I want to update my iPhone 6 to iOS 16

iPhone 6 and iPhone 6 Plus can only be updated as far as iOS 12.5.7

iPhone 6s can only be updated as far as iOS 15.7.3

If you want to run iOS 16 versions, you will need a new phone

Hello ~ What model iPhone are you trying to update? Click below…

Identify your iPhone model - Apple Support

If you have an iPhone model that can be updated and working back three the article you came from is not helpful…click below

If your iPhone or iPad won't update - Apple Support

I Hope this helps.

~Katana-San~

The iPhone 6 cannot be updated to iOS 16. The hardware is not capable of handling it.