OPPO A17
It's not possible to make voice calls
Solution 10 of 11: 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.
Top up 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.
Top up your prepaid phone card.