: Use a tool like WinRAR or 7-Zip . Right-click on Part01 and select "Extract Here." The software will automatically pull data from all subsequent parts (including part08) to create the final firmware file.
: Ensure every numbered part is in the same folder on your computer. Missing a part will result in an extraction error.
Keep holding until the LED indicator begins to blink or an "Upgrading" progress bar appears on the screen, then release the button. How to Update TCL Tv by USB
Once you have the extracted firmware file, follow the "Forced Update" method often used for troubleshooting boot loops or logo-stuck issues: