I want to update my iPhone

Akinyemi_idowu Said:

"I want to update my iPhone to iOS 13.1"

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Updating an iPhone 6 Plus Past to iOS 12:

You can't.  The iPhone will only install to iOS12. See here: Update your iPhone or iPad Software if you're Experiencing Issues with Location, Date, and Time - Apple Support. And, for the note, even if you could update, only the latest version will install: iOS 16.

For Future Reference...

Updating an iPhone:

Determining if an Update will Install:

How to do so...

A. Verify Compatibility:

Identify your iPhone model. The first thing that comes to mind in incompatibility being the culprit. So, confirm the model of your iPhone. If iPhone model is incompatible with iOS 16 then it is because you iPhone does not meet the hardware requirements for this iOS version(s).

B. If Compatible...

1. Back Up First:

IMPORTANT: If you have an option to update, however, then be certain you backup your iPhone first. That way, you will have something to restore your iPhone from should anything go wrong with the update

then...

2. Proceed with the Update:

• Use my User Tip:  Update your iPhone Using a Computer - User Tip

Your profile states that you have an iPhone 6 with iOS 12 installed. That is the highest (iOS 12) that you can update your iPhone 6. You will need a newer model iPhone to update to higher versions (iOS 15/16).

Axel F.

I want to update my iPhone to iOS 13.1

This is not possible. Your phone likely already has been updated as far as it can go.

Tap Settings > Tap General > Tap About

If the iOS Version is 12.5.6, that is far as your iPhone can go