I first used a 2GB Kingston flash drive and it works great. You can only Mix All or if you have different folders Mix Folder. When that one was full I bought a 4GB Kingston flash drive. Some flash drives can be a bit temperamental.
Volkswagen Media Device Interface (MDI) SpecificationsI did do a firmware update a couple of years ago. There are various upgrades available just choose the right build year.
Firmware UpgradesThey are easy to install just add them to a blank FAT32 formatted drive and wait for the message.
