why can’t I update my iOS?on my iPhone
I have not been able to receive calls with my iPhone since August and am unable to on my data I need your help on my device
iPhone 6, iOS 12
Question marked as
An iPhone 6 can't be updated past IOS 12.5.6.
See the article(s) below.
IOS 15 and iPadOS 15 Compatible Devices. *
iOS 14 and iPadOS 14 Compatible Devices. *
iOS 13 and iPadOS are compatible with these devices - Apple Support. *
See if anything here helps.
iPhone - If you can't make or receive calls
iPhone/iPad - No Service or Searching.
iPhone - If you see 'invalid SIM' or 'no SIM' on your iPhone or iPad