OPPO R11s

Android 7.1

I can't make voice calls on my OPPO R11s Android 7.1

Cause 7 of 12: Your phone is overloaded for unknown reasons

If your phone is overloaded, you won't be able to 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 until your phone restarts.

Press On/Off.

Simultaneously, press and hold the Top volume key until your phone restarts.

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