Third-party download links for and "part1.rar" are available on external sites such as Receiver Pro and Khan Dish Network. These compressed RAR files typically contain the firmware necessary for manual updates via USB. How to Install Firmware via USB

Alternatively, for older models without internet, the TV may detect the USB file upon booting and prompt you to install it. Specifications Overview Hisense Firmware Downloads & Updates | Support

* COMMERCIAL. * Firmware Download. SUPPORT. Firmware Download. * Company. Hisense-USA

: Ensure the USB drive is formatted to FAT32 . Do not place the file inside any folders; it must be in the root directory.

, it is recommended to use the official Hisense USA Support page by entering your TV's serial number. This ensures you receive the correct software specifically manufactured for your unit.

: Use a tool like WinRAR or 7-Zip to extract the contents of the RAR files. Only copy the extracted firmware file (often with a .pkg or .tar.gz extension) to a USB drive.

If you have downloaded the RAR files from a third-party source, follow these general steps to update your TV: