How to update my iPhone 6?

its hardware does not support higher than

• Last: iOS 12.5.7, released January 23, 2023[10]

from

iPhone 6 - Wikipedia

so it will never happen, never write your email address in a public forum it will make bots collecting mails addresses add you to a ton of spam mailing lists

tawhid192 wrote:

My iPhone 6 Software Update for ios14

Sorry, it is not possible.

That model can be updated to iOS 12.5.7, no further.

My iPhone 6 Software Update for ios14

This is not possible. No update is available

Hello~ Your question has been asked and answered repeatedly in the other thread you participate in which you continue to ask here. You cannot update your current iPhone.

~Katana-San~