: For models manufactured outside the US, Hisense recommends visiting their Global Support site. Alternative Options for Technicians

: You can often find firmware by entering your TV's serial number on the Hisense Firmware Download page.

If the official site does not list your specific model, you may need to:

Do you need the location on your TV to help find the correct download on the Hisense site ? Hisense Firmware Downloads & Updates | Support

(Board: , Panel: 1366x768 ) typically requires using specialized technician forums or official support channels, as these files are rarely hosted on public direct-download sites. Official Firmware Sources

Press and hold the (or the power button on the remote) while turning the TV on until the "Software Updating" message appears.

: Email Hisense support for your specific region with your model and serial number to request the upgrade_loader.pkg file. Hardware Replacement