Check that your sensor is properly applied
Make sure the sensor is firmly attached to your skin and hasn’t lifted at the edges. If the sensor isn’t making good contact, the device may struggle to connect.
Check that your phone has bluetooth on and that it's on in the app preferences
Settings → Apps → Nico
Make sure there are no sensors listed in your phone's bluetooth list
Settings → Bluetooth - find the sensor and remove it
1. Turn your Bluetooth off, then on
Pairing can’t start without Bluetooth, so double-check that it’s enabled on your iPhone and if it is try turning it off then on:
Settings → Bluetooth → Off → On
2. Re-enter the serial number
The serial number needs to match exactly what’s printed on the sensor packaging.
A single mistyped digit can stop the pairing process, so it’s worth taking your time.
3. Keep your phone close
Make sure your phone is within 3–10 feet (1–3 meters) of the sensor. Being too far away, or having walls in between, can interrupt the signal.
4. Restart the app and phone
Sometimes the simplest fix works best. Close the Nico app completely, restart you phone. Then reopen the app, and try pairing again.
💡 Tip:
In case you're still unable to pair your sensor, please reach out to us at [email protected] and we'll be able to troubleshoot this for you.