Originally Posted by dfkt
First time I heard of issues with the J3 SD slot. Format the SD card with the official SDcard.org formatter - if that doesn't work, send it back under RMA.
Cowon gave me an RMA but they want me to pay for shipping. I don't think I should have to pay for return shipping of a defective item. Cowon could just send me another defective replacement, or not fix mine and send it back to me, and I would be in the same situation I am now but have lost the additional return shipping cost.