[問題] 中華最近收訊？ 還是手機問題？
手機是BF2、地點在高雄
以前在房間內，訊號都是很穩定的4G
最近常常在需要連線時斷線，然後訊號就變成3G了
剛剛還發生聯絡人全部不見，重插sim卡才恢復...
這到底是哪個問題呢？ 中華？手機？SIM卡？
大家最近中華訊號會不穩嗎？
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