Hi ILites, This information may not be new for some of you but it is very useful for all. To check your Mobile phone's serial number, key in the following digits on your phone: * # 0 6 # (works for GSM phones) A 15 digit code will appear on the screen. This is called the IMEI number (International Mobile Equipment Identity.... Wow i can add this in the Abbrv and Acronym Game list ). Anyways, this number is unique to your handset. Write it down and keep it with you. Should your phone get 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 your phone will be totally useless. You probably won't get your phone back, but at least you know that whoever stole it can't use/sell it either. If everybody did this, there would be no point in stealing mobile phones.