iPhone 3GS and iPhone 3G compatible with iOS8? - YouTube
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iPhone 3G | The iPhone FAQ
iOS 4.1 on iPhone 3G speed + performance | OSXDaily
iPhone 3GS Review
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Full Working Apple iPhone 3G - 16GB - Black (AT&T) unlocked GSM IOS 4 | eBay
Apple iPhone 3G specs - PhoneArena
Steve Jobs on Lack of Custom Wallpapers in iOS 4 for iPhone 3G | MacRumors Forums
iPhone 3G, iOS 4, and you -- what's missing (spoiler: multitasking) | Engadget
Rumor: iPhone 3GS Won't Get iOS 5 - MacStories
IOS11 for iPhone 3GS - Complete process after ROOT - 2018 - YouTube
How to unlock iOS 4.2.1 on iPhone 3G and iPhone 3GS with ultrasn0w | OSXDaily
Get iOS 6 On iPhone 2G, 3G & iPod touch 1G, 2G With Whited00r 6
First-gen iPhone SE still runs the latest iOS – and it's good - 9to5Mac
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The evolution of iOS | Computerworld
iPhone OS 3 - Wikipedia
RARE iOS 2.0 iPhone 3G 8GB 16GB Black White A1241 Tested 100% WORKING! UNLOCKED | eBay
Apple drops iPhone 3G from iOS 4.3 updates - 9to5Mac
iOS 4.1 vs iOS 4.0 on iPhone 3G - SoyaCincau
The evolution of Apple's iPhone | Computerworld
iPhone Dev-Team Releases iOS 4.2.1 Unlock for iPhone 3G, 3GS - iClarified
iPhone 3G Users Complain of Slowdown on Upgrade to iOS4 | WIRED
