Good News!!!
M9pro also release their beta android 4.4.2 os firmware, this is beta version of Android 4.4, only for lovers prerelease experience, does not recommend upgrading for general users.
Download upgrade tool and method from here
Password is geekbuying.com
This beta version firmware only for M9pro wifi version tablet, 3G version not include.
Please confirm your tablet version.
Geekbuying
B.regards!
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There is a newer 4.4.2 firmware – not BETA anymore.
But, RileyROM custom ROM for KITKAT (3.0.1) works better and EXCELLENT !!!
Tablet is now VERY fast
Thanks for let us know. please post back the custom rom download link.