Apple will compensate those that used an iPhone 4S with iOS 9
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iOS update: Apple explains why these iPhone users get iOS update several weeks late - Times of India
Apple issues iOS 9.3.6 and iOS 10.3.4 updates for older iPhone and iPad models | AppleInsider
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How to Update My iPhone to iOS 15.4 - 2022 (2 Ways Tested 100% Worked) - YouTube
How to Turn on Automatic Updates on an iPhone in 2 Ways
Apple rolls out iOS 15.4.1 with critical security patch to iPhones | Deccan Herald
My iPhone 7 Won't Update! Here's Why & The Real Fix. | UpPhone
iOS 15.4 Is Now Rolling Out With A Huge Face ID Update You Can't Miss
iOS 10.3.4 & iOS 9.3.6 Updates for Older iPhone & iPad Models | OSXDaily
What is Apple's policy for supporting security updates on older versions of iOS? - Ask Different
If your iPhone, iPad, or iPod touch won't update - Apple Support
Apple fixes dozens of security flaws with iOS 15.4 — update your iPhone now | Tom's Guide
Should I update my iPhone to the latest version of iOS?
How to remove a software update download from your iPhone or iPad
