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).

An update progress bar should appear. Do not turn off the TV until it finishes and restarts automatically.

(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.