What changed with update 13.01

To learn more about iOS 13 updates, please click here ➔ About iOS 13 Updates - Apple Support.

Note that current iOS version is iOS 14.3

You have an iPhone 6 and that can only be updated up to iOS version 12.5.1

Axel F.

See: About iOS 13 Updates - Apple Support

About iOS 13 Updates - Apple Support

not sure what you're looking for, you cannot update to iOS 13.

if your details are correct ands you have an iPhone 6, iOS 12 is the end of the line for that device