Why does controlling CPU frequency require root access?

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                          According to this answer  one of the programs that requires root access is SetCPU that can lower the CPU frequency when the phone is not used thus prolong battery life.

I don't get one thing - why does that require root? What could be the harm in reducing the CPU frequency?

Asked by sharptooth (1208 rep)

Nov 21, 2011, 07:01 AM
Last activity: Apr 5, 2013, 09:06 PM

Why does controlling CPU frequency require root access?

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