Security
Which device do you want help with?
Security
Set a PIN lock.
1. From the AT&T Manager Website, click the arrow beneath Settings.
2. Click SIM then click Turn on SIM PIN Lock.
3. Enter the Current PIN, then click Save changes.
4. To change the SIM PIN, click Change SIM PIN.
5. Enter the Current PIN, then enter and confirm the desired PIN. Click Save changes.
2. Click SIM then click Turn on SIM PIN Lock.
3. Enter the Current PIN, then click Save changes.
4. To change the SIM PIN, click Change SIM PIN.
5. Enter the Current PIN, then enter and confirm the desired PIN. Click Save changes.