Deep Sleep Battery Saver Pro Full APK v2.0Requirements: Android 2.1+Overview: Deep Sleep Battery Saver ProDuring deepsleep mode, Wifi, 3G are turned off, background apps are stopped. Therefore, most apps are not working, including Facebook, Google Service, etc,. It then constantly wakes up in order to download email, sync Facebook status, etc,. It's defined by deepsleep frequency and woke up