chameleon077, на английском:
1. after download the file , pls unzip the file , then copy it to a blank SD card .
2. put SD card into GPS slot , then turn off dvd ( make sure that you take key out of key ) , after 10 seconds , turn on dvd . then our dvd will automatically update ( and dvd is updating , do not touch it ) .
3. after finish update , pls take out of SD card from GPS slot