Use a USB drive (16GB or smaller) formatted to FAT32 .
Turn off the TV at the wall. Plug in the USB. Download 35022441 3840x2160 Kogan part08 rar
Reconnect power. Most Kogan models require you to press and hold the Power or Vol+ button on the TV until a blue "Software Upgrade" screen appears. Use a USB drive (16GB or smaller) formatted to FAT32
Extract the .bin file from the RAR archive and copy it directly to the root of your USB drive (do not put it in a folder). Reconnect power
Do not turn off the power until it reaches 100%. The TV should restart automatically.
If you are trying to repair a "bricked" Kogan TV or solve software issues for the 65" 4K model, I’ve uploaded the firmware files for the main board. File Details: Name: 35022441 3840x2160 Kogan part08.rar Compatibility: Specifically for Kogan models using the main board (commonly found in the KALED65UHDZB series). General Installation Instructions:
Installing the wrong firmware can permanently "brick" your TV. Always verify your model number on the back of the TV before proceeding. KALED423DSMTZA - TV Firmware Upgrade