iPhone 4S iOS 8.4.1 vs iOS 9.3 Final Version Speed Comparison Build 13E233 and 13E237 - YouTube
I have iphone 4s iOs 9.3.5 and i need to … - Apple Community
iPhone 4s Black (Verizon) A1387 16GB (GSM + CDMA) Very Good IOS 9.3.6 885909528905 | eBay
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 5 through iOS 9 speed test on iPhone 4s confirms iOS gets slower every year on older devices