If this message appears, there was an issue updating the cellular communication features of your iPhone or iPad. Your device can't make or receive calls or text messages or access cellular data.
[Re-Titled by Moderator]
monu294 Said:
"If this message appears, there was an issue updating the cellular communication features of your iPhone or iPad. Your device can't make or receive calls or text messages or access cellular data."
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Install a Cellular Update:
Seems you are being prompted to install a cellular update. So, go here for that. Update your carrier settings manually on your iPhone or iPad - Apple Support
monu294 Said:
"If this message appears, there was an issue updating the cellular communication features of your iPhone or iPad. Your device can't make or receive calls or text messages or access cellular data."
-------
Install a Cellular Update:
Seems you are being prompted to install a cellular update. So, go here for that. Update your carrier settings manually on your iPhone or iPad - Apple Support
This may help --> Cellular Update Failed No Service Signal … - Apple Community
Unable to access cellular services on my iPhone
