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5x more readings power 5x faster alarms4 that let you know the minute your glucose is too high or too low.¤
Optional glucose alarms are easy to turn on and off and easy-to-adjust sound and vibration.5
You can rely on proven alarm accuracy, especially in the low glucose range.6
Once you've started your sensor, follow the instructions below to receive alarms on the FreeStyle LibreLink◊ or FreeStyle Libre 3 app.◊◊
With the LibreLinkUp app, family members and friends can receive your real-time glucose readings and customise glucose alarms.^ For more information about connecting and sharing glucose information with caregivers, go to the LibreLinkUp page. To set up alarms on LibreLinkUp, follow the instructions below.
To receive optional glucose alarms on your smartphone, you need to make sure you have notifications enabled for the app. If you didn't enable all notifications and permissions during app set up, how you do it now depends on whether which app you're using and your phone's operating system.
On an iPhone
Open Settings
Go to Notifications and select the FreeStyle LibreLink app
Enable Allow Notifications
Tap to check the Lock Screen, Notifications Centre,
and Banners options to enable all notifications
If you use Do Not Disturb mode on your phone:
Turn off Do Not Disturb mode or select to turn on Override Do Not Disturb in your
alarm settings. Do this if you want the alarm to always play a sound and appear on
the lock screen even if your phone is muted or Do Not Disturb is on.
Note: You must accept the app's permission request for Critical Alerts to use this
feature. You can also enable the Critical Alerts setting directly from the app's notification settings.
On an Android device
Open Settings
Go to Apps, select the FreeStyle LibreLink app and select Notifications
Tap Notifications and enable All LibreLink Notifications
Tap Location and enable Allow only while using the app
If you selected Deny for Stop optimising battery usage during app set up, toggle Battery to allow
If you use Do Not Distrub mode on your phone:
Turn off Do Not Disturb mode or manage the settings for your alarms to override Do
Not Disturb
Note: Override Do Not Disturb functionality depends on the phone model and Android operating system version you are using.
There are some things you can do to make sure you don't miss any glucose alerts:
On an iPhone
In the phone settings, ensure Bluetooth is ON
In the phone settings for the FreeStyle Libre 3 App, allow the app to
access Bluetooth
In the phone settings for the FreeStyle Libre 3 App under Notifications:
Keep Allow Critical Alerts ON
Keep Allow Notifications ON
Keep Lock Screen and Banner alerts ON
Keep sounds ON
If you adjust the phone Media volume to silent or use the phone's Do Not Disturb setting:
Turn Override Do Not Disturb setting in the app ON for Low Glucose, High Glucose, and Signal Loss Alarms to ensure you receive audible alarms.
Note: You must accept the App’s permission request for Critical Alerts to use the Override Do Not Disturb feature. You can also enable the Critical Alerts setting directly from the App's notification settings.
There are some things you can do to make sure you don't miss any glucose alerts:
If you restart your phone, open your app to make sure it’s working properly.
Allow these permissions when requested or follow the instructions in the enabling notifications section of this page.
See the enabling notifications sections above for the correct configuration for your device.
To continue receiving low or high glucose alarms, check the following steps:
References & Disclaimers
Images are for illustrative purposes only. Not real patient or data.
* FreeStyle Libre apps refers to the the FreeStyle Librelink app which works with the FreeStyle Libre 2 sensor or FreeStyle Libre 3 app which works with the FreeStyle Libre 3 sensor only.
◊ The FreeStyle LibreLink app is only compatible with certain mobile devices and operating systems. Please check the website for more information about device compatibility before using the app. Use of FreeStyle LibreLink may require registration with LibreView.
◊◊ The FreeStyle Libre 3 app is only compatible with certain mobile devices and operating systems. Please check our website for more information about device compatibility before using the app. Sharing of glucose data requires registration with LibreView.
¤ For FreeStyle LibreLink users, notifications will only be received when alarms are turned on and the sensor is within 20ft unobstructed of the reading device. You must have override do not disturb settings enabled to receive alarms and alerts on your smartphone. For FreeStyle Libre 3 app users, notifications will only be received when alarms are turned on and the sensor is within 33ft unobstructed of the reading device.
§ The LibreLinkUp app is only compatible with certain mobile devices and operating systems. Please check www.librelinkup.com for more information about device compatibility before using the app. Use of LibreLinkUp requires registration with LibreView. The LibreLinkUp mobile app is not intended to be a primary glucose monitor: home users must consult their primary device(s) and consult a healthcare professional before making any medical interpretation and therapy adjustments from the information provided by the app.
^ Sharing glucose data requires registration with LibreView. The user’s device must have internet connectivity for glucose data to automatically upload to LibreView and to transfer to connected LibreLinkUp app users.
1. For full instructions please refer to your FreeStyle Libre App* User manual.
2. 3.9 mmol/L is the default Low Glucose Alarm level and can be set between 3.3-5.6 mmol/L.
3. The default High Glucose Alarm level is 13.3 mmol/L on the FreeStyle LibreLink app and 13.9 mmol/L on the FreeStyle Libre 3 app and can be set between 6.7-22.2 mmol/L.
4. Dexcom G6 CGM User Guide and Medtronic Guardian Connect System User Guide.
5. Data on file, Abbott Diabetes Care, Inc.
6. Alva, S. J Diabetes Sci Technol (2020): https://doi.org/10.1177/1932296820958754.
The “Yes” link below will take you to a website other than Abbott Laboratories. Links pointing you to other websites are not under the control of Abbott Laboratories, and Abbott Laboratories is not responsible for the content of such websites or other links contained on such website. Abbott Laboratories provides these links only as a courtesy and the inclusion of any link does not imply endorsement by Abbott Laboratories of the site.
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