Motor fails to upgrade

All the other motors and sensors can update except one.
I was told by my friend that I could try unplugging sensors and connect the problematic motor to port 1.
Tried but still fails.
FYI, I am using mac version of Vex IQ Firmware Update.

Hi johnslai,

We’re sorry that you have encountered this issue. If you have already tried to update the Smart Motor firmware on Port 1 of the Robot Brain, then please contact the VEX Technical Support group at support@vex.com or by calling +1-903-453-0802 so we can provide additional assistance.

Regards,

  • Art