Plug the TV back in while continuing to hold the Power button.

: Reliable repositories for this specific firmware include Elektrotanya , Remont-AUD , and specialized LED TV repair forums like Kazmi Elecom or SmartTech TV Downloads .

To download and install the , you typically need to source the specific files associated with the television's mainboard, as "IRIS" is often a regional brand that uses universal or third-party mainboards like those from CV338H or TP.MS338 . Finding the Download

: Extract the downloaded RAR archive. Look for a file named allupgrade_xxx.bin or upgrade_loader.pkg .

: Before downloading, verify your TV's mainboard number (printed on the green PCB inside the TV) to ensure the firmware is compatible. USB Installation Steps Format the Drive : Use a USB 2.0 drive formatted to FAT32 .

If your TV is stuck on the logo or in a boot loop, this USB method is the standard recovery path. How to update any Samsung TV's firmware using a USB drive

Files labeled "part05.rar" usually belong to multi-part archives (e.g., .part01.rar through .part05.rar ). You must download into the same folder and extract only the first part to reconstruct the complete firmware image.

: Place the file in the root directory (not inside any folder) of the USB drive. Flashing Process : Power off the TV and unplug it from the wall. Insert the USB drive into the USB port. Press and hold the Power button on the TV (not the remote).