iPhone problems
My iPhone 12 Pro Max is telling I have cellular updated failed when I try and put my SIM card, what do I do? It is updated to the 15.1 IOS.
iPhone 12 Pro Max
Question marked as
Kelseyy24 wrote:
My iPhone 12 Pro Max is telling I have cellular updated failed when I try and put my SIM card,
See this Apple articles below::
Manually update your carrier settings on your iPhone or iPad
https://support.apple.com/en-us/HT201270
If you see 'invalid SIM' or 'no SIM' on your iPhone or iPad
https://support.apple.com/en-us/HT201420
Set up cellular service on iPhone
https://support.apple.com/en-gb/guide/iphone/iph3f11fba92/ios