Problem with Update Firmware ConBee 2

Ha ok, so your stick is working, you just want to upate it ? But you have the same wrong device detected instead of the conbee.

13:56:53:754 ls dev: /dev/ttyACM0 (0x1106/0x3483) sn:

Can try to with USB 2.0, better than 3.0 for zigbee.