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Scanning your sensor

You only need to scan your sensor to activate it or during signal loss. After that*, readings are automatically sent to the app every minute.^

How to scan your sensor:
  1. Open the FreeStyle LibreLink app on your smartphone.
    iPhone: Tap the scan button. 

  2. iPhone: Touch the sensor with the top of your iPhone.
    Android: Hold the back of the Android smartphone near the sensor and position the Near Field Communication (NFC) antenna over the sensor.

  3.  iPhone: Do not move your iPhone until you hear a tone and/or feel a vibration.
    Android: Continue holding your smartphone near the sensor until you hear a second tone and/or feel a vibration.
How to start your sensor with Libre 2 reader:
  1. Press the home button to turn on the FreeStyle Libre 2 reader.

  2. Press "Start a new sensor"

  3. Keep the FreeStyle Libre 2 reader within 4 cm of the sensor.If sounds and vibrations are turned on, the FreeStyle Libre 2 reader will beep and vibrate when the sensor has been detected.

  4. The sensor may be used to check your glucose after 60 minutes.

Here are some more resources that might help:

* 60-minute warm-up required when applying the sensor.

^ The FreeStyle Libre systems apps are only compatible with certain mobile devices and operating systems. Please check our website for more information about device compatibility before using the apps. Sharing of the Libre apps requires registration with LibreView.

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