This problem is usually caused by irregular charging patterns or incorrect applications. Flashing custom ROMs is also a known cause of drastic battery drain.

What does it mean to calibrate your battery?Why Battery Calibration Doesn't Work for Android Smartphones

The android system has a built -in indicator that tracks the level of charge that is still on the battery and this is how it knows when it is full or empty.

Sometimes, this data is corrupted and it starts showing incorrect information due to incorrect battery level detection. For example, your phone may shut down suddenly when there is still a large charge on your battery.

If this happens, you will definitely need to calibrate your battery. What battery calibration does is by simply resetting your battery statistics and generating a fresh battery file to clean up all the fake information and get the Android system to start displaying the correct data.

Before you start with battery calibration

1. Check if your battery is having a problemHow to know when your phone battery needs replacing | Mobile Fun Blog

If you have a removable battery, take it with you and check if it is not bloated or swollen as it may indicate a faulty battery which in that condition, calibrating will not differentiate it. You should replace your battery if you find physical damage or at least take it to a repair shop for expert opinion.

2. Clear the cache partitionHow to clear cache on Android in under 60 seconds - JoyofAndroid.com

Battery drain is a common complaint when upgrading to a new android version or flashing a custom ROM. Before you calibrate your battery, make sure you clear your cache partition.

To do this, reboot your device into recovery mode, scroll to “ Data / factory reset ” and click the “ Partition Cache Partition ” option.

Once that is done, you can continue with this tutorial.

Calibrate your battery on a non -rooted Android device

For non -rooted android devices, calibration is manual and can be a bit tricky. There is no guarantee it will work and sometimes, it can actually further harm your battery. But if you are having serious problems with your battery, you can decide to take a risk.

Follow these steps:

  • Let your phone discharge until it turns off due to low battery.
  • Charge your battery until it reads 100%. Do not turn on your device while charging!
  • Unplug your charger and turn off your phone.
  • Let it lie for 30 minutes then charge again for an hour. Do not use your device while it is installed.
  • Unplug your device and use it normally until the battery is completely drained again.
  • Then charge it to 100% again.

What this procedure accomplishes is to rest the battery file so that your battery now needs to be calibrated.

Calibrate your battery on a rooted Android device

For rooted users, the process is easier. Make sure your battery is fully charged before proceeding:

    1. Head to the Google Play Store and download the Battery Calibration app.
    2. Launch the application.
    3. Click the calibrate button. Grant application root access.
    4. Reboot your phone and use it normally until it reaches zero percent.
    5. Charge your phone again up to 100%.
    6. You should have a correct reading of the Android OS by now.

In conclusion

That’s all there is to tap your android battery. If this works for you, let us know in the comments section below. If none of the methods described above work for you, chances are your battery is damaged and may need to be replaced. Get an expert opinion and be sure to get an original replacement.