Troubleshooting Cannot find the serial port for the device
Digi XBee® 3 Cellular LTE Cat 1 AT&T Smart Modem User Guide
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Cannot find the serial port for the device
Condition
In XCTU, the serial port that your device is connected to does not appear.
Solution
1.
Click the Discover radio modules button .
2. Select all of the ports to be scanned.
3. Click Next and then Finish. A dialog notifies you of the devices discovered and their details.
4. Remove the development board from the USB port and view which port name no longer
appears in the Discover radio devices list of ports. The port name that no longer appears is
the correct port for the development board.