There are a few things that can be done in times of grave emergencies. Your moble phone can actually be a life saver or an emergency tool for survival. Check out the things you can do with it:

FIRST: EMERGENCY
The Emergency Number worldwide for Mobile is 112. If you find yourself out of the coverage area of your mobile; network and there is an emergency, dial 112 and the mobile will search any existing network to establish the emergency number for you, and interestingly this number 112 can be dialed even if the keypad is locked. TRY IT OUT.

SECOND: HAVE YOU LOCKED YOUR KEYS IN THE CAR?
Does your car have remote keyless entry? This may come in handy someday. Good reason to own a cell phone: If you lock your keys in the car and the spare keys are at home, call someone at home on their cell phone from your cell phone. Hold your cell phone about a foot from your car door and have the person at your home press the unlock button, holding it near the mobile phone on their end. Your call will unlock. Saves someone from having to drive your keys to you. It also can unlock the trunk. It's been put to test and it works fine.

THIRD: HIDDEN BATTERY POWER
Imagine your cell battery is very low. To activate, press the keys *3370# and your cell will restart with the reserve power. The instrument will see a 50% increase in battery. The reserve will charge the next time you charge your cell.

FOURTH: HOW TO DISABLE A STOLEN MOBILE PHONE?
To check your mobile phone's serial number, key in the following digits on your phone *#0# . A 15 digit code will appear on the screen. This number is unique to yoru handset. When your phone gets stolen ,you can phone your service provider and give them this code. They will then be able to block your handset so even if the thief changes the SIM card, the phone will be useless.

FIFTH: FREE DIRECTORY SERVICE FOR CELLS - NOT 411
Cell phone companies are charging a fee to use 411 dialing for information calls. When you need to use the 411 information option, simply dial (800) FREE 411, or (800) 373-3411 without incurring any charges at all. Program this into your cell phone now.