Sorry but I do not speak English too thin. I hope you understand me as much as possible.

GPS models that can be patched: Colorado, Dakota, Oregón, GPSmap 62x/78x, Edge 800.

1. Download firmware GPS model. If is a .exe open with Winrar, winzip,... and see where is the folder where is the file GUPDATE.GCD

2. The patcher can be downloaded here: [Only registered and activated users can see links. ]. Drag GUPDATE.GCD in the program and it will be patched. Rename again a GUPDATE.GCD the .GCD parched