on the TV while plugging it in or switching the main power on. Release after 10 seconds or when the update screen appears.
It is important to distinguish between a "flash dump" and a standard "software update": Download FLASH DUMP SHARP 40LE185i rar
Installing the wrong firmware or a corrupted dump file can permanently damage your TV's mainboard. Always verify that the firmware matches your specific panel and motherboard version. SHARP Tv won't recognise USB flash drive - FIX on the TV while plugging it in or