Apple iPhone Xs

iOS 15.1

iOS 18 iOS 17 iOS 16.0 iOS 15.1 iOS 14.0 iOS 13.0 iOS 12.0

I can't make voice calls on my Apple iPhone Xs iOS 15.1

Cause 6 of 10: 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 3

Restart your phone

Press the Top volume key.

Step 2 of 3

Restart your phone

Press the Bottom volume key.

Step 3 of 3

Restart your phone

Press and hold the Bottom volume key until your phone restarts.

Press the Top volume key.

Press the Bottom volume key.

Press and hold the Bottom volume key until your phone restarts.

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