Once the update is complete and you are back at the setup screen or the home menu: Remove the USB drive. Delete the upgrade-loader.pkg

Unplug the TV power cord one last time, wait 30 seconds, and plug it back in. Your TV should now boot up to the initial first-time setup wizard. Troubleshooting Common Flashing Failures

Success depends on careful preparation before touching your TV.

: Plug the drive into a USB 2.0 port (usually black, not blue).

Flashing firmware at this structural level carries inherent risks. Installing the incorrect software version can permanently ruin the television hardware. Before attempting the recovery, you must verify the precise model number and chassis code of your television.