7t, sau \u0111\u00f3 v\u00e0o m\u1ee5c Th\u1ebb SIM &amp; m\u1ea1ng di \u0111\u1ed9ng v\u00e0 ch\u1ecdn SIM c\u1ea7n thi\u1ebft l\u1eadp.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">B\u1eadt l\u1ea1i t\u00f9y ch\u1ecdn Cu\u1ed9c g\u1ecdi VoLTE b\u1eb1ng c\u00e1ch g\u1ea1t c\u00f4ng t\u1eafc sang tr\u1ea1ng th\u00e1i b\u1eadt.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Kh\u1edfi \u0111\u1ed9ng l\u1ea1i thi\u1ebft b\u1ecb n\u1ebfu c\u1ea7n \u0111\u1ec3 h\u1ec7 th\u1ed1ng \u00e1p d\u1ee5ng c\u00e0i \u0111\u1eb7t m\u1edbi m\u1ed9t c\u00e1ch \u1ed5n \u0111\u1ecbnh.<\/li>\n<\/ol>\n<h2 style=\"text-align: justify;\"><b>L\u01b0u \u00fd khi d\u00f9ng VoLTE tr\u00ean OPPO<\/b><\/h2>\n<p style=\"text-align: justify;\">VoLTE l\u00e0 c\u00f4ng ngh\u1ec7 g\u1ecdi tho\u1ea1i qua m\u1ea1ng 4G, v\u00ec v\u1eady \u0111\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c th\u00ec tr\u01b0\u1edbc h\u1ebft nh\u00e0 m\u1ea1ng ph\u1ea3i h\u1ed7 tr\u1ee3 v\u00e0 k\u00edch ho\u1ea1t VoLTE cho SIM c\u1ee7a b\u1ea1n. Kh\u00f4ng ph\u1ea3i SIM n\u00e0o c\u0169ng t\u1ef1 \u0111\u1ed9ng c\u00f3 s\u1eb5n t\u00ednh n\u0103ng n\u00e0y, n\u00ean trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p b\u1ea1n c\u1ea7n li\u00ean h\u1ec7 nh\u00e0 m\u1ea1ng \u0111\u1ec3 \u0111\u0103ng k\u00fd ho\u1eb7c ki\u1ec3m tra tr\u1ea1ng th\u00e1i k\u00edch ho\u1ea1t. B\u00ean c\u1ea1nh \u0111\u00f3, \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t ch\u1ebf \u0111\u1ed9 m\u1ea1ng \u01b0u ti\u00ean 4G\/LTE, v\u00ec n\u1ebfu m\u00e1y \u0111ang \u0111\u1ec3 3G ho\u1eb7c ch\u1ebf \u0111\u1ed9 t\u1ef1 \u0111\u1ed9ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh th\u00ec VoLTE s\u1ebd kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang c\u00e1ch, d\u1eabn \u0111\u1ebfn vi\u1ec7c cu\u1ed9c g\u1ecdi b\u1ecb chuy\u1ec3n v\u1ec1 m\u1ea1ng c\u0169 ho\u1eb7c b\u1ecb l\u1ed7i k\u1ebft n\u1ed1i.<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-557516\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/cach-tat-volte-tren-oppo-3.jpg\" alt=\"cach-tat-volte-tren-oppo-3\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/cach-tat-volte-tren-oppo-3.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/cach-tat-volte-tren-oppo-3-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/06\/cach-tat-volte-tren-oppo-3-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p style=\"text-align: justify;\">Trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, n\u1ebfu b\u1ea1n \u0111\u00e3 b\u1eadt VoLTE nh\u01b0ng v\u1eabn g\u1eb7p t\u00ecnh tr\u1ea1ng kh\u00f4ng g\u1ecdi \u0111\u01b0\u1ee3c ho\u1eb7c ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed9c g\u1ecdi kh\u00f4ng \u1ed5n \u0111\u1ecbnh, b\u1ea1n n\u00ean th\u1eed m\u1ed9t s\u1ed1 c\u00e1ch x\u1eed l\u00fd \u0111\u01a1n gi\u1ea3n nh\u01b0 kh\u1edfi \u0111\u1ed9ng l\u1ea1i \u0111i\u1ec7n tho\u1ea1i \u0111\u1ec3 l\u00e0m m\u1edbi k\u1ebft n\u1ed1i m\u1ea1ng, ki\u1ec3m tra l\u1ea1i m\u1ee9c \u0111\u1ed9 s\u00f3ng t\u1ea1i khu v\u1ef1c \u0111ang \u0111\u1ee9ng, ho\u1eb7c th\u1eed b\u1eadt\/t\u1eaft l\u1ea1i t\u00ednh n\u0103ng VoLTE \u0111\u1ec3 h\u1ec7 th\u1ed1ng c\u1eadp nh\u1eadt l\u1ea1i c\u1ea5u h\u00ecnh. N\u1ebfu sau khi \u0111\u00e3 th\u1eed c\u00e1c b\u01b0\u1edbc c\u01a1 b\u1ea3n m\u00e0 v\u1eabn kh\u00f4ng c\u1ea3i thi\u1ec7n, gi\u1ea3i ph\u00e1p t\u1ed1t nh\u1ea5t l\u00e0 li\u00ean h\u1ec7 tr\u1ef1c ti\u1ebfp v\u1edbi nh\u00e0 m\u1ea1ng \u0111\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m tra s\u00e2u h\u01a1n v\u1ec1 SIM, g\u00f3i c\u01b0\u1edbc ho\u1eb7c khu v\u1ef1c ph\u1ee7 s\u00f3ng.<\/p>\n<h2 style=\"text-align: justify;\"><b>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/b><\/h2>\n<h3 style=\"text-align: justify;\"><b>C\u00e1ch t\u1eaft VoLTE tr\u00ean OPPO<\/b><b> c\u00f3 \u1ea3nh h\u01b0\u1edfng g\u00ec?<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Cu\u1ed9c g\u1ecdi s\u1ebd chuy\u1ec3n sang 2G\/3G n\u00ean ch\u1eadm k\u1ebft n\u1ed1i h\u01a1n, ch\u1ea5t l\u01b0\u1ee3ng tho\u1ea1i k\u00e9m h\u01a1n v\u00e0 c\u00f3 th\u1ec3 m\u1ea5t data khi \u0111ang g\u1ecdi. \u1ede n\u01a1i \u0111\u00e3 t\u1eaft 3G\/2G c\u00f3 th\u1ec3 kh\u00f4ng g\u1ecdi \u0111\u01b0\u1ee3c.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>V\u00ec sao m\u00e1y OPPO kh\u00f4ng c\u00f3 t\u00f9y ch\u1ecdn VoLTE?<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 do nh\u00e0 m\u1ea1ng ch\u01b0a k\u00edch ho\u1ea1t VoLTE cho SIM, m\u00e1y ch\u01b0a b\u1eadt 4G, ho\u1eb7c c\u1ea7n c\u1eadp nh\u1eadt c\u1ea5u h\u00ecnh nh\u00e0 m\u1ea1ng\/ph\u1ea7n m\u1ec1m.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>T\u1eaft VoLTE c\u00f3 ti\u1ebft ki\u1ec7m pin kh\u00f4ng?<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u1ea2nh h\u01b0\u1edfng kh\u00f4ng \u0111\u00e1ng k\u1ec3 trong \u0111a s\u1ed1 tr\u01b0\u1eddng h\u1ee3p. VoLTE ch\u1ee7 y\u1ebfu c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng g\u1ecdi; n\u00ean b\u1eadt \u0111\u1ec3 c\u00f3 tr\u1ea3i nghi\u1ec7m t\u1ed1t.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>VoLTE v\u00e0 VoWiFi kh\u00e1c g\u00ec nhau?<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">VoLTE l\u00e0 g\u1ecdi qua m\u1ea1ng 4G; VoWiFi (Wi-Fi Calling) l\u00e0 g\u1ecdi qua Wi-Fi khi s\u00f3ng y\u1ebfu. C\u1ea3 hai gi\u00fap c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed9c g\u1ecdi.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>T\u1eaft VoLTE c\u00f3 g\u1ecdi \u0111\u01b0\u1ee3c kh\u00f4ng?<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u1eabn g\u1ecdi \u0111\u01b0\u1ee3c qua 2G\/3G n\u1ebfu khu v\u1ef1c c\u00f2n s\u00f3ng c\u00e1c m\u1ea1ng n\u00e0y. N\u1ebfu khu v\u1ef1c \u0111\u00e3 t\u1eaft 3G\/2G, t\u1eaft VoLTE c\u00f3 th\u1ec3 khi\u1ebfn kh\u00f4ng g\u1ecdi \u0111\u01b0\u1ee3c.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>B\u1eadt VoLTE l\u1ea1i nh\u01b0 th\u1ebf n\u00e0o?<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u00e0o C\u00e0i \u0111\u1eb7t &gt; Th\u1ebb SIM &amp; m\u1ea1ng di \u0111\u1ed9ng &gt; ch\u1ecdn SIM &gt; b\u1eadt l\u1ea1i Cu\u1ed9c g\u1ecdi VoLTE, kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y n\u1ebfu c\u1ea7n.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>VoLTE c\u00f3 t\u1ed1n data kh\u00f4ng?<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Cu\u1ed9c g\u1ecdi VoLTE th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00ednh nh\u01b0 cu\u1ed9c g\u1ecdi tho\u1ea1i th\u00f4ng th\u01b0\u1eddng theo g\u00f3i c\u01b0\u1edbc, kh\u00f4ng tr\u1eeb v\u00e0o data c\u1ee7a b\u1ea1n (t\u00f9y nh\u00e0 m\u1ea1ng).<\/span><\/p>\n<h2 style=\"text-align: justify;\"><b>K\u1ebft lu\u1eadn<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ec3 th\u1ef1c hi\u1ec7n <\/span><b>c\u00e1ch t\u1eaft VoLTE tr\u00ean OPPO<\/b><span style=\"font-weight: 400;\">, v\u00e0o C\u00e0i \u0111\u1eb7t &gt; Th\u1ebb SIM &amp; m\u1ea1ng di \u0111\u1ed9ng &gt; ch\u1ecdn SIM &gt; t\u1eaft Cu\u1ed9c g\u1ecdi VoLTE. Tuy nhi\u00ean n\u00ean c\u00e2n nh\u1eafc v\u00ec t\u1eaft VoLTE l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng g\u1ecdi; sau khi x\u1eed l\u00fd s\u1ef1 c\u1ed1 n\u00ean b\u1eadt l\u1ea1i.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><b>Xem th\u00eam:<\/b><\/p>\n<ul>\n<li style=\"text-align: justify;\"><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/danh-gia-oppo-find-x9\/\">\u0110\u00e1nh gi\u00e1 OPPO Find X9: flagship Dimensity 9500, camera Hasselblad, gi\u00e1 2026<\/a><\/li>\n<li style=\"text-align: justify;\"><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/oppo-find-x9-vs-find-x9s\/\">OPPO Find X9 v\u00e0 Find X9s kh\u00e1c g\u00ec? N\u00ean mua b\u1ea3n n\u00e0o?<\/a><\/li>\n<\/ul>\n<p><script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"C\u00e1ch t\u1eaft VoLTE tr\u00ean OPPO c\u00f3 \u1ea3nh h\u01b0\u1edfng g\u00ec?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Cu\u1ed9c g\u1ecdi s\u1ebd chuy\u1ec3n sang 2G\/3G n\u00ean ch\u1eadm k\u1ebft n\u1ed1i h\u01a1n, ch\u1ea5t l\u01b0\u1ee3ng tho\u1ea1i k\u00e9m h\u01a1n v\u00e0 c\u00f3 th\u1ec3 m\u1ea5t data khi \u0111ang g\u1ecdi. \u1ede n\u01a1i \u0111\u00e3 t\u1eaft 3G\/2G c\u00f3 th\u1ec3 kh\u00f4ng g\u1ecdi \u0111\u01b0\u1ee3c.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"V\u00ec sao m\u00e1y OPPO kh\u00f4ng c\u00f3 t\u00f9y ch\u1ecdn VoLTE?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"C\u00f3 th\u1ec3 do nh\u00e0 m\u1ea1ng ch\u01b0a k\u00edch ho\u1ea1t VoLTE cho SIM, m\u00e1y ch\u01b0a b\u1eadt 4G, ho\u1eb7c c\u1ea7n c\u1eadp nh\u1eadt c\u1ea5u h\u00ecnh nh\u00e0 m\u1ea1ng\/ph\u1ea7n m\u1ec1m.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"T\u1eaft VoLTE c\u00f3 ti\u1ebft ki\u1ec7m pin kh\u00f4ng?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u1ea2nh h\u01b0\u1edfng kh\u00f4ng \u0111\u00e1ng k\u1ec3 trong \u0111a s\u1ed1 tr\u01b0\u1eddng h\u1ee3p. 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VoLTE (Voice over LTE) l\u00e0 c\u00f4ng ngh\u1ec7 cho ph\u00e9p g\u1ecdi tho\u1ea1i qua m\u1ea1ng 4G v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng cao, k\u1ebft n\u1ed1i nhanh v\u00e0 v\u1eabn d\u00f9ng \u0111\u01b0\u1ee3c data khi [&hellip;]<\/p>\n","protected":false},"author":84,"featured_media":557513,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"c\u00e1ch t\u1eaft volte tr\u00ean oppo","_yoast_wpseo_title":"C\u00e1ch T\u1eaft VoLTE Tr\u00ean OPPO (ColorOS)","_yoast_wpseo_metadesc":"C\u00e1ch t\u1eaft VoLTE tr\u00ean OPPO ch\u1ea1y ColorOS chi ti\u1ebft, khi n\u00e0o n\u00ean t\u1eaft, h\u1ec7 qu\u1ea3 v\u00e0 c\u00e1ch b\u1eadt l\u1ea1i VoLTE \u0111\u1ec3 g\u1ecdi \u1ed5n \u0111\u1ecbnh. Xem chi ti\u1ebft t\u1ea1i Ho\u00e0ng H\u00e0 Mobile.","footnotes":""},"categories":[16,8],"tags":[],"class_list":["post-555980","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thu-thuat","category-thu-thuat-android"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>C\u00e1ch T\u1eaft VoLTE Tr\u00ean OPPO (ColorOS)<\/title>\n<meta name=\"description\" content=\"C\u00e1ch t\u1eaft VoLTE tr\u00ean OPPO ch\u1ea1y ColorOS chi ti\u1ebft, khi n\u00e0o n\u00ean t\u1eaft, h\u1ec7 qu\u1ea3 v\u00e0 c\u00e1ch b\u1eadt l\u1ea1i VoLTE \u0111\u1ec3 g\u1ecdi \u1ed5n \u0111\u1ecbnh. 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