TRICKS TO INCREASE ANDROID BATTERY LIFE:- 1- Reduce the brightness of your smartphone or enable the automatic dim option. 2- Reduce the volume of your smartphone. 3- Turn off your bluetooth when you're not using it. 4- Turn off your wifi when you're not using the internet 5- Turn off your GPS if you don't need to track your location 6- Turn off the vibration option as this consumes a lot of battery. 7- Use the power saver mode -- most smartphones have this option. 8- disable unused programs as some of these consume high power from CPU. 9- discharge your battery below 20% before recharging it again as this increases battery life.