I need help with my batt life.. I installed CM7 on my DX and since this morning(its 11:30 am east) I lost 40% out of 100%... Im not good at the battery and cpu stuff so I need help to understand or a way to tweak it without &^$^%$ my Phone.
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You should first wipe your battery stats. Download the app Battery Calibrator. Charge your phone to 100%. Open the app. Do what it says, then unplug your phone and dont charge it till your phone dies. You should do this every time you switch roms.