What is the you're having (stuck on logo, no sound, etc.)?
board is used by different manufacturers, the software is not "one size fits all." Installing the wrong firmware can permanently damage your TV. 3rt841b software free download
Typically runs on updated Android TV licenses. What is the you're having (stuck on logo, no sound, etc
Supports 3 HDMI ports, 2 USB ports, and optical audio output. 2 USB ports