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Level 1

4 points

Unable to update my 5s

iPhone 5s, iOS 12

Posted on Oct 1, 2021 10:55 PM

Top-ranking reply

Community+ 2024

Level 10

413,922 points

Posted on Oct 2, 2021 12:13 AM

iOS 13 and higher requires 2GB RAM or more.

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

iOS 15 —> 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,

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