When you see a "Calibration Failed" message, it means that you recently entered a fingerstick blood glucose value, but your BUZUD CGM sensor is having trouble calibrating.

Please follow the instructions on the screen:

• If the message says "You can only enter the current time and earlier times", make sure the time you entered is not in the future.
• If the message says "If the issue persists after retrying, please contact customer support", wait 15 minutes and try entering your fingerstick reading again.
• If calibration continues to fail after multiple attempts, please contact customer support for assistance.