[Q] A33 Tablet Firmware

Hi. I have a Chinese tablet and can not find your firmware. I contacted the manufacturer but no longer have the firmware. So I ask here, maybe someone has it.

Model: M733 Superinworld 7" 800x480

TZX-723Q B6. A33 Quad-Core Allwinner.

Manufacturer: Superinworld (or Superdigital)

PCB pic:
oi65.tinypic.com/dwyj43.jpg

Greetings and thanks you!