Extract the ZIP file and copy the firmware file (typically ending in .pkg ) directly to the of the USB drive—do not place it in a folder.
The Sony Bravia KDL-43W800C is a capable TV, but it lives or dies by its firmware. By insisting on firmware, you protect your device from irreparable damage. Always go to the official Sony source, verify the file hash, and follow the USB installation steps carefully. firmware sony 43w800c verified
Enable in this same menu to ensure your TV stays updated without manual intervention. Via USB Flash Drive : Go to the official Sony Support website and search for " KDL-43W800C Extract the ZIP file and copy the firmware
To verify if your TV requires an update (or to ensure you have a verified version), check your current software: Always go to the official Sony source, verify
Keep holding the buttons until the front LED indicator light changes to a solid color (this can take 10 to 30 seconds). Release the buttons.