iOS update on iPhone 5

Matswille Said:

iOS update on iPhone 5: How to update iOS 10.3 to 11 on iPhone 5"

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For 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 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:

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

These are the iOS options based on iPhone Model --> You need to Identify your iPhone model - Apple Support

• iOS 15.6.1 —> 6S / 6S Plus, SE (1st Gen and 2nd Gen), 7 / 7 Plus, 8 / 8 Plus, X, XR, XS /XS Max, 11,11 Pro /11 Pro Max, iPhone 12, 12 Mini, 12 Pro, 12 Pro max, iPhone 13, 13 Mini, 13 Pro, 13 Pro Max
• iOS 12.5.5 —> Final release supported on iPhone 5S, iPhone 6/6 Plus, 

Learn how to--> Update your iPhone, iPad, or iPod touch - Apple Support

Refer to the pic for more...

..An important security 'update' for iOS 12.5.x - available 31 August 2022 - for iOS 12.5.6..

• Apple releases iOS 12.5.6 for older iPhones | AppleInsider

https://appleinsider.com/articles/22/08/31/apple-releases-ios-1256-for-older-iphones

• About the security content of iOS 12.5.6 - Apple Support

//support.apple.com/en-us/HT213428

Available for:

iPhone 5s, iPhone 6, iPhone 6 Plus, iPad Air, iPad mini 2,

iPad mini 3, and iPod touch (6th generation.)

"Owners of the iPhone 6 or earlier will be alerted that an update is available..

Navigate to the Settings app, General, then select Software Update, to install iOS 12.5.6."

iOS 11 is not available for any iPhone now.