Freestyle Libre 2 Manual Del Usuario página 124

What it may mean: One or more of the phone settings or permissions is
incorrect.
What to do: Check to make sure that your have the correct settings and
permissions enabled on your phone to receive alarms.
iPhone settings:
Bluetooth is ON
Allow Critical Alerts is ON
Allow Notifications is ON
Lock screen and Banner alerts are ON
Notifications sounds are ON
Android Phone settings:
Bluetooth is ON
Lock screen notifications are ON
Channel notifications or Pop-up notifications are ON
Battery optimization is OFF
Do Not Disturb access permission is ON
Phone Media volume is ON
Go to
Setting App Alarms
What it may mean: You may have set an alarm level that is higher or lower than
you intended.
What to do: Confirm your alarm settings are appropriate.
What it may mean: You have already dismissed this type of alarm.
What to do: You will receive another alarm when a new low or high glucose
for more information.
ART46983-001_rev-A 24-Aug-2022 2:30pm