Is my device working?

You are here:

You can verify that your device is working through the following steps:

1. Hold the device in both hands with the led indicator facing you (as shown above)

2. Place your thumbs on the steel nibs on the back

3. The led indicator should now be green for a second before switching to flashing green

Common problems

The indicator does not show any color at all
The device needs charging.
1. Charge the device for 20 minutes
2. Try the thumb test again

The indicator flashes blue or red
The device is not connected or has lost the connection to your phone. Open the app, select Settings in the main menu, and then click the big blue button at the top that says Troubleshoot with Linus.

Does your device not flash green despite the steps above? Contact us via the form in the main menu or by email to