Apple iPhone 5s

iOS 11.0

iOS 12.0 iOS 11.0 iOS 10.0 iOS 9.0 iOS 8 iOS 7

I can't make voice calls on my Apple iPhone 5s iOS 11.0

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 the Home key.

Step 2 of 2

Restart your phone

Simultaneously, press and hold On/Off until your phone restarts.

Press and hold the Home key.

Simultaneously, press and hold On/Off until your phone restarts.