In order to display HDR content in 4K @ 60HZ, the following setting needs to be adjusted on your TV:
Press the 'Menu' button on your remote, and select 'Function' -> 'EDID', and adjust this setting to '4K'.
This applies to the following Kogan TV models:
- KALED43MU8010SZA
- KALED49MU8010SZA
- KALED55MU8010SZA
- KALED58LU8010STA
- KALED65LU8010STA
- KALED40AF7000STA