: Use a tool like WinRAR or 7-Zip to extract "part01.rar"; the software will automatically pull data from part06 and others to create the final file. Prepare USB : Format a USB flash drive to FAT32 .
Ensure the firmware version matches your specific TV model exactly. Installing the wrong firmware can permanently "brick" the device. You can verify your current version under Settings > Device Preferences > About . TCL C745 (55C745K) 4K QLED TV Review & Comments - AVForums Download S68AT06 LF1V018 part06 rar
: Copy the extracted firmware file (usually named update.pkg ) directly to the root directory of the USB drive. Reflash : Turn off the TV. Insert the USB drive into the service port. : Use a tool like WinRAR or 7-Zip to extract "part01
: You must download every part of the split archive (e.g., part01.rar, part02.rar, etc.) into the same folder. Installing the wrong firmware can permanently "brick" the
Press and hold the physical on the TV (not the remote) while plugging the TV back in, or follow the "System Update" path in the TCL Settings Menu if the TV still boots.
Reflashing firmware is often used to fix issues like system lag, unresponsive remotes, or random shutdowns.
: The primary system image used to reflash the TV's operating system.