Release the button when the "Software Updating" screen appears. during this process. Iris firmware update instructions - Streamit
For general Smart TV downloads, the SmartTech TV Download Center lists various 55-inch models, though you must match the exact build version. How to Use Multipart RAR Files
If you are missing "part06.rar," the firmware update will not work. To use these files:
Right-click part01.rar and select "Extract Here." The software (like WinRAR or 7-Zip) will automatically pull data from the other parts, including part06, to create a single .bin or .pkg file.