DESCRIPTION

Stock version for 10" mirror with screen resolution 1600×400

Firware is only for mainboard based at MT6735 !

If your mainboard T20 it may be at MT6753.

Be careful.

Flash from SD card оr SP FlashTool ver 5.1640.00 

All information and  last  firmware you can find http://4pda.ru/forum/index.php?showtopic=830211&st=12740#entry83250488

Also and custom firmware wich called "CATS" with GAPPS or without them. GPS, GLONASS,   Phone, SMS,  WiFi 2.4 \ 5 and many many others tasty things.

https://www.youtube.com/watch?v=UUESSQevZ7o

※Please make a backup of your device before installing or updating ROM