hi there

i have an ersin double din device that runs igo 8.3.5, im not sure how old the software is. i would like to update the maps to the latest version i possibly can. the files run on an sd card which is inserted in the front of the unit.

any help will be much appreciated
here are some photos of the the about files adn the files on the sd card

http://postimg.org/gallery/1ofedtbfu/

The usual way to do this is to replace the whole installation with a cracked version available from here, it's best to use a different card and keep the original untouched.
Make sure the path to the exefile on the new card matches the path on the original card.