Source - Emuholic
Gamepark Holdings have released a new firmware update that fixes the problems with Toshiba SD cards not being recognised in last weeks v1.2.0 update. There isnt really any need to update if you are using v1.2.0 and you card is working as there are no other changes. You can download the update from GP2X Archive here. Also Firmware v1.3.0 will be released after next weekend.