it is normal, marshmallow wine with performance problems battery and not only in the lg if not all the teams I've seen in the g4, in xperia until my G5 think q could last longer if it were not for android 6.0, talking to a counselor LG I commented q if they have that performance issue that you most likely to leave an update that you can solve that, the part of doze in my opinion if it works well, the problem is to use the equipment.