Talking to your friend and suddenly your phone shuts down and you don't know why because your battery was not dead????
Battery Calibration Pro is the best app to calibrate your battery. No root access required.
Battery Calibration Pro shows some battery stats such as temperature, charge level,etc.
1-Charge your phone until the battery is 100% full
3-Let the battery completely discharge
4-Charge the battery to 100%
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