1366x768 is a standard HD resolution for panels ranging from 15 to 32 inches.
The firmware is often distributed in split archives (like part3.rar ) because full firmware packs containing many different resolution files can be quite large. Download MV9 V59 1366x768 USB part3 rar
These boards typically support USB firmware flashing , allowing updates without specialized programming hardware. How to Install V59 Firmware via USB How to install a universal tv control board 1366x768 is a standard HD resolution for panels