Format a USB drive to FAT32 and copy the extracted file to the root directory (do not put it in a folder). General Installation Steps Power Off: Turn off the TV and unplug the power cord. Insert USB: Plug the flash drive into the TV's USB port.
An update progress bar should appear. Do not turn off the TV until it finishes and restarts automatically.
Finding the exact multi-part firmware files for the IRIS SAT 42E790S
Using a tool like WinRAR or 7-Zip, right-click on the first part and select "Extract Here." The software will automatically pull data from Part 2 and any subsequent parts to create the single final firmware file (usually an .bin or .img file).
If you have found a multi-part archive (e.g., part1.rar , part2.rar ), you cannot use them individually. You must:
(a model from the Algerian manufacturer IRIS) usually requires accessing specialized TV repair forums or the official IRIS customer portal, as these files are rarely hosted on public global mirrors.


Format a USB drive to FAT32 and copy the extracted file to the root directory (do not put it in a folder). General Installation Steps Power Off: Turn off the TV and unplug the power cord. Insert USB: Plug the flash drive into the TV's USB port.
An update progress bar should appear. Do not turn off the TV until it finishes and restarts automatically.
Finding the exact multi-part firmware files for the IRIS SAT 42E790S
Using a tool like WinRAR or 7-Zip, right-click on the first part and select "Extract Here." The software will automatically pull data from Part 2 and any subsequent parts to create the single final firmware file (usually an .bin or .img file).
If you have found a multi-part archive (e.g., part1.rar , part2.rar ), you cannot use them individually. You must:
(a model from the Algerian manufacturer IRIS) usually requires accessing specialized TV repair forums or the official IRIS customer portal, as these files are rarely hosted on public global mirrors.