Have got a N5 card .... Have done a good few M3 REAL cards with 4GB SD cards Wondering if the exact same. Just put system folder from software downloaded fro N5 REAL http://www.dsn5.com/EN-N5/n5-en.htm also when you unzip software for M3 Real there's just a system folder but with the N5 there' a system folder plus another folder moon shell plus 3 other files