First, install the Battery Calibration app : https://play.google.com/store/apps/details?...gn%3DAndroidPIT

o start, connect your device to charge until the battery reaches 100%.

Then open the Battery Calibration app and check the number of 'mV ' that are next to the percentage, a number that will continue to rise. If the number continues to grow even if the battery is at 100 %, continue to charge the phone.

When the numbers stop rising and the battery is charged to 100%, press the Battery Calibration button and then restart the device. The current level will be recorded as the point of maximum capacity and the old information is deleted in the Battery Stats when a new one with the correct data is created.

If this method didn’t work, try method 2.

Method 2

Go into recovery mode on your Android and navigate to the Advanced section where you will find the "wipe battery stats" option. This will erase any previously made ​​calibration either by the user or when having installed a ROM .

Second, you have to fully drain the battery and then connect the phone to the charger. This must be carried out without interruption and with the device off.

When the load reaches 100%, turn it on again without disconnecting from the charger and open the Battery Calibration application. Click on the center button, which will prompt SuperUser permissions to pop up that you will have to accept. Shortly after a message saying ‘calibration succeeded" will appear. Press OK, unplug the device from the charger and close the application.

That's it. Have you tried any of these methods? Do you know an alternative way to fix battery problems?