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What is Scan to Backfill and how does it work?

If a user discovers a gap in their glucose data on the graph, they can scan their FreeStyle Libre 2 or FreeStyle Libre 2 Plus sensor with the Libre app* to recover and fill in data from the last 8 hours.

*The FreeStyle Libre systems apps are only compatible with certain mobile devices and operating systems. Please check the Support section of our website for more information about device compatibility before using the apps. Use of the FreeStyle Libre systems apps may require registration with LibreView.


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