Firstly ,please turn on the gps option in the setting->location ->on
you can also use gps demo to test :
http://service.telpo.net:8091/index/user/fetfile?key=S1xjyoH80NLCBcKZ
Kindly note:The software shows up in Star Search, cold boot will slow the first location,The second time you open it, it's gonna be fast,This is the basic representation of all GPS.