iOS 5 through iOS 9 speed test on iPhone 4s confirms iOS gets slower every year on older devices
iPhone 4S Official iOS 9 - Review (4K) - YouTube
Vodafone warns iPhone 4S owners not to upgrade to iOS 6.1
iPhone 4S iOS 9 Beta 5 vs. iPhone 4 iOS 7 - App Opening Speed Test! - YouTube
Apple iPhone 4S Firmware iOS Update 9.3.5 Download | TechSpot
iPhone 4S iOS 7.1.2 vs 8.0.2 - YouTube
Is the latest iOS 9 known to be a slightly harsh operating system for the older model iPhone 4s and should it be updated? - GIGAZINE
Review: Apple iPhone 4S (16GB/32GB/64GB) | iLounge
iOS 8 on the iPhone 4S: Performance isn't the (only) problem | Ars Technica
![Speed Test Compares iOS 5 Through iOS 9 on an iPhone 4S [VIDEO] • iPhone in Canada Blog](https://cdn.iphoneincanada.ca/wp-content/uploads/2016/02/iphone-4s-speedtest-1.jpg "Speed Test Compares iOS 5 Through iOS 9 on an iPhone 4S [VIDEO] • iPhone in Canada Blog")
Speed Test Compares iOS 5 Through iOS 9 on an iPhone 4S [VIDEO] • iPhone in Canada Blog
Apple iPhone 4s - Full phone specifications
New Untethered Jailbreak For iOS 9.3.4 Released, Only Supports iPhone 4S For Now - iOS Hacker
Gadget Daddy: Is the end really near for 7-year-old iPhone 4S lawsuit?
Apple iPhone 4S (iOS8) - Optus
Will iOS 9 slow down my iPhone 4s or iPhone 5/5s? Perhaps a little (Video) - 9to5Mac
Apple's Latest iOS Update Promises Better iPhone 4S and iPad 2 Performance - WSJ
iPhone 4S iOS 9.3.4 Performance - Final Update - YouTube
Apple Reaches Settlement to Pay $15 to Some iPhone 4S Owners Who Experienced Buggy Performance After iOS 9 Update - MacRumors
How to officially downgrade your Apple iPhone 4s to iOS 6.1.3
![discussion] hello. i downgraded my iphone 4s to ios 9 to ios 6. works youtube, facebook. but the messenger doesn't work, it's hard to fix. I also installed other tweaks, but the](https://i.redd.it/discussion-hello-i-downgraded-my-iphone-4s-to-ios-9-to-ios-v0-pis6rhegapw81.jpg?width=3024&format=pjpg&auto=webp&s=f52bbd16b56e374894b2feb922914a3c8a9b0a7a "discussion] hello. i downgraded my iphone 4s to ios 9 to ios 6. works youtube, facebook. but the messenger doesn't work, it's hard to fix. I also installed other tweaks, but the")
discussion] hello. i downgraded my iphone 4s to ios 9 to ios 6. works youtube, facebook. but the messenger doesn't work, it's hard to fix. I also installed other tweaks, but the
iOS 9.2.1 makes speed boosts for users with Apple's older iPhone 4s and 5 | AppleInsider
Apple iPhone 4S review: Apple iPhone 4S - CNET
Use internet browser - Apple iPhone 4S - Optus
