Basically, this is a communication path from 3G Power Amplifier (PA) to power controller. When the power controller detected a low voltage from PA, it will tell the PA to rise its power through another path.
Changing the resistor with higher resistance value will drop the voltage to the controller. Thus, the controller will assume that the current power is not enough
If many "tuned" phones of this kind are on the same cell , UL interference would increase big deal, and you would all experience degradation of 3G services ...
I think not a good idea ... this contrl of power in 3G is even more important than it was in 2G
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But this is the idea how to change your power control :-)
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