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iApplebytes confirms iOS 13.5.1 has a worse battery life, geekbench 5 battery test is a intensive test. On my iPhone 11 i got around 9-10hours of screen on usage and on geekbench
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Controlled Testing Supports Apple's Claim of Nearly Equal iPhone 6s Battery Life With TSMC and Samsung Chips - MacRumors
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Will Apple's $29 Battery Replacement Actually Speed Up Your iPhone? Check Here « iOS & iPhone :: Gadget Hacks
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