Do not turn off your TV or disconnect power during a firmware update, as this can cause permanent hardware damage. How to perform a software update on your TV | Sony USA
: Scroll down to select Device Preferences . Check for Updates : Select About , then System Update . Download ONIDA LEO50FIAB2 Software part1 rar
: Insert the USB drive into the TV's USB port. Navigate to Settings > Support > Software Upgrade and select USB to begin the process. Do not turn off your TV or disconnect