Why won’t my 6s plus update to iOS 14
why won’t my iPhone 6s Plus update to iOS 14
iPhone 6s Plus, iOS 13
what version iOS do you have? If you're stuck at 12.4.8 then you really have an iPhone 6 Plus..
otherwise, here is a user tip that may help
2 replies
See if anything in this user tip written by forum member Lawrence Finch, helps --> Updating iOS: common issues and solutions - Apple Community
Why won’t my 6s plus update to iOS 14