After I did the iOS 15.3.1 update, now I can't make or receive calls on my iPhone 8 Plus
After I did the iOS 15.3.1 update, now I can't make or receive calls on my iPhone 8 Plus
Cellular Update Failed —> If you see an Update Failed or Apple Pay Not Available alert after iOS update or restart
If you are unable to make a call or receive; If you can't make or receive calls on your iPhone - Apple Support
