Here is a list of things that you need to know if you have a cell phone.
1. 112
The worldwide emergency number for your cell phone is 112! The number can be dialed even if your phone is locked anywhere in the world!
2. Unlock your car door
Say you locked your keys in your car or lost them, and you know someone you can call that has a spare. They can use the remote key thru your cell phone to unlock your car door or trunk. Just place your phone near your car while the person on the other end uses your remote key to open your door. If you have a remote starter you can start your car too!
3. Disable lost or stolen cell phone
First you'll need to dial *#06# and copy the 15 digit number down and put it somewhere safe. So if you lose your cell phone, you can call your service provider and give them the 15 digit number and they can canel your phone even if they change the sim card.
4. Enhanced sound quality for nokia phones
Type in *3370# on yur phone and it will use the best sound quality your phone has.
5. Cell phone reserve battery
Type in *3370# on your nokia phone. The phone wil l restart and you'll have 50% more battery life. Only on Nokia cell phones.
Source: www.isnare.com