I feel so stupid right now. So I make a backup of the stock data.zip, and replace it with one "hacked" data.zip. I have sucessfully replaced the data.zip file, and restart the system. Now the Nav doesn't work.
Every time I push the MAP button, it goes right back to the spash screen for like 30 seconds. Won't run Nav at all. So I returned it back to the factory data.zip file, and it works fine. After going through 3 seperate hacked data.zip files, I gave up. Returned it back to the factory data.zipfile, and now it works fine.
I am obviously doing something wrong, but I cannot for the l