How to troubleshoot firmware update failure on the Xiaomi Smart Camera C300?

The Xiaomi Smart Camera C300 firmware upgrade prompts that the upgrade has failed or the upgrade has not progressed. Generally, it is a network problem of the camera.
The operation method is as follows:
1. Shut down and restart the camera, and recheck whether the firmware upgrade can be upgraded;
2. If not, reset the camera and reconnect to check the firmware upgrade;
3. If the issue persists, you can change the network connection or establish a hotspot through the mobile phone.