My friend update is iPhone 6s from iOS 11 to iOS 15 it finished updating but after it asked for the passcode the phone freezes shows the buffering symbol and takes him
8 Things to Know About the iPhone 6s iOS 11.4.1 Update
Identify your iPhone model - Apple Support
8 Things to Know About the iPhone 6s iOS 11.4.1 Update
All Topics — Apple iPhone 6S (iOS 11)
PSA: Don't install iOS 11 beta on your main iPhone unless you hate yourself | AppleInsider
Here are ten iOS 11 tips and tricks for your iPhone or iPad - MySmartPrice
iOS 11 Throttles iPhone 6 And 7 To Half Speed Most Of The Time
iOS 11: Everything we know about new Siri, Messages, Photos, Apple Pay and more | Macworld
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iOS 11 review: Major refinements shine, especially on iPad | Cult of Mac
Apple Releases iOS 11 With Revamped Lock Screen, Fresh App Store, New Siri Voice, and Updated iPad Interface - MacRumors
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What's new in iOS 11? The big features and supported devices | WIRED UK
iOS 11 - Wikipedia
iOS 16 might drop support for iPhone 6s and more old Apple devices | BGR
How to Download and Install iOS 11 Public Beta - Tutorials | KaaShiv Infotech
You won't get these iOS 15 features if you have iPhones 7 to 11 - PhoneArena
List of iOS 11 Compatible iPhone, iPad, and iPod Touch Models - MacRumors
iOS 11, thoroughly reviewed | Ars Technica
Testing the speed of iOS 11 versus iOS 12 on the iPhone 6 and iPad Mini 2 | AppleInsider
Iphone 6 IOS 9 vs IOS 11 (Speed Test)! - YouTube
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