Remove → Reset → Reconnect
The issue may be caused by a temporary software glitch, but you can easily fix it by following these steps:
Remove the device from the app.
Reset the device by holding the reset button for 10 seconds.
The indicator light should flash red.Re-add the device to the Smartlife app.
How to do it:
Open device options
In the Smartlife app, select the doorbell from the main screen and tap the options icon in the top right corner.Remove the device
Scroll down and tap “Remove Device” at the bottom of the screen.Reset the device
Hold the reset button for about 10 seconds until the indicator starts flashing quickly. Make sure it flashes fast before moving to the next step.Re-add the device
On the main screen of the Smartlife app, tap the green plus sign to add a new device and follow the on-screen instructions.
Hopefully, this resolves all the issues you were experiencing.