If you are forced to use the 10-part RAR archive from a third-party source:
Copy the firmware file directly to the root directory (not inside a folder) . Triggers: Download 35022441 3840x2160 Kogan part10 rar
If the TV still boots, enter the factory menu by pressing Source + 1-1-4-7 on the remote and select USB Upgrade . 3. Dealing with Split RAR Files If you are forced to use the 10-part