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.
Since this file is part of a split archive, you must ensure you have all corresponding parts (e.g., part01, part02, etc.) to extract it successfully. Download S586T02 LF1V628 part03 rar
Navigate to > System (or Device Preferences ) > About > System Update . Select Local Update if available. Force Update (Hard Reset) Method: Unplug the TV from power. Insert the USB drive. Format a USB stick to FAT32