iphon update 14.2 verson
my iphon pleac update 14.2 verson
iPhone 6, iOS 12
Marking your own post as Solved may prevent others from trying to help because they think you have fixed your problem.
An iPhone 6 can't be updated past IOS 12.
See the Apple Support article(s) below.
iOS 14 and iPadOS 14 Compatible Devices
iOS 13 and iPadOS are compatible with these devices - Apple Support.