How to increase battery life of AT&T Samsung Galaxy S II SGH-I777

If you had experience and somehow had trouble with the rapidly draining battery of your Samsung Galaxy S2 (SII) by AT&T. In most recent reports that the new AT&T Samsung Galaxy S II had a poor battery life.Others says...

Dealing with AudioOut_1 Partial Wakelock on Samsung Galaxy S2 that runs in Ice Cream Sandwich (Fix battery fast drain issue)

Recently, most Samsung Galaxy S2 users who are already upgraded to the latest Android 4.0.3 Ice Cream Sandwich (ICS) talking about the problem of a wakelocks as caused by the Audioout_1. This has been noticed by using Better Battery...