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Tips Galaxy S2 is not a power eater!! Learn to Reduce power usage without root!

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http://androidforums.com – Just did a couple of tests on my unrooted Galaxy S2 i9100 running ICS 4.0.4. You see, I'm using Juice Defender Ultimate and I've noticed it enhance my battery life. But the problem is Apps cannot underclock the CPU without root access. I was scrolling around the Galaxy S2 settings and it occurred to me that two options for power saving is present. "System Power saving" and "Custom Power saving". At first galance I thought the "Custom" mode is the same as System Power Saving option but gives the ability to change how power saving is done... IT IS NOT!!! Both are (General)