Thanks but I already instaled 6.1.14 beta from here (did not update to 6.1.21/29) and sot whit this rom(6.1.14) is 7+ hours whit 15% battery left so i'm pleased whit this result,for now will stay on eu 6.1.14.
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Did anyone compared battery life improvement between 6.1.14,6.1.21 and 6.1.29?