New lease on life or death sentence? iOS 7 on the iPhone 4 | Ars Technica
Will iOS 9 slow down my iPhone 4s or iPhone 5/5s? Perhaps a little (Video) - 9to5Mac
iOS 8 for iPhone 4: Can You Upgrade? If Not, Which is the Latest Version?
Apple iOS 4 for iPhone 4, iPhone 3G, iPhone 3GS, iPod touch - P
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iPhone 4 iOS 7 Review Roundup
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Bring Your iPhone 4 Back Up to Speed with These 6 Easy Tweaks for iOS 7 « iOS & iPhone :: Gadget Hacks
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
Hands on iPhone 4 and the iOS 4 (iPhone OS 4) - YouTube