Depending how the authentication service was set, there could have been a possibility to scan the QR code with any TOTP 2FA app and have it working. I guess th

Depending how the authentication service was set, there could have been a possibility to scan the QR code with any TOTP 2FA app and have it working. I guess that the university set up either the push notification feature or the numbers matching feature, which would render other TOTP compatible apps useless.