IPhone 6s 訊號變很差 - iOS

By Rae
at 2018-09-12T18:57
at 2018-09-12T18:57
Table of Contents
機型:iPhone 6s
iOS版本:11.4.1
問題描述:最近手機背光壞掉維修後發現網路異常的慢,剛好也有升級韌體,所以現在不
知道是手機硬體壞掉還是最新版的韌體問題?
本人是用台灣大哥大4G吃到飽方案
因為工作關係台中桃園台北三地跑
不管在哪一個縣市 網路都很慢
甚至有時直接跳3G很久 不然就是顯示4G
但實際是沒有網路的(室內戶外都一樣)
原本以為是sim卡問題
但到台哥大換過卡之後問題一樣沒有解決
請問有其他人有遇到一樣的問題嗎?
我這樣應該要怎麼解決呢?
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