Me too. Recognizes only one old card 8 GB, Class 2. Samples in all formats 2 SDHC cards and always I get error code 10. Here in this forum I found a temporary solution: http://bbs.chuwi.com/forum.php?mod=viewthread&tid=1908&extra=page%3D1%26filter%3Dtypeid%26typeid%3D63