If you downloaded iOS 9 on an iPhone 4s, you may be entitled to a refund check

Apple reaches class-action settlement over ‘decreased performance.’

The Ultimate Guide to Bypassing iCloud Activation in iOS 9.3- Dr.Fone

Apple hit with class action lawsuit over iOS 9's performance on older iPhones - 9to5Mac

How Can I Update or Upgrade Jailbroken iPhone/iPad to iOS 9

Grade A Fully Tested & 12 Months Warranty Included. 1 x User manual. 1 x Box (sealed). The pictures are for reference only.

Apple iPhone 4s - 32GB - Black/white (Unlocked) A1387 (CDMA + GSM) IOS9 Sealed 885909526383

iOS 15.4 lets more people download iOS software updates via 4G LTE cellular data : r/apple

iPhone 4s on 9.3.5 cannot get unlimited passcode attempts : r/setupapp

12 Solutions for iPhone Error 56 or Error Code 56 iTunes

fluff] 64gb iPhone 4s updated from slow iOS version (7 I think) to faster one given by friend : r/LegacyJailbreak

Full Guide on How to Update iPhone 4/4S to iOS 9

question] Recently got my hands on an iPhone 4 running iOS 7.1.2. Should I jailbreak it? Btw it's a 32gb white, I also need to replace the battery. : r/LegacyJailbreak

Grade A Fully Tested & 12 Months Warranty Included. The pictures are for display only, and there are traces on the appearance. Very slight marks, even

📱 Apple iPhone 4s 32GB - Unlocked Grade A Condition IOS9 phone sealed 📱

How to check if my iPhone is brand new or refurbished - Quora