Your Glucose Meter Reader or the Phone app will not display a glucose reading until 60 minutes elapses after the first scan of the sensor with the Libre hand scanner or your phone with the Libre app.
After that initial delay time, my experience with multiple sensors, but not all has been the...
Been dealing with inane Libre II sensor issues for a few years now. Latest has been, "Signal Loss Alarm", and prompt to scan the sensor non-sense. Scanning the sensor stops the alarms for about five to ten minutes, and then the pest returns. It had been occurring intermittently for about three...