中華電信的VoLTE, 接通時4G連線轉為3G - 手機討論

By Christine
at 2017-12-11T17:02
at 2017-12-11T17:02
Table of Contents
上個禮拜在iOS 11.2發佈後,就去申請了VoLTE的服務,
剛申請的那幾天,播出與接電話,連線都是在4G的狀態,
但是這幾天發現,不過是播出或是接電話,連線都會轉成3G
不知道是中華電信的問題還是哪邊的問題
有人也有遇過類似的狀況嗎?
謝謝~
iPhone 7, iOS:11.2, ipcc:31.1
--
剛申請的那幾天,播出與接電話,連線都是在4G的狀態,
但是這幾天發現,不過是播出或是接電話,連線都會轉成3G
不知道是中華電信的問題還是哪邊的問題
有人也有遇過類似的狀況嗎?
謝謝~
iPhone 7, iOS:11.2, ipcc:31.1
--
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