Note: This hack is for NOKIA mobile phones only
* Nokia mobile phones come with an inbuilt facility to increase the Battery life.
* Suppose you want to make an important call and the battery is empty.
* Press *3370#
* Your phone will restart in few seconds and will show around 50% increase in the battery meter.
* Now you can make your call.
* Never allow your battery to get empty.
* Always use the original charger and battery as duplicates may lead to explosion due to overheating.
* Never make a call while the mobile is being charged. It overheats your cellphone.