Place all parts ( .part1.rar , .part2.rar , .part3.rar ) in one folder.
Right-click and select "Extract Here" using WinRAR or 7-Zip. Download IRIS SAT 42E790S Firmware USB part3 rar
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. Place all parts (