If APP fails to connect with your device iGS50E/iGS10/iGS618,pls try the following tips to fix the problem:
Firstly, pls try to update the APP and the device to the latest version and try again.
Secondly, pls try the following tips to reconnect :
1). Click the device>remove the device, then search again.
2). Restart the phone.
3). Restart the device.
4). Reinstall iGPSPORT APP then try again.
If it still can't work, pls help to provide us the following information for troubleshooting:
1). Phone model:
2). Some screenshots or a short video about the phenomenon.
A short video for connecting with APP for your reference.