Method of updating map Sex cam chips
If your device operates in MTP mode (Media Transport Protocol), change it from MTP to Mass Storage mode before you continue.
Now, follow steps 1-8 of the above procedure to download and install the map and other map related files directly to the SD card.
Move the JCV folder and its contents into the \Garmin folder of the SD card.
There may be some other folders and files that were downloaded into the \.system folder of the SD card.
The method involves acquiring current distance and attribute data form each route traversed using a test vehicle and updatin the map using the acquired data.
To use this procedure on these devices, you must first set your computer to expose the hidden \.system folder.If you use cloning on these models, you must take precautions to keep each map file smaller than 2 GB.Garmin Express and Garmin Map Updater include methods for installing maps to a SD card for most but not all devices.Some versions of Garmin Map Updater incorrectly delete this file or download it with an incorrect name.You may need to manually restore or rename the file after the map update.