If device is getting disconnected midway, then please check the below points:-
1. The signal strength should be strong on both your phone and the Teewe device.
2. Kindly ensure that less number of devices are connected to the Wi-Fi network.
3. Try restarting the router, your network may be clogged.
4. Try to configure your Wi-Fi router according to the settings mentioned in the link below-
http://teewe.in/wifisettings