navigation system

Hello everyone, Today I tried updating the maps on a Leon, I've backed up my sd card on hdd and format it as FAT32 and copied the new files on the SD card but when i put it in my infotainment system theres an error saying "Insert A Data Medium With Valid Navigation Data". I've tried formatting...

I've had a 2013 Seat IBIZA for over a year now but did not have the navigation system installed. I'd like to buy one for use on maps, bluetooth and engine readings. Is there a specific model i need to look for and will it connect straight up to my dash. Just don't want to go on ebay for one and...