How to increase your Battery efficiency and backup in Android 2.3.5 and other versions(ROOT NEEDED)

 

STEP 1: 1. Run down your device’s battery until it turns itself off

2. Turn it back on and wait for it to turn off again; this may be straight away of after a few minutes

3. Remove the battery for at least 20 seconds

4. Replace the battery and charge until full and then for at least another hour – while the device is off

5. Delete you batterystats.bin file using one of 3 methods (requires root): Terminal Emulator – type su then press enter, next type ‘rm /data/system/batterystats.bin’ (without quotes). Using a Battery Calibration App (from market) – there are many choices available, they just delete your batterystats.bin file. In market, search for battery calibration. Make sure to read review and provided info in case of device incompatibilities. Manually – if for any reason the previous two methods didn’t work you may want to try deleting the file manually. Using a file manager with root access (such as Root Explorer) navigate to ‘data/system/batterystats.bin’. Delete ‘batterystats.bin’

6. Your device will now creates itself a new batterystats.bin file with a correct 100% battery reading.

7. Run down the battery until it turns itself off

8. Turn on the device and charge for at least 8 hours

9. Unplug the device, turn off and charge for another hour

10. Unplug the device, turn on and wait for 2 minutes

11. Turn off and charge for another hour

12. Use the device as normal! 

OR SIMPLE Go to ROOT EXPLORER, MOUNT r/w 1. Then Open DATA

2. THEN Open SYSTEM

3. You will find a file batterystats.bin and delete that file and reboot