. This specific file format (.rar) indicates it is a compressed archive containing the necessary system software. 1. Locate the Download
: Right-click the downloaded file and select "Extract Here" or "Extract to 32E390S OLD/" .
: Use a USB drive (8GB or smaller is recommended) formatted to FAT32 .
: Turn off the TV, insert the USB into the TV's USB port, and then turn the TV on. Some models require holding the Power button on the TV panel while plugging in the power cord to trigger the update.
: A progress bar should appear. Do not turn off the power during this time as it could permanently damage (brick) the TV.
Since Windows and macOS do not natively support .rar extraction, you will need a third-party application. : Use tools like WinRAR or 7-Zip.