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Is the iPhone 4S's battery actually better than the iPhone 4's despite having less standby time? - Quora
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![iPhone 4 vs. iPhone 4S Specs Showdown - Fight! [Comparison Chart] | Cult of Mac](https://cdn.cultofmac.com/wp-content/uploads/2011/10/iphone-4s-numbers-5.jpg "iPhone 4 vs. iPhone 4S Specs Showdown - Fight! [Comparison Chart] | Cult of Mac")
iPhone 4 vs. iPhone 4S Specs Showdown - Fight! [Comparison Chart] | Cult of Mac
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Is the iPhone 4S's battery actually better than the iPhone 4's despite having less standby time? - Quora
Review: MiLi Power Spring - Prolong Battery Life Of Your iPhone 4S
iPhone 4S Battery Life Problems Befuddle Apple Engineers, Owners | HuffPost Impact
iPhone 4S Battery Life Worse for 3G Data and Media as Compared to iPhone 4 - MacRumors
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iPhone 4S Battery Life (Real-World Tests): EveryiPhone.com
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iOS 14.4 battery life measured!The score of the old iPhone actually improved a lot - News Directory 3
iPhone 4S delivers on talk time battery life - CNET
