Attempting to flash an incorrect dump file can cause irreversible damage: How to update any Samsung TV's firmware using a USB drive
Visit the official Samsung Support website and search for your model to download the latest "Upgrade File (USB type)". Download FLASH DUMP SAMSUNG UA40EH5000R rar
These are raw images of the memory chip's contents. They are not applied via the TV's menu but require a hardware programmer (like the CH341A ) to write the data directly to the chip, which often requires desoldering the component from the motherboard. How to Update via USB (Working TV) UA40EH5000R Attempting to flash an incorrect dump file can