What to do if the firmware update for the Xiaomi Smart Double Stack Air Fryer 12L is unsuccessful?

If the firmware update for the Xiaomi Smart Double Stack Air Fryer 12L is unsuccessful, please refer to the following troubleshooting steps:
1. It is impossible to update the firmware in the working state. You can try again in the non-working (startup) state.
2. Check that the plug is fully inserted into a working electrical outlet and that there are no issues with the power source, such as a tripped circuit breaker or loose connection.
3. Please check whether the Wi-Fi is connected normally. You can change the network to try.
4. Try upgrading the firmware again.
If the problem persists, please contact the after-sales service.
Note:
1. When upgrading firmware via the Xiaomi Home App, the screen displays "Updating" and the device automatically restarts upon completion.
2. No other operations can be performed while updating.