How to upgrade device firmware?

1.Before upgrading, ensure the state of charge is above 30%.

2.The device needs to be placed close to the router to ensure good WIFI signal.

3.The upgrade process takes approximately 4 minutes.

4.After the upgrade, the versions will be as follows: the old version 3.2.2 will be upgraded to 3.2.4, and the old version 3.2.3 will be upgraded to 3.2.5.

5.If the upgrade fails, you can turn off the PIR and Human Body Filtering, and then upgrade again.