There's a new stock firmware update for the MK808B Pro via Geekbuying: http://blog.geekbuying.com/index.php...ware-20160426/
After some trials, I was able to flash the new ROM, and from my limited testing it runs much better than the previous stock ROM. I'm using the device to write this review right now. If you have any trouble flashing the ROM from your Windows PC, I highly suggest reading the comments. You'll need the very latest USB Burning software, plus a license file available for download via a download link from Tronsmart.