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