Users looking for specific multi-part firmware files often find them on technical community forums, though these are :
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. Download RTD2841 TCL UnionTV Firmware part04 rar
They will provide a specific .bin or .img file tailored to your hardware. Users looking for specific multi-part firmware files often
Are you trying to or just looking for a feature update ? How can I update the software of the TV? - TCL USA Download RTD2841 TCL UnionTV Firmware part04 rar
Contact TCL Support or their after-sales team to request the correct software for your specific region and model.