[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:
http://ift.tt/29bIAhl

Greetings and thanks you!

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