Download File: Tcl V386 (chassis Ms6586).7z

: MS6586 (This is a critical identifier for compatibility). Software Version : V386 (A specific build iteration). Platform : Android-based system (likely Android 9 Pie).

: 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

: Plug the drive into the USB 2.0 port on the side of the TV. : MS6586 (This is a critical identifier for compatibility)