Here is the newest firmware for Tronsmart MK908, It should suit for V3 and V1 board, now all of the Tronsmart mk908 shipped by us should be in V3 board.
Here is the firmware download link:
http://www.mediafire.com/download/yffq3m8xjfnsvma/update_mk908_106j2107_04.rar
password is geekbuying.com
Firmware update tool download link:
http://www.mediafire.com/download/b9ckxat6t4cw5qc/Rockchip_Batch_Tool_v1.6.rar
Firmware update instruction, you can check here:
http://blog.geekbuying.com/index.php/2013/04/23/tronsmart-mk908-firmware-upgrade-guide/