But after replacing the battery I have a problem. I wanted to charge the new one to fully 100% but I could not exceed 93%.
After discharge and charge I've charged up to 80%. But I misured voltage on cell. is 4,2V. it looks like the battery is fully charged but the tablet can not read it well. I need some calibrations battery or something else? Android is not rooted. I have original Kitkat 4.4.