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iPhone 4 review | Engadget
Apple iPhone 4 review
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Apple iPhone 4 review
iPhone 4 announced, launching June 24 for $199 with new FaceTime video chat | Engadget
Apple Reaches Settlement to Pay $15 to Some iPhone 4S Owners Who Experienced Buggy Performance After iOS 9 Update - MacRumors
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iPhone 4s - Full Phone Information, Tech Specs | iGotOffer
Apple iPhone 4S review: Apple iPhone 4S - CNET
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iPhone 4S review - The Verge
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Apple iPhone 4 - Full phone specifications
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Apple iPhone 4s - Full phone specifications
iPhone 4S - Wikipedia
Identify your iPhone model - Apple Support
iPhone 4S - Technical Specifications
All Differences Between the iPhone 4 and iPhone 4S: EveryiPhone.com
iPhone 4S - Technical Specifications
