Pioneer DVR-105DA ? HELP!

after trying to flash my unit with no success i decided to open it up and have a look at it, found out that its a pioneer DVR-105DA, anyone know where i can get working firmware for this model or any ways i can use normal dvr-105 firmware??

anyone who knows please help!!

P.S anyone who has the medion md8008 pc is in the same boat as me, somebody has to know!!