If the TV won't turn on, open the back cover and locate the number printed directly on the main motherboard (e.g., MSD338). Step 2: Download and Prepare the Firmware
Wisdom Share TVs utilize different mainboards depending on the model and screen size. Installing the wrong firmware can permanently damage the device. wisdom share smart cloud tv firmware download updated
Unauthorized or incorrect firmware can void your warranty. Always download from official sources. If the TV won't turn on, open the
A gray bar appeared on the screen: System Updating. Do not power off. If the TV won't turn on