If the live tracking function can't works well in iGS620.
To fix the problem,you may try the following three tips:
1. Make sure the network of your phone is table.
2. Make sure iGPSPORT APP had been successfully connected with iGS620.
If the Bluetooth connection had been interrupted, the live tracking information may not be transfered to APP.
3. Make sure iGPSPORT APP hadn't been shut off by your phone.
Since some phones models with Andorid system may shut off the APP running in the backgrounde.
If the the link can't be accessible, pls contact with customer support for further analysis. thank you.