how to trace your friend using simple technique

hello !! if you  want to located your friend any where in pakistan , and you want to trace them here i have a simple method to share with you 

1. Take cell phone from your friend and dial *#06# , you will get a number that will contain 15 digits and is called IMEI NUMBER.
2. Now save this number in your cell phone.
3. When ever you want to trace your friend using that cell phone, send that IMEI code to imei@pta.gov.pk
4. you will get a complete information about their location , and will also tell you that which sim is now using on this mobile phone .
5. thanks for visiting