1

From the question comments, you have not calibrated your battery (in a long time or ever). You need to do a proper calibration: Do a full charge of the device's battery. Use the device until it turns off on its own. Do a full discharge of the battery. One neat trick is to get some game that has wakelock (does not let the screen turns off) and leave it ...


Only top voted, non community-wiki answers of a minimum length are eligible