Updating a Huawei STB can be done through several channels depending on whether the device is stock or operator-locked: Online Update (OTA): Navigate to System & Updates Software Update to check for official releases. Manual USB Update: Download the appropriate update.zip file for your model. Format a USB drive to and place the file in the root directory.
If the device becomes sluggish or "useless" due to operator-locked firmware, a factory reset may be necessary: Huawei Stb Q11 Firmware