iPhone 5: Significant battery drain in standby

Discussion in 'iPhone' started by marekkurlmann, Oct 2, 2012.

  1. marekkurlmann macrumors regular

    Joined:
    Mar 6, 2007
    #1
    I'm experiencing significant battery drain with my new iPhone 5 when in standby mode--much worse than my iPhone 4. Last night, I charged both my iPhone 4 (running iOS 5) and iPhone 5 (iOS 6) to full capacity and let them sit idle for eight hours while I slept. When I woke up, the iPhone 4 was at 100% and the 5 was at 78%. Both had the same apps and options enabled (Bluetooth on, Wi-Fi on, brightness set at same level, etc.) The only difference besides the iOS version is that the 5 was connected to a cellular network when the 4 was not.

    What accounts for such drastic differences? And is there any known fix?
     

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