Select Confirm . The TV will automatically shut down and reboot to begin the flashing process. Do not power off the TV during this time. Where to Find Downloads
Flashing the wrong firmware can "brick" your TV (render it unbootable). Always double-check that the board number (JUC7.820.XXXX) and the screen resolution (1920x1080) match your specific hardware labels.
Once you have downloaded and extracted all parts using a tool like WinRAR or 7-Zip , follow these steps as outlined in the JUC7.820 Maintenance Manual :