For your reference, here are some solutions you can try:
1. Ensure you are using the original charging cable and the camera is powered;
2. Press and hold the Reset Button for 7 seconds to reset the camera;
3. Please open the Mi Home/Xiaomi Home APP >> navigate to [Camera] >> tap the three-dot icon at the upper right corner >> go to [Camera settings] >> select [Restart the device];
4. If the camera head cannot rotate, please contact the local after-sales center for further assistance.