Apple iPhone 7

iOS 15.2

iOS 15.2 iOS 14.0 iOS 13.1 iOS 12.0 iOS 11.0 iOS 10.0

I can't make voice calls on my Apple iPhone 7 iOS 15.2

Cause 6 of 11: Your phone is overloaded for unknown reasons

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

Step 1 of 2

Restart your phone

Press and hold On/Off.

Step 2 of 2

Restart your phone

Simultaneously, press and hold the Bottom volume key until your phone is restarted.

Press and hold On/Off.

Simultaneously, press and hold the Bottom volume key until your phone is restarted.