Apple iPhone 15 Pro Max

iOS 17

iOS 18 iOS 17

I can't make voice calls on my Apple iPhone 15 Pro Max iOS 17

Cause 1 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 Side button until your phone restarts.

Press the Top volume key.

Press the Bottom volume key.

Press and hold the Side button until your phone restarts.

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