GSM mobile phone tracking via IMEI number
IMEI, short for International Mobile Equipment Identity, is a 15-digit number for mobile devices. Each mobile phone has a unique IMEI number assigned by GSM association when it’s being produced and shipped. It has nothing to do with your service provider such as Sprint, AT&T, Verizon Wireless or T-mobile.
To check your mobile phone’s IMEI number, just type *#06# on the main screen and you will see it. In android there is another way to see your IMEI number. That is, under the status tab from settings, the tab name varies depends on Android version and your ROM. It’s worth mentioning that dual SIM handsets has two IMEI numbers. Always keep your number in a safe place, because each IMEI number is unique, you can use it to block or locate your stolen handset. Another good reason is that sometimes IMEI number could get lost when your flash a ROM that is not compatible with your phone. Such being the case you need to restore it. If you wanna learn how to change it on your handset, then check this out.
http://www.trackimei.com/ can help you locate your handset using the IMEI number, the process is simple, you just register with them and submit your IMEI number. Once their dealers find any mobile device having your IMEI number, and they will contact you.
There are still a few things you can do with IMEI number too. If you happen to lose your mobile device, report your IMEI number to your carrier and ask them to track down your mobile device. When the thief switch your handset on with any SIM card, it will search for networks and send the SIM and mobile information to the service provider via the nearest cell towers/base stations, that’s how the service providers pinpoint a cell phone’s location using the IMEI number.
Even if your service provider refuses to track your handset, you can still ask them to block your mobile device. By doing so your cell phone’s IMEI number will be blacklisted, blocked and stopped from connecting to the networks regardless of the service provider it uses. In other words, it can not be used to make calls or send SMS etc any longer.
Although you can ask your service operator to blacklist and block your handset, the chance for you to get it back is very thin. If you are serious about tracking your mobile device, install some mobile tracing apps on your phone in the first place. Once you misplace or lose your handset, you may find it a lot easier.
Both Android and iOS comes with phone tracking system preinstalled and it works very nicely, I strongly suggest you turning it on, I myself use it to keep an eye on my kid, which gives me peace of mind.