how to track a cell phone location for free

Procedure of how to track a cell phone or mobile location for free using number or imei and gps. Now a day every body has a mobile phone , it had become the most essential part of our life , since we are now completely dependent on our cell phone for business use as well as family and private use both . but suppose some one steal , or if we lost our cell phone , then it will be really become a big problem because first of all it is very expensive , second is it contains our several important data , even some private and confidential data . if phone is lost then there is a big loss of money as well important and confidential data in mobile . a part from that we lost all our important contact numbers . hence the biggest question is how to overcome this problem . Hence guys I am going to show here different way how to track mobile with imei number or mobile number . the phone tracking process is different for different cell phones . Hence I am going to explain here the process of how to track a lost mobile phone of android , symbian , as well as china mobile , or simple java handset. The location tracing process is following --