: The screen should display an "Updating..." or "Software Upgrade" message. Do not turn off the TV or remove the USB drive until the process reaches 100% and the TV restarts. Alternative: Official Over-the-Air Update
Manual updates for this model typically follow this procedure: Download TOSHIBA 39L4300EE Firmware part2 rar
: Go to Settings > Device & Software (or System ) > About > Check for Updates . : The screen should display an "Updating
: Plug the TV back into the AC outlet. On some models, you may need to hold the Power or Menu button on the TV panel while plugging it in to trigger the update. Download TOSHIBA 39L4300EE Firmware part2 rar
If your TV still functions enough to access the menu, you can check for official updates directly: