What to do if the firmware upgrade of the Mijia Air Conditioner Eco EGAT Label No.5 with 1 Star 12000BTU fails in the Xiaomi Home App?

If the firmware upgrade of the Mijia Air Conditioner Eco EGAT Label No.5 with 1 Star 12000BTU fails in the Xiaomi Home App, please refer to the following information:
1. Please update the Xiaomi Home App to the latest version and retry the upgrade, as an outdated version can cause compatibility issues during the process.
2. Check whether the Wi-Fi connection is stable and ensure a strong signal, since an unstable network can interrupt the upgrade.
3. Try switching to a different network, such as a mobile hotspot or another Wi-Fi connection, and then attempt the upgrade again if the issue is caused by network instability.
4. Do not exit the upgrade page or close the Xiaomi Home App during the update process, as any interruption can result in installation failure and affect completion.
5. If the issue persists after following the above steps, please contact the after-sales service for further inspection.