Why can’t I upgrade my IOS on my iPhone 6S?
Why can’t I upgrade my ISO ?
iPhone 6 Plus, iOS 12
It is a 6 Plus
3 replies
The highest possible for that model is iOS 12.5.5.
iOS 13 and higher require an iPhone 6S or newer.
If it is running iOS 12.5.5, it can not be an iPhone 6S.
If this is not the case, post back with relevant details.
Why can’t I upgrade my IOS on my iPhone 6S?