Place all parts ( .part1.rar , .part2.rar , .part3.rar ) in one folder.
Place the extracted firmware file (the .bin file) in the (not inside any folders). 5. Common Installation Method Turn off the TV and unplug it from the wall. Insert the USB drive into the USB 2.0 port. Press and hold the Power button on the TV (not the remote). Plug the TV back in while continuing to hold the button. Download IRIS SAT 42E790S Firmware USB part3 rar
Firmware split into multiple RAR parts (Part 1, Part 2, Part 3, etc.) requires to be present in the same folder before you can extract them. If you only download Part 3, the archive will be "corrupt" or "incomplete" when you try to open it. Look for the original source thread (often on sites like DzairBack or GsmAlgeria ) to ensure you have the matching set. 2. Verify the Board Number Place all parts (
Right-click and select "Extract Here" using WinRAR or 7-Zip. Common Installation Method Turn off the TV and
Before flashing, verify that the firmware matches your TV's internal (e.g., TP.MS338.PB801 or similar). Using the wrong firmware can "brick" your device (make it unbootable). You can usually find this number printed directly on the green circuit board inside the TV. 3. Extraction Process
Release the button when the "Software Updating" progress bar appears.