Mobile phone how to prevent thieves: have a way to make the thief is not, hey! The sequence number to view the phone, just type in * # 0 6 #, 15 serial number will appear on the phone screen, every phone in the world has a unique sequence number, the sequence number to record and save. Call your cell phone provider, and provide the serial number of your phone, they will help you put the phone screen, so even if the thief for a SIM card, still can not use your cell phone to the thief is useless. If the whole world each phone owners do, then there is no sense of stealing mobile phones. In Australia, the police even set up a database of stolen mobile phone, if your phone is found, they can return it to you.