To all microSD card owners, getting a card reader is worth every penny. I got myself a USB 3.0 compatible card reader and was able to increase throughput by a factor of 3 connecting it to a USB 3.0 port. Another thing I discovered, I have an older microSD SDHC card and the DX50 refuses to read it even on the OTG line. My two SDXC SanDisk cards work fine either through theDX50 or card
reader. I formatted one of them as exFat quick format and it worked flawlessly.
Hope everything is fine with yours.
Hi musicheaven, is it a must to format a sdxc 64gb card to Fat32. I might be mistaken but thought someone wrote that it could be use out of the box without a need for formatting. Thanks.