iOS 4 | Apple Wiki | Fandom
Review: iOS 4 is a Welcome Evolution to the Best Smartphone Platform | Cult of Mac
iOS 4 Has Been Rebuilt as an iPhone App | PCMag
iPhone 4 review | TechRadar
How are you organizing your iOS 4 Folders? | iMore
iOS 4.1 Game Center Compatible Games in One Place | Redmond Pie
Ars reviews iOS 4: what's new, notable, and what needs work | Ars Technica
An 18-Year-Old Developer Successfully Recreates iOS 4 as an iPhone App; Calls It 'Close to Pixel-Perfect'
Flashback: iOS 4 adds multitasking, FaceTime and other important features - GSMArena.com news
iOS 4 review | iMore
Accidental iOS 4 Wallpaper — Basic Apple Guy
The evolution of iOS | Computerworld
iOS 4 Brought Back to Life by Young Tech Enthusiast, Twitter Loves It | Technology News
iOS 4 Features: MultiTasking, Folders, and Much More - MacRumors
The Evolution of Apple iOS: From iOS 1 to iOS 13
Features iOS 4 Is Still Missing | Cult of Mac
Facebook App Is Finally iOS 4-Compatible. Fast App Switching, High Rez Graphics | TechCrunch
iPhones Compared on Original iOS Versions - iOS 4 vs 5 vs 6 vs 7 vs 8 vs 9! - YouTube
First Look: Apple's iOS 4 for iPhone, iPod touch | AppleInsider
Accidental iOS 4 Wallpaper — Basic Apple Guy
Flashback: iOS 4 adds multitasking, FaceTime and other important features - GSMArena.com news
Preview: Five reasons to run iOS 4 for iPad - Software - CRN Australia
The Best iOS 4-Ready Apps So Far | TechCrunch
/cdn.vox-cdn.com/uploads/chorus_asset/file/22649712/VLS_4381_1_1.jpg "iOS 4 has been lovingly recreated as an iPhone app - The Verge")