Apple iPhone 11 Pro Max

Apple iPhone 11 Pro Max

iOS 17
iOS 18 iOS 17 iOS 16.0 iOS 15.0 iOS 14.0 iOS 13.0

I can't make voice calls on my Apple iPhone 11 Pro Max iOS 17

Cause 9 of 10: There's no credit on your prepaid phone card

If there's no credit on your prepaid phone card, you can't make calls until you've topped it up.

Solution: Log on to My Vodafone to top up your prepaid phone card.

Apple iPhone 11 Pro Max

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