To update your using a multi-part RAR firmware (specifically parts 01 through 06), you must first merge the parts into a single usable image file before transferring them to your TV. How to Recombine Multi-Part RAR Files

: Place all six RAR parts (01 to 06) into the same folder on your computer.

: Once finished, you should have one large file (e.g., update.img ). This is the only file you need for the TV. Installing the Firmware on your TCL LED49S4900