Are you using it with a or standard streaming apps? Are you connecting via Wi-Fi or Ethernet ?
: Sync external sound systems or wireless headphones via the onboard Bluetooth settings menu. Troubleshooting Common Issues huawei stb q11
3.5mm mini-jack for composite video and analog stereo audio (useful for older TVs). Are you using it with a or standard streaming apps
Unplug the HDMI cable from both devices and plug it back in firmly. huawei stb q11
Built-in support for Miracast, DLNA, and Airplay allows users to share mobile content directly to the big screen. User Support & Maintenance Huawei STB Q11 - HUAWEI Community