What to do if the Mijia Refrigerator Cross Door 510L firmware upgrade fails?

If the Mijia Refrigerator Cross Door 510L firmware upgrade fails, please refer to the following steps to troubleshoot:
1. Wait 1-2 minutes after turning off the power of the refrigerator and then turn it on again to ensure a stable power supply;
2. Press and hold the Fridge button for 7 seconds in the unlocked state. The flashing Wi-Fi icon indicates a successful reset;
3. After deleting the refrigerator plug-in in the Xiaomi Home/Mi Home APP, rebind the device;
4. Upgrade the refrigerator firmware to the latest version. Keep the network connection stable during the upgrade process.
If the issue still persists, please apply for local after-sales service center inspection.