If you have "part1.rar," you also download all other associated parts (e.g., part2, part3) for the extraction to work. Download all parts into the same folder on your computer.
This file is used to update or "re-flash" the operating system of your TV. It is commonly sought after when: The TV is stuck on the Haier logo (boot loop). Applications like YouTube or Netflix stop working. The system is lagging or experiencing software bugs.
Once you have the extracted firmware on a USB drive, you can typically update your TV using these steps: Insert the USB drive into the TV. Navigate to Settings > Device Preferences > About . Select System Update and choose the USB option if prompted. Force Update (If the TV is stuck on the logo): Turn off the TV and insert the USB.