[問題] 4G門號只收到3G訊號
如標題所述
昨天去換手機門號
之前都可以收到4G訊號今天就只有3G訊號可用而已
我手機是iphone
網路設定也從設置了 早上才去台灣大哥大門市換卡片(換了3張 = =)
設定裡面的行動網路也切換到4G了
重開機,交換手機測試都做了 確定不是手機的問題
有人有遇過這樣的問題嗎?
ps 早上去門市花了2個小時還是沒找到問題~“~
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