OPPO A54 5G

Android 11.0

I can't make voice calls on my OPPO A54 5G Android 11.0

Cause 1 of 12: The phone is overloaded for unknown causes

If your phone is overloaded, you can't make any calls. It may help restarting it.

Step 1 of 2

Restart your phone

Press On/Off.

Step 2 of 2

Restart your phone

Simultaneously, press and hold the Top volume key and keep them both pressed until your phone restarts.

Press On/Off.

Simultaneously, press and hold the Top volume key and keep them both pressed until your phone restarts.