Installing incorrect or unofficial firmware can permanently damage (brick) your TV. Always verify your Chassis No (e.g., RT41 for some RTD2841 models) and Product Info before attempting a manual flash.

: If your TV uses the Roku platform, you can download specific manual update files by entering your Hardware ID at tvupdate.roku.com . Verified Community Sources

Select and then Network Update to check for available software directly from TCL servers. Manual USB Update (Official Path) :

Contact TCL Support or their after-sales team to request the correct software for your specific region and model.

: Technical guides like mojothemonkey2/TCL_Guide explain how to flash different firmware versions, including .img and .zip OTA files.

Users looking for specific multi-part firmware files often find them on technical community forums, though these are :

Are you trying to or just looking for a feature update ? How can I update the software of the TV? - TCL USA