Navigate to Settings (the gear icon in the top-right corner of the home screen).
Scroll down and select Device Preferences → About → System update . Xiaomi Mi Box S Firmware Update
Click Check for update . If the firmware is available, you will see the download size (typically 300–500 MB). Navigate to Settings (the gear icon in the
Click Download and wait. The Mi Box S will continue working in the background during the download. If the firmware is available, you will see
The Xiaomi Mi Box S remains one of the most popular Android TV boxes on the market, praised for its balance of affordability, 4K HDR support, and a clean Google-certified Android TV experience. However, like any streaming device, its performance heavily depends on regular firmware updates.
Before updating, disconnect all USB peripherals and ensure your power supply is stable. A power outage during firmware installation is the only way to permanently brick your Mi Box S. Have you experienced a different issue after the update? Power cycle the device (unplug for 60 seconds) before attempting any advanced troubleshooting.