: 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 .
Release the button once the "Software Upgrading" or "System Updating" progress bar appears.
: Extract the downloaded RAR archive. Look for a file named allupgrade_xxx.bin or upgrade_loader.pkg . Download IRIS 32E390S Firmware USB part05 rar
the TV during the update, as this can result in a permanent "brick".
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. : Before downloading, verify your TV's mainboard number
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
: Reliable repositories for this specific firmware include Elektrotanya , Remont-AUD , and specialized LED TV repair forums like Kazmi Elecom or SmartTech TV Downloads . : Extract the downloaded RAR archive
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