The QR code may change automatically based on your school’s security settings. For example, it can refresh every hour, every few hours, or once per week. This feature adds an extra layer of security by ensuring that outdated codes cannot be reused
Why does the QR code work sometimes and expire at other times?
If your school has turned on QR code regeneration, older codes will expire after a set time (e.g., every hour), and you must scan the updated code to check in/out. If regeneration is turned off, the same QR code remains active and does not expire.

