Xiaomi Motion Sensor fail to update firmware.

Firmware updates are important for enhancing device performance and adding new features. However, sometimes these updates can fail due to various reasons, such as network issues or software glitches.
If the firmware update fails, please refer to the following steps:

1. It is recommended to check whether the current network is smooth and switch to the WiFi network to refresh;
2. Try restarting the motion sensor by removing and reinserting the battery;
3. Clean up the data in the background and enter the Mi Home app again;
4. Update the Mi Home app to the latest version;
5. Reset the sensor by pressing and holding the reset button on the device for 5 seconds. The indicator will flash 3 times before resetting to factory settings;
6. After resetting the sensor, try updating the firmware again through the Mi Home app.