: Plug it into the TV while powered off, then hold the power button or follow the manufacturer's specific System Update sequence.
Since your file is labeled as "part2.rar," ensure you have as well. The files must be extracted together to form a single image file (usually named MstarUpgrade.bin or similar). Download MSD6A628 T8E3 Stream BM55L71 Smart part2 rar
Downloading and reviewing firmware like the is more of a technical necessity than a casual experience, but Why This Download Matters : Plug it into the TV while powered
: This is the primary reason users look for these .rar files. It fixes a common issue where the TV's Android OS fails to boot beyond the startup splash screen. Downloading and reviewing firmware like the is more
: The motherboard supports essential Main PCB AV features, including multiple HDMI inputs and USB ports for the very flash drive you'll use for the update.
This specific firmware (based on the mainboard) is typically used for a Local Update or a "rescue" flash for your TV.