How to update iPhone?
my iPhone changed the iOS version
[Edited by Moderator]
my iPhone changed the iOS version
[Edited by Moderator]
Is your device compatible to update to the new version? 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.
See: Update your iPhone, iPad, or iPod touch - Apple Support
Also note that selfies are not required here.
My iPhone changed the iOS 12
How to update iPhone?