Published by Abbott Diabetes Care Inc. on Sep 4, 2024

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Why should I report an Issue with FreeStyle Libre 2 - US?

  1. AppContacter will directly Email your issue/feedback to an apps's customer service once you report an issue and with lots of issues reported, companies will definitely listen to you.
  2. Pulling issues faced by users like you is a good way to draw attention of Abbott Diabetes Care Inc. to your problem using the strength of crowds.
  3. Importantly, customers can learn from other customers in case the issue is a common problem that has been solved before.
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About FreeStyle Libre 2 - US

1. Data based on the number of users worldwide for FreeStyle Libre family of personal CGMs compared to the number of users for other leading personal CGM brands and based on CGM sales dollars compared to other leading personal CGM brands. 4] Fingersticks are required if your glucose alarms and readings do not match symptoms or when you see Check Blood Glucose symbol during the first 12 hours.

2. To receive alarms and glucose readings on your FreeStyle Libre 2 Reader, you must start the Sensor with your Reader.

3. To receive alarms and glucose readings on your phone, you must start the Sensor with the FreeStyle Libre 2 app.

4. You must enable the appropriate settings on your smartphone to receive alarms and alerts, see the FreeStyle Libre 2 User’s Manual for more information. 3] Data on file, Abbott Diabetes Care.

5. If you are using the FreeStyle Libre 2 Plus sensor with an Automated Insulin Delivery (AID) System, do not activate your sensor with the FreeStyle Libre 2 app or reader.

6. Note that the FreeStyle Libre 2 app, Reader and your Automated Insulin Delivery (AID) system do not share data with each other.

7. Alarms and glucose readings can only be received on your phone or your FreeStyle Libre 2 Reader (not both).

8. The FreeStyle Libre 2 app is intended for measuring glucose levels in people with diabetes when used with a FreeStyle Libre 2 System Sensor.

9. Before you start your Sensor, choose whether you want to use the reader or the FreeStyle Libre 2 app.

10. The circular shape of the sensor housing, FreeStyle, Libre, and related brand marks are marks of Abbott.

11. If you are using the app, you must also have access to a blood glucose monitoring system as the app does not provide one. 1] Notifications will only be received when alarms are turned on and the sensor is within 20 feet unobstructed of the reading device.

FreeStyle Libre 2 Customer Insights

1. Also, it turns DND mode on when it's not supposed to! The permission is so it can override it for alarms, not so it can turn it on randomly! I uninstall the app as soon as I'm done with my sensor because it's so annoying to have installed because of these issues.

2. Please.My issue is that it doesn't scan properly and once it's not scanning properly the sensor will just stop working.

3. Hitting the open sensor alert after 5 or 6 times does usually make it stop.This app is as bad with the alarms as everyone says it is.

4. This fixed it for both the Fold 3&4.Amazing the devs haven't suggested this, not to mention the app hasn't been updated since last year.I have been using Libre 2 sensors with the reader, but would rather use an app.

5. Omg, I scan multiple times, still alarms unavailable.The Libre 2 sensors won't stay connected.

6. Apparently, Libre 2 does not do that!Because of the super intrusive alerts and not being able to adjust the sound level for Ultra Low, I have switched to Dexcom G7 and so far the alerts and ability to adjust the alerts are superior.

7. Sensor requires a constant connection, but still must be scanned during a high or low event in order to see the reading.

8. Nope! The sensor alarm STILL went off in the middle of the night, and would not stop.

9. Deflecting the problem is misleading and is going to result in legal ramifications.The app is great however they need to work on their alerts.

10. Kinda concerning its this way.It works for scanning, but it makes a loud beep you can't disable when you go into airplane mode or turn your phone off.

11. I'll scan get a reading saying I'm at 75 and then 5 mins later it tells me I never went below 110.

Steps to Troubleshoot & Fix FreeStyle Libre 2 Issues

1. Fix FreeStyle Libre 2 Not Working/Crashes/Errors/Unresponsive & Black/White screen:


  1. Restart FreeStyle Libre 2: Restarting the app will resolve most errors.
  2. Update the FreeStyle Libre 2 App. Here is how:
    1. On Android goto PlayStore » Search for "FreeStyle Libre 2" » Open FreeStyle Libre 2 - US » click "Update".
    2. On iPhone, goto AppStore » Your profile » Available Updates » Check for FreeStyle Libre 2 » click "UPDATE".
  3. Clear FreeStyle Libre 2 - US app cache: Clearing cached data will force your app to retrieve the latest data directly from FreeStyle Libre 2 servers.
    1. On Android, goto Settings » Apps » Select "FreeStyle Libre 2 - US" » click Storage » click "Clear Cache".
  4. Check FreeStyle Libre 2 app permissions. If any of these permissions required to use your device's features are disenabled, FreeStyle Libre 2 might not work.
  5. Uninstall and reinstall FreeStyle Libre 2. If nothing else has worked, completely uninstall FreeStyle Libre 2 then reinstall.
  6. Restart your device. Last, restarting your device can often clear most problems causing FreeStyle Libre 2 not working


2. Fix FreeStyle Libre 2 Server issues & Internet Connection


  1. Check network connection: An unstable Internet will make FreeStyle Libre 2 be unable to connect to it's servers. Ensure your wi-fi is working then restart app.
  2. Disable VPN: VPN can cause connection errors and lead to FreeStyle Libre 2 not working. Make sure all VPNs are off
  3. Enable background data: When Background data is turned off, FreeStyle Libre 2 may not be able to connect to the Internet when running in the background.

Reported Issues