What to do if the firmware upgrade for the Xiaomi Router BE19000 Pro fails?

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If the firmware upgrade for the Xiaomi Router BE19000 Pro fails, please refer to the following information:
1. The router adopts a dual-system design, so it can still operate normally even if the upgrade fails. You can continue using the network without interruption.
2. Check whether the firmware version is correct and ensure the upgrade file is complete and not corrupted. If needed, obtain a new firmware package from the official router development team.
3. Make sure your network connection is stable during the upgrade process. Avoid using unstable or interrupted connections.
4. Restart the router and try the upgrade again, as a simple reboot can resolve temporary system issues.
5. If you are upgrading via a web interface, clear your browser cache or switch to another browser to avoid compatibility issues.
6. Ensure the router remains powered on throughout the upgrade process. Do not disconnect the power supply to prevent further errors.
7. If the issue persists, back up your configuration and perform a factory reset, then retry the firmware upgrade.
8. If none of the above solutions resolve the issue, please contact the after-sales service center for further assistance.