: The TV will restart automatically once the process is finished, which usually takes about 4–10 minutes. Important Precautions Software Upgrade - TCL USA
: Press and hold the physical Power button on the TV (not the remote) while plugging the TV back in. Continue holding for ~10 seconds until the "Upgrading" screen appears. Download File TCL V386 (CHASSIS MS6586).7z
To install this firmware manually, you typically need a formatted USB flash drive and access to the TV's service settings. : Format a USB drive to FAT32 . : The TV will restart automatically once the
: .7z (a high-compression archive that must be extracted to retrieve the .bin or .img firmware file). Download File TCL V386 (CHASSIS MS6586).7z