How high Will my iPhone 6 Get on iOS

Hello ~ Go to the black line above and click on iPhone and then the SE. You will be able to see the options and financing that is available. If you choose to purchase a second hand iPhone please take the time to read information below so that you can be aware of things to look out for:

Activation Lock for iPhone, iPad, and iPod touch - Apple Support

Also:

The All Too Common SAD Reality of Buying a Used iPad/iPhone

~Katana-San~

Why won’t an SE serve any purpose? It is Apple’s least expensive phone, and it supports iOS 15.

You can shop for refurbished phones from Apple and reliable 3rd party sellers. You should be careful, however→The All Too Common SAD Reality of Buying a Used iPad/iPhone

12.5.5 is currently the highest version supported on your 7+ year old phone. It’s hardware cannot run any later versions.