Format a USB stick (16GB or smaller) to FAT32 .
For some models, hold the Volume + button on the remote while powering on . Download 35022441 3840x2160 Kogan part10 rar
Copy the firmware file directly to the root directory (not inside a folder) . Triggers: Format a USB stick (16GB or smaller) to FAT32
Unplug the TV, insert the USB, plug it back in, and hold the Power button on the TV (not the remote) until a blue "Installing" screen appears . insert the USB