If vibrations don't occur
Your NOWATCH and app must be connected for a vibration to occur.
This means that at the time the vibration is calculated to occur, the connection status on the 'My device' screen should be Connected.
Please confirm that
You are logged into your Profile.
Your NOWATCH is within Bluetooth range of the NOWATCH app.
The NOWATCH app is open or running in the background, i.e. one of the open apps on your mobile device.
The app must have been granted all required permissions. For Android, please see here.
You are using the latest Android or iOS version of the app, as well as the latest firmware version. See here how to update the firmware.
Additionally,For a return-to-calm vibration, the return-to-calm vibration option should have been selected.
A return-to-calm vibration will occur only if the current value and the average value of your stress estimate over the last 5 minutes both exceed the threshold.For a random vibration, select Random vibrations in the app settings. You can expect random vibrations to occur between 10 am and 8 pm.