How to update iphone6plus

icloud53 Said:

"How to update iphone6plus: How to download Facebook in ios12.5.5 How to update iphone6plus"

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Why the Issue?

Incompatibility is the issue here...

Updating an iPhone:

What to Update: Installed apps and the iOS.

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 iOS15 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:

Go Here:  Update your iPhone Using a Computer - User Tip

Similar to downloading other apps in all iOS versions. Just open the App Store, search Facebook, and press on the "Get" button.

To update your iPhone 6 Plus, just go to Settings > General > Software Update. But for your particular model, the highest version you go up to is iOS 12.5.6

Facebook will not run on iOS 12.5.6, try using the web version.