We support keyboard firmware upgrades using QMK Toolbox.

1.    Install and launch QMK Toolbox.

2.    Disconnect the keyboard USB cable (both PC1 and PC2).

3.    Connect the keyboard to PC1 while holding down the "U" key.

4.    Release the "U" key.

5.    The keyboard will enter BOOTLOAD mode.

6.    Download and extract the provided firmware file, then click "Open" and select the file (xxxx.bin).

7.    Click "Flash" to start the upgrade process.

8.    Once the firmware upgrade is complete, the keyboard will automatically reset.

9.    To reset to default settings, press and hold FN + ESC for more than 3 seconds.

Important: DO NOT DISCONNECT THE USB CABLE UNDER ANY CIRCUMSTANCES. This could cause the keyboard to malfunction or become unusable.