: Confirms this firmware is for a 4K resolution screen.
: The resolution (3840x2160) must exactly match your TV's physical panel, or you may risk damaging the display. Download SK708D PC821 3840X2160 REF52 part03 rar
: This is the third part of a larger compressed archive. You will need all parts (part01, part02, etc.) in the same folder to successfully extract the firmware. Key Features of this Motherboard System : Runs on Android 9.0 with a quad-core processor. : Confirms this firmware is for a 4K resolution screen