Connecting keyboard:
  • Before connecting the keyboard to the computer, make sure that the TRRS cable is firmly connected to the connectors on both halves
  • When connecting the keyboard to the computer, make sure the USB-C cable is firmly inserted into the connector
  • Never disconnect/connect the TRRS cable when the keyboard is powered

Customizing keyboard:
Please refer to the Vial guide
Updating firmware:
Before installation:
  • Download latest firmware here (remnant.uf2 file)
  • Save your current layout in Vial by clicking on a "File>Save current layout"

  • Connect the USB cable to the left half of the keyboard and press Layer key and Flash key simultaneously
  • Wait until controller enter bootloader mode and storage folder will open
  • Copy or move the Uf2 file and after that the controller should automatically reboot and work as usual
  • Import back your saved layout for Vial by clicking on a "File>Load saved layout"
Repeat the same installation process for the right half.

Video guide on how to update the firmware (english sub):