how to make long life Mobile Battery making Tips

• If your mobile battery is troubling you in between your work and you feel like throwing away your set, then try these tips , they might be useful .
• Reserve battery: Nokia instrument comes with a reserve battery. To activate, press the keys *3370# Your cell will restart withthis reserve and the instrument will show a 50% increase in battery.Thisreserve will get charged when you charge your cell next time.