Upgrade under the factory menu
Copy MstarUpgrade.bin in USB and Insert U disk to the USB port
Press Input menu and then press 2 5 8 0 to activate factory menu (Fig. 1)
Move to “Upgrade Main” item and press OK button to confirm. (Fig. 2)
Select “Confirm” to confirm the upgrade (Fig. 3), the system will automatically reboot and start the upgrade, the display will automatically restart once it is finished.