Help and Support for
OPPO A57s
Android 12.0
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I can't make voice calls on my OPPO A57s Android 12.0
Cause 15 of 15: 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: Top up your prepaid phone card on the Vodafone web page.
