Mystery firmware MTV 2420 LW main MST6M48RHS-LF-Z1
MST6M48RHS-LF-Z1 SPI MX25L3206E Panel: M236MWF16 resolution: 1920x1080 (16:9) support 1080p Full HD LCD TV, LED-backlight video from USB-drives diagonal: 24" (61 cm) The working firmware has been verified DOWNLOAD HERE