Hi, are you using Midihub Editor 1.13.1?
Make sure you’re currently on Midihub Editor 1.13.1, then try to upgrade the firmware through the bootloader:
- Power off the Midihub using the slide switch.
- Keep the button on Midihub pressed down.
- Power on the Midihub using the slide switch.
If it’s in bootloader mode, all the LEDs should be lit up.
Download the latest firmware from [Beta] Midihub Editor 1.13.1 & Firmware 1.13.0
Then in the Editor, Connect to the device, do Device → Flash Firmware…
Find and select the .bfw file you downloaded.
After the upgrade is done, try connecting to the device again, let us know how it goes.