Make sure you have downloaded the XVIEW XV20 Dash Cam App to your smartphone.
Ensure WiFi is switched on in your mobile settings and select your dash cam from the device list.
Make sure you have entered the correct password for the device (12345678).
If the device is still not connecting correctly, forget the dash cam from the phone through the settings, reset the dash cam, reset the mobile phone, and then try again.
Check your phone has the latest software update and also check the app has been updated with the latest version.