How to update my iPhone 6?
How to update my iPhone
[Re-Titled by Moderator]
iPhone 6s, iOS 14
Question marked as
An iPhone 6 can't be updated beyond 12.5.7, it doesn't have the hardware needed to run anything higher.
If you need a higher iOS version, you will have to purchase a newer phone.
If you have an iPhone 6S, you can update to iOS 15.8.
Go to Settings > General > Software Update.
This link will show you how to update your iPhone, iPad, or iPod touch using WiFi -
Update your iPhone or iPad - Apple Support
This link will show you how to update using your computer -
Update iOS on iPhone - Apple Support