My iPhone says no service.
My iPhone says no cellular data or service is available. The operating system is up to date. My wife’s phone is fine
iPhone 7, iOS 14
Question marked as
'If you can‘t make or receive calls on your iPhone' click here --> https://support.apple.com/HT204027
'If you see No Service or Searching on your iPhone or iPad' click here --> https://support.apple.com/HT201415
With an iPhone 7 look at this document:
iPhone 7 Repair Program for "No Service" Issues - Certain US and Asian models