Device Guides

Apple iPhone XR

Change device
iOS is the operating system software installed on your iPhone. To find out which version you have: Tap Settings, Tap General, Tap About, and view the version number.
Change device

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 XR
Apple iPhone XR

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
Email this guide

Would you like information for your {device-name}?

Would you like

Information for one of these devices?

No thanks