On your remote, press Menu followed by 1147 . A hidden service menu will appear, displaying the mainboard/motherboard number.
Search for your specific motherboard number (from Step 1) followed by "firmware download" or "dump file". Download VIDEOCON LEDTVVJW20HH 2FA Firmware rar
The TV will automatically reboot when finished. Once it turns on, remove the USB drive. On your remote, press Menu followed by 1147
Press and on the TV's side panel (not the remote). On your remote