hy everyone..need help with my mp4..atj2135
 

I have a nexus nomad A226 mp4 player 2GB with a very buggy firmware (i cannot switch the chinese menu back to english and I can't use the full memory). I've searched all over the site and internet and i can't find a good firmware. I've open it and the numbers are:

Samsung 716 k9LAG08U0M pcb 0
ATJ2135

Soo...please..if anyone has some ideea of what or where should i find a good firmware..Thank you!