The main oard its made from lebitec.com.
And the apps used in play store its lebitec too.
I try contact the manufacturer via qq an email@example.com and no response about firmware.
I have the files here...
Can you help me to change the firmware?
https://mega.nz/#!r4BjXQBD!8_FTwRN9ccll ... cyE0WFKego