Could be... I know that it all worked flawless in my car and have had zero issues with functionality. If I'd have had issues, I'd have returned and/or sorted them out, and definitely would not have offered up a non-functional item for sale. How hard is it to copy from a full-size SD to a microSD... pretty darn straight-forward. Arrrgghh matey, there's booty to be had off the shores of ebay... arrrrgghh
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