I want to update my iPhone 6 to 13.

An iPhone 6 isn't capable of 13 or above.

(217347)

How can I upgrade my iPhone 6 to iPhone 13

Why can’t update iPhone 6 to iOS 13.0

As already mentioned, you cannot do so.

I think he’s saying he wants to purchase an iPhone 13

Because it does not have the required hardware.

GalBiNti wrote:

Why can’t update iPhone 6 to iOS 13.0