An alarm issue was reported with the freestyle libre 2 sensor while in use with the freestlye librelink application.Customer reported a signal loss and stated the low glucose alarm did not sound.As a result of not being audibly alerted of changes in glucose levels, customer experienced "total body mobility loss" and a fall and was unable to self-treat, requiring treatment of "1 juice with 2 sugars" by her husband.During the course of troubleshooting, it was determined customer had pop up notifications deactivated on the lock screen.There was no report of death or permanent injury associated with this event.
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