iOS 9 Improves Battery Life
Jun 8, 2015, 1:13 PM by Rich Brome @richbrome
Apple's iOS 9 will boost iPhone battery life in two ways. A new low-power mode can be switched on to extend battery life up to three hours, according to the company. Additional under-the-hood changes improve battery life one hour in typical usage scenarios, in all modes.
source: Apple
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