Please follow the steps below:
1. Make sure your smart devices have already turned on the bluetooth function
2. Maker sure it's authorized the app to get the location access and bluetooth function access fully.
3. Put the device close to the robot, after 10 seconds, light turns into green from red, it means it's connected.
If still doesn't work, pls try to restart the devices, the bluetooth, the app.
Still not working, then delete the app and redownload to try again.
After all these moves still not working, pls contact our aftersale service for help.