I have i phone 6 plus with 16 gb internal storage and i am using ios 12.5.5 now i want to new update ios 13 or 14 help me to update my i phone

Sorry, the iPhone 6 Plus can not be updated beyond iOS 12.5.5.

You can’t , iPhone 6 Plus and power models can’t get update to newer iOS versions

Not possible. This is the 4th time you have been told a fact that will not change.

Iwat to update my iPhone

I have tried using beta.apple.com to get iOS 15 but when I open my iPhone 6 Plus it says it is up to date meanwhile it is still 12.5.5

please help me to update to iOS 13 or 15

Thank you

Please if I want to upgrade my iPhone 6 that is iOS 12 to iOS 13 how can I do it please???

You can't.