[問題] 雙卡機無法讀取WCDMA槽已回收
各位版友好
最近朋友從大陸帶回來一隻雙卡機
在SIM1是WCDMA/GSM格式
在SIM2是GSM格式
但是了很多次都只有SIM2可以收到訊號
SIM1皆顯示SIM卡+驚嘆號
我試過了中華電信與台灣大哥大的門號
雖然SIM2可使用
但在行動網路速度就比較慢些
想請問是否可以從手機去做設定的調整
改善SIM1無法讀取的問題呢?
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