Cant update firmware, can't check serial number

Hello everyone,
I am using an odrive v3.6 56v. when i try to update the firmware via : odrivetool dfu, i get the following code:

ODrive control utility v0.5.4
Waiting for ODrive…
Found ODrive 209030725432 (v3.6-56V) with firmware v0.5.3
Checking online for newest firmware… found v0.5.4
Downloading firmware v0.5.4…
Putting device 209030725432 into DFU mode…
found device but could not check serial number (retrying in 1s)
found device but could not check serial number (retrying in 1s)
found device but could not check serial number (retrying in 1s)
found device but could not check serial number (retrying in 1s)
found device but could not check serial number (retrying in 1s)
found device but could not check serial number (retrying in 1s)
found device but could not check serial number (retrying in 1s)
found device but could not check serial number (retrying in 1s)
found device but could not check serial number (retrying in 1s)
found device but could not check serial number (retrying in 1s)
found device but could not check serial number (retrying in 1s)

This keeps on going.

Does anyone know how I could fix this?

Kind regards
CM

Where did you buy this device?

yeah i bought it on aliexpress :)). Is there a way though to update the firmware though because except for not being able to opdate, the board works great.