: Plug it into the TV while powered off, then hold the power button or follow the manufacturer's specific System Update sequence.
: Always verify that your TV model matches BM55L71 exactly before flashing, as using the wrong firmware can permanently "brick" the device. Download MSD6A628 T8E3 Stream BM55L71 Smart part2 rar
: If apps are crashing or the TV is behaving erratically, a fresh flash of this firmware often resets the system to its optimal factory state. Performance & User Experience : Plug it into the TV while powered