wwhen i first bought it and tested its battery, it was 2980mAh, but not after only more than 1 week, it was down to 2800mAh. IT can't loss capacity so fast, is there some problem with my XZ?
I'm afraid I do not understand what you mean when you write that you reset the battery. However, if you suspect that something is wrong with your battery then I strongly recommend that you have it checked at an authorized service center. You may contact your Local support in order to be assisted in doing so.
So can you tell me why my battery capacity is now inly more than 2600mAh while i do not play games while charging, turn off when charging... after only more than 1 week using
Battery performance can decrease over time, however it isn't possible for me to determine if what you're experiencing is expected or not. If you suspect that something in wrong then I recommend that you have your device examined at an authorized service center.
