What do I do since phone says no cellular data and update is needed
Why is my iPhone saying no cellular data
iPhone 12 mini, iOS 14
Question marked as
I’d suggest if you haven’t already, to restart your phone as that can solve a lot of problems.
Otherwise this page should help with the lack of a cellular connection:
https://support.apple.com/en-us/HT201415
With regards to updating your phone, can you connect to a stable WiFi network?