If the TV hangs on the "Smart TV" logo, a full eMMC dump (often found in these .rar files) is usually required via a programmer like the RT809H.
Place the extracted .bin or .img file into the root directory of the USB drive (do not put it in a folder). Initiate Update: Unplug the TV from power. Insert the USB drive into the TV's USB port. Download CV338H A42 1366x768 SamsungIR part3 rar
Firmware files for these boards are often large (over 300MB) and are split into multiple parts (part1, part2, part3) by technicians on repair forums like Televid-Sib to meet upload limits. If the TV hangs on the "Smart TV"
This specific version is pre-configured for Samsung IR remote codes, which is essential if you are replacing a board in a Samsung chassis or using a Samsung-style remote. Why You Need "Part 3" Insert the USB drive into the TV's USB port
The standby light should begin flashing rapidly, indicating the update is in progress. Do not turn off the power during this time.
Once the flashing stops or the TV restarts, the process is complete. Common Issues
If the picture appears upside down after flashing, you may need to enter the Service Menu (usually Source/Input + 2580 or Menu + 1147 ) and toggle the "Mirror" or "Flip" setting.