Turn off Bluetooth to save iPhone 4 battery
If you’re wondering why the supposedly much longer-lasting battery life of you shiny new iPhone 4 is not as great as you thought it would be, check your Bluetooth usage before you condemn your phone. The battery on the iPhone 4 is considerably larger than those [...]
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http://iphonetouch.blorge.com/2010/09/03/turn-off-bluetooth-to-save-iphone-4-battery/
