Use a tool like WinRAR or 7-Zip to extract part01 ; this will automatically merge and extract all parts (including part03) into a single .pkg or .bin file.
Many users find these specific files on the TCL Firmware Telegram Channel or XDA Developers. Download S586T02 LF1V628 part03 rar
Format a USB stick to FAT32 . Copy the extracted firmware file directly to the root directory of the drive. Local Update Method: Plug the USB drive into your TCL TV. Use a tool like WinRAR or 7-Zip to
If you have already downloaded all parts of the archive, follow these steps to install the update via USB: Download S586T02 LF1V628 part03 rar
Press and hold the on the TV (not the remote).