iPhone 4S Battery Life (Real-World Tests): EveryiPhone.com
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Apple iPhone 4S - Battery life - AT&T
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In depth review: Apple's iPhone 4S running iOS 5 | AppleInsider
Battery Life - Apple iPhone 4S: Thoroughly Reviewed
iPhone 4S Battery Life Drain - It's a bug! Improve Battery w/ Simple Fix! - YouTube
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Testing the iPhone 4S' battery life - CNET
Battery Life of iPhone 4S Draining Too Fast? Try Calibrating the Battery | OSXDaily
Battery Life - Apple iPhone 4S: Thoroughly Reviewed
iPhone 4S: why has standby time dropped? | Technology | theguardian.com
Tips to Keep iPhone 4S Battery from Draining Fast | PCWorld
Battery life | Apple Wiki | Fandom
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Battery Saving Tips - The iPhone Book: Covers iPhone 4S, iPhone 4, and iPhone 3GS, Fifth Edition [Book]
iPhone 4 Tips - Battery Saving Secrets - YouTube
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How to Tweak iOS to Improve the Battery Life of Your iPhone, iPad, or iPod Touch - iClarified
