1. Replace the battery
Product built -in (R2032 button battery, buckle the battery cover, the battery can be replaced, pay attention to the positive and negative pole
(Normal battery can be used for about 10-12 months)
2.Resume factory settings(When the mobile phone is not searching for the product name, the operation of the anti -loss device can be restored to the factory)
" 4 times+long press for 5 seconds" will make a "Didi Didi" sound, indicating that the restoration of the factory setting is successful
3, Shut down
"Long press for 5 seconds" will make a "drop. Drop" twice, indicating that the product shuts down
4. Lift the binding
Find items in the app and click "Remove item". The device will make a sound of "Didi".It means successful unbundling. (this operation must ensure that the production crystal and the connection device are within 1 meter)