iphone8中華4g訊號 - iOS

By Hedda
at 2017-10-09T09:32
at 2017-10-09T09:32
Table of Contents
想請問一下,
我剛換了iphone8,但是發現房間裡中華電信的訊號常常從4g跳回3g
原本以為是sim卡的關係,於是和家人交換sim卡試試
發現家人用samsungS7+我的sim卡卻都是顯示4g訊號
所以猜想應該不會是中華電信本身訊號的問題
(否則家人用我的sim卡應該也是會顯示3g才對)
請問iphone8有什麼設定會導致這種現象發生嗎?
還是iphone8的設定對於訊號強弱會比較敏感,
導致4g訊號較不好的時候很快就切回3g?
有人也有同樣的情形嗎??
--
我剛換了iphone8,但是發現房間裡中華電信的訊號常常從4g跳回3g
原本以為是sim卡的關係,於是和家人交換sim卡試試
發現家人用samsungS7+我的sim卡卻都是顯示4g訊號
所以猜想應該不會是中華電信本身訊號的問題
(否則家人用我的sim卡應該也是會顯示3g才對)
請問iphone8有什麼設定會導致這種現象發生嗎?
還是iphone8的設定對於訊號強弱會比較敏感,
導致4g訊號較不好的時候很快就切回3g?
有人也有同樣的情形嗎??
--
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