iPhone 4S - Wikipedia
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How to Fix the Battery Draining Issue on Your iPhone After Updating to iOS 6.1.3 « iOS & iPhone :: Gadget Hacks
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How to Fix iPhone 4S Battery Life
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iPhone 4s wont boot after battery replace… - Apple Community
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Fix Horrible iPhone 4S Battery Life With One Setting
Apple fixing iPhone 4S battery drain
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iPhone 4S Battery Replacement - iFixit Repair Guide
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Fix iPhone 4S Battery Issues With This Cydia Tweak | Redmond Pie
