Cellular issue detected
How to solve this issue all by myself?
Hello diya218!
So I am just going to throw some Support Articles relating to your issue in here, and I hope that you will find something of assistance:
- If you see a Cellular, Ultra Wideband, or Apple Pay Issue message after an iOS update or restart - Apple Support
- Manually update your carrier settings on your iPhone or iPad - Apple Support
- Update your network provider settings manually on your iPhone or iPad – Apple Support
- If you see No Service, Searching, or SOS on your iPhone or iPad - Apple Support
- If you can't send or receive messages on your iPhone or iPad - Apple Support
- If you can't make or receive calls on your iPhone - Apple Support
I hope this is helpful. Good Luck!