Are you having any with your C406, like sensor drops or GPS sync delays , that prompted you to look into an update?
Tap the update button to begin the download and installation. Ensure your device is fully charged and remains near your phone during the process to avoid connection drops. magene c406 firmware update
footprint_model: # types: "point", "circular", "two_circles", "line", "polygon"
type: "polygon" #"circular"
radius: 0.38 # for type "circular"
#line_start: [-0.3, 0.0] # for type "line"
#line_end: [0.3, 0.0] # for type "line"
#front_offset: 0.2 # for type "two_circles"
#front_radius: 0.2 # for type "two_circles"
#rear_offset: 0.2 # for type "two_circles"
#rear_radius: 0.2 # for type "two_circles"
vertices: [ [0.26, 0.26], [0.26, -0.26], [-0.26, -0.26], [-0.26,0.26] ] # for type "polygon"