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How does scanning to backfill work?

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

◊ The FreeStyle LibreLink 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. Use of the FreeStyle LibreLink app may require registration with LibreView.