Hello, first post and hoping to get a bit of help, I purchased this chinese GPS / DVD and so on what is weird is where is WI. I have been arguing with the seller to fix this problem and one of the selling points was 1. Price and 2. lifetime upgrade I have no idea what kind of unit this is but when I turn it on the screen says Mediatex and the GPS is iGO all the seller wants to do is give me $21.00 credit and I keep the gps, all I want is for it to work but from reading forums it appears to be a lot of work to download the program.

If it's a chinese unit, probably you don't have to replace the program (cracked), just to add the map and other files to the right folders. Read here.
Here is Wisconsin (fbl, poi, 3dc, 3dc) for you:

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