Right-click and select "Extract Here" using WinRAR or 7-Zip.
The software will automatically pull data from Part 3 to create a single .bin or .pkg file. 4. USB Preparation Use a high-quality USB drive (8GB or 16GB is usually best). Format the drive to . Download IRIS SAT 42E790S Firmware USB part3 rar
Release the button when the "Software Updating" progress bar appears. Right-click and select "Extract Here" using WinRAR or 7-Zip
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 .part3.rar ) in one folder.
Place all parts ( .part1.rar , .part2.rar , .part3.rar ) in one folder.