If you are experiencing issues connecting to VEX 123, there are recommended troubleshooting techniques.
First, ensure you are connecting your 123 Robot to your device properly. View the following articles on how to connect your 123 Robot to your device.
Next, ensure that Bluetooth is enabled and VEXcode 123 has permissing to use Bluetooth on your device. For more information on troubleshooting a Bluetooth connection, view these articles from the Knowledge Base.
If the problem still persists, you can troubleshoot the 123 Robot. View the following article for more information on how to troubleshoot your 123 Robot.