Hello everyone,
I recently bought a replacement motherboard for my Garmin DriveSmart 61 LMT‑S because my original board was broken.
The new board works and the device powers on, but it only shows the message:

“System Software Missing”

Garmin Express does not detect the device, but Windows shows it as a Garmin Device in the Device Manager.
Does anyone know how to correctly flash the firmware (RGN) onto a new board or where to get the correct file for the DriveSmart 61?

Any help would be greatly appreciated!