{"id":557490,"date":"2026-06-18T09:19:51","date_gmt":"2026-06-18T02:19:51","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=557490"},"modified":"2026-06-18T09:19:51","modified_gmt":"2026-06-18T02:19:51","slug":"iphone-tu-giam-sang","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/iphone-tu-giam-sang\/","title":{"rendered":"iPhone T\u1ef1 Gi\u1ea3m S\u00e1ng: Nguy\u00ean Nh\u00e2n & C\u00e1ch Kh\u1eafc Ph\u1ee5c Tri\u1ec7t \u0110\u1ec3"},"content":{"rendered":"

Hi\u1ec7n t\u01b0\u1ee3ng iPhone t\u1ef1 gi\u1ea3m s\u00e1ng (m\u00e0n h\u00ecnh t\u1ef1 t\u1ed1i \u0111i d\u00f9 b\u1ea1n kh\u00f4ng ch\u1ec9nh) khi\u1ebfn nhi\u1ec1u ng\u01b0\u1eddi kh\u00f3 ch\u1ecbu khi \u0111ang xem phim, ch\u01a1i game hay d\u00f9ng ngo\u00e0i tr\u1eddi. Th\u1ef1c t\u1ebf, \u0111a s\u1ed1 tr\u01b0\u1eddng h\u1ee3p l\u00e0 do c\u00e1c t\u00ednh n\u0103ng t\u1ef1 \u0111\u1ed9ng c\u1ee7a iOS (\u0111\u1ed9 s\u00e1ng t\u1ef1 \u0111\u1ed9ng, True Tone, b\u1ea3o v\u1ec7 khi n\u00f3ng m\u00e1y) ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u1ed7i m\u00e0n h\u00ecnh. B\u00e0i vi\u1ebft ph\u00e2n t\u00edch \u0111\u1ea7y \u0111\u1ee7 nguy\u00ean nh\u00e2n iPhone t\u1ef1 gi\u1ea3m s\u00e1ng v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c t\u1eebng tr\u01b0\u1eddng h\u1ee3p, gi\u00fap b\u1ea1n ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e1ng theo \u00fd mu\u1ed1n.<\/p>\n

C\u00e1c nguy\u00ean nh\u00e2n iPhone t\u1ef1 gi\u1ea3m s\u00e1ng v\u00e0 c\u00e1ch x\u1eed l\u00fd<\/h2>\n\n\n\n\n\n\n\n\n\n\n
Nguy\u00ean nh\u00e2n<\/th>\nBi\u1ec3u hi\u1ec7n<\/th>\nC\u00e1ch x\u1eed l\u00fd<\/th>\n<\/tr>\n<\/thead>\n
\u0110\u1ed9 s\u00e1ng t\u1ef1 \u0111\u1ed9ng (Auto-Brightness)<\/td>\nM\u00e0n t\u1ef1 t\u0103ng\/gi\u1ea3m theo \u00e1nh s\u00e1ng m\u00f4i tr\u01b0\u1eddng<\/td>\nT\u1eaft trong C\u00e0i \u0111\u1eb7t > Tr\u1ee3 n\u0103ng > Hi\u1ec3n th\u1ecb<\/td>\n<\/tr>\n
True Tone<\/td>\nM\u00e0u\/\u0111\u1ed9 s\u00e1ng thay \u0111\u1ed5i theo \u00e1nh s\u00e1ng ph\u00f2ng<\/td>\nT\u1eaft True Tone n\u1ebfu kh\u00f4ng th\u00edch<\/td>\n<\/tr>\n
N\u00f3ng m\u00e1y (overheating)<\/td>\nM\u00e0n t\u1ed1i khi ch\u01a1i game\/s\u1ea1c\/n\u1eafng n\u00f3ng l\u00e2u<\/td>\n\u0110\u1ec3 m\u00e1y ngu\u1ed9i, tr\u00e1nh d\u00f9ng khi qu\u00e1 n\u00f3ng<\/td>\n<\/tr>\n
Ch\u1ebf \u0111\u1ed9 ngu\u1ed3n \u0111i\u1ec7n th\u1ea5p (Low Power Mode)<\/td>\nM\u00e0n gi\u1ea3m s\u00e1ng \u0111\u1ec3 ti\u1ebft ki\u1ec7m pin<\/td>\nT\u1eaft ch\u1ebf \u0111\u1ed9 ti\u1ebft ki\u1ec7m pin khi c\u1ea7n s\u00e1ng<\/td>\n<\/tr>\n
Night Shift \/ Gi\u1ea3m \u0111i\u1ec3m tr\u1eafng<\/td>\nM\u00e0n ng\u1ea3 v\u00e0ng\/t\u1ed1i h\u01a1n v\u00e0o t\u1ed1i<\/td>\nT\u1eaft Night Shift, ki\u1ec3m tra Gi\u1ea3m \u0111i\u1ec3m tr\u1eafng<\/td>\n<\/tr>\n
Attention Aware (Face ID)<\/td>\nM\u00e0n m\u1edd khi b\u1ea1n kh\u00f4ng nh\u00ecn v\u00e0o m\u00e1y<\/td>\nT\u1eaft ‘T\u00ednh n\u0103ng c\u1ea3m nh\u1eadn ch\u00fa \u00fd’<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\"iphone-tu-giam-sang-1\"<\/p>\n

C\u00e1ch 1: T\u1eaft \u0111\u1ed9 s\u00e1ng t\u1ef1 \u0111\u1ed9ng (Auto-Brightness)<\/h2>\n

\u0110\u00e2y l\u00e0 nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t khi\u1ebfn m\u00e0n \u0111i\u1ec7n tho\u1ea1i iPhone<\/a><\/strong> t\u1ef1 s\u00e1ng\/t\u1ed1i:<\/p>\n

    \n
  1. V\u00e0o C\u00e0i \u0111\u1eb7t > Tr\u1ee3 n\u0103ng (Accessibility) > M\u00e0n h\u00ecnh & C\u1ee1 ch\u1eef (Display & Text Size).<\/li>\n
  2. K\u00e9o xu\u1ed1ng d\u01b0\u1edbi, t\u1eaft “\u0110\u1ed9 s\u00e1ng t\u1ef1 \u0111\u1ed9ng (Auto-Brightness)”.<\/li>\n<\/ol>\n

    Sau khi t\u1eaft, \u0111\u1ed9 s\u00e1ng s\u1ebd gi\u1eef theo m\u1ee9c b\u1ea1n \u0111\u1eb7t th\u1ee7 c\u00f4ng, kh\u00f4ng t\u1ef1 thay \u0111\u1ed5i theo m\u00f4i tr\u01b0\u1eddng.<\/p>\n

    \"iphone-tu-giam-sang-2\"<\/p>\n

    C\u00e1ch 2: T\u1eaft True Tone<\/h2>\n

    True Tone t\u1ef1 \u0111i\u1ec1u ch\u1ec9nh m\u00e0u v\u00e0 \u0111\u1ed9 s\u00e1ng theo \u00e1nh s\u00e1ng ph\u00f2ng, \u0111\u00f4i khi g\u00e2y c\u1ea3m gi\u00e1c m\u00e0n t\u1ed1i\/ng\u1ea3 m\u00e0u:<\/p>\n

      \n
    1. V\u00e0o C\u00e0i \u0111\u1eb7t > M\u00e0n h\u00ecnh & \u0110\u1ed9 s\u00e1ng (Display & Brightness).<\/li>\n
    2. T\u1eaft True Tone (ho\u1eb7c v\u00e0o Trung t\u00e2m \u0111i\u1ec1u khi\u1ec3n, gi\u1eef thanh \u0111\u1ed9 s\u00e1ng \u0111\u1ec3 b\u1eadt\/t\u1eaft nhanh).<\/li>\n<\/ol>\n

      \"iphone-tu-giam-sang-3\"<\/p>\n

      C\u00e1ch 3: X\u1eed l\u00fd khi m\u00e1y n\u00f3ng (gi\u1ea3m s\u00e1ng b\u1ea3o v\u1ec7)<\/h2>\n

      Khi iPhone qu\u00e1 n\u00f3ng (ch\u01a1i game n\u1eb7ng, v\u1eeba s\u1ea1c v\u1eeba d\u00f9ng, \u0111\u1ec3 ngo\u00e0i n\u1eafng), m\u00e1y t\u1ef1 gi\u1ea3m s\u00e1ng \u0111\u1ec3 h\u1ea1 nhi\u1ec7t v\u00e0 b\u1ea3o v\u1ec7 linh ki\u1ec7n. \u0110\u00e2y l\u00e0 c\u01a1 ch\u1ebf b\u1ea3o v\u1ec7, kh\u00f4ng ph\u1ea3i l\u1ed7i. C\u00e1ch x\u1eed l\u00fd:<\/p>\n