If you obtain a legitimate firmware file (usually extracted from a .rar or .zip archive): How to perform a software update on your TV | Sony USA

Official software downloads for the are currently unavailable directly from the manufacturer's regional support sites, including Sony India and Sony Asia . Because this is a legacy model, Sony often recommends using the TV's internal menu to check for updates over a network if a connection is available.

: Since the official Sony pages show no active downloads for this specific model, some users turn to driver archives like Softpedia, which has previously hosted firmware version 3.010 for this model.

If you are looking for the software in a compressed format (like .rar or .zip ) for a manual USB update, here is how you can typically find and install it: