Let's try the following steps:
Read ▶︎ Helpful Guide.
If that didn't work, then try a Hard Reset:
- Press volume up (quickly)
- Press volume down (quickly)
- Press and hold the power button until the Apple logo ( ) appears
If that didn't work, contact your service provider to ask if there is a network outage or if they could perform a reset from their server.
The last resort:
If that didn’t work, it could be a hardware issue. ⚠️
Get expert service and support at the Genius Bar.
▷ Call 1-800-MY-APPLE or get help here.