Suddenly, my iPhone showed a message that( cellular issue is detected on this iPhone and an update is required to use cellular data on this phone ) when it tried to update the iPhone it got struck on verifying update and then screen froze for 4 hours
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iPhone 12, iOS 16
See these Apple articles below:
If you see No Service, Searching, or SOS on your iPhone or iPad
If you see No Service, Searching, or SOS on your iPhone or iPad - Apple Support
Manually update your carrier settings on your iPhone or iPad
Manually update your carrier settings on your iPhone or iPad - Apple Support
Update your network provider settings manually on your iPhone or iPad
Update your network provider settings manually on your iPhone or iPad – Apple Support (UK)
If you see a Cellular, Ultra Wideband, or Apple Pay Issue message after an iOS update or restart
Did you resolve your issue?
"An update is required to use mobile data on this iPhone"
