: Turn on the TV, go to Menu > Option > Software Update (USB) and confirm with "Yes".

: Do not power off the TV during the process. It will typically restart automatically once finished. Alternative: Checking for OTA Updates

If your TV is functional and connected to Wi-Fi, you can check for official "Over-the-Air" updates: Navigate to (gear icon) using your remote. Select Device Preferences or System . Go to About > System Update .