![background image](https://i.berrydoc.net/BlackBerry 9720/en/BlackBerry 9720_en382.png)
Check the status of your authentication certificate automatically
Before you begin: To perform this task, you must be using a smart card and a password to unlock your BlackBerry
smartphone.
1.
On the home screen or in a folder, click the Options icon.
User Guide
Security
382
![background image](https://i.berrydoc.net/BlackBerry 9720/en/BlackBerry 9720_en383.png)
2.
Click Password.
3.
If necessary, change the User Authenticator field to Smart Card.
4.
Change the Certificate Status Check field.
5.
Press the
key > Save.
If your smartphone checks the status of your authentication certificate and finds that it is revoked or expired, your
smartphone locks.