OPPO R9s

OPPO R9s

Android 6.0.1

I can't make voice calls on my OPPO R9s Android 6.0.1

Cause 10 of 12: Your SIM is defective

You can check if your SIM is defective by inserting it in another phone.

Solution: Find the nearest Vodafone Shop to order a new SIM.

OPPO R9s

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