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Apple iPhone 12 Pro

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How to
Troubleshoot
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I can't make voice calls

This troubleshooting guide will take you through a number of possible causes to help you find a solution to your problem.

Apple iPhone 12 Pro
Apple iPhone 12 Pro

We found 10 possible causes:

  1. Your mobile phone is overloaded for unknown reasons
  2. Your SIM is faulty
  3. There's an error at the receiving end
  4. The selected network is out of range
  5. Roaming isn't activated in your rate plan
  6. There's no credit on your prepaid phone card
  7. Your number has been suspended
  8. Flight mode is turned on
  9. Not adequate network coverage
  10. There's a temporary network problem
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