HTC DROID DNA User Guide - Page 275

Protecting your SIM card with a PIN Settings and security 275 Add another layer of security for Droid DNA by HTC by assigning a PIN (personal identification number) to your SIM. When you're prompted to enter the default SIM PIN, enter 1111. 1. Slide the Notifications panel open, and then tap > Security. 2. Tap Set up SIM card lock, then select Lock SIM card. 3. Enter the default SIM card PIN, and then tap OK. 4. To change the SIM card PIN, tap Change SIM PIN. Restoring a SIM card that has been locked out If you enter the wrong PIN more times than the maximum number of attempts allowed, your SIM card will become "PUK-locked." You need a PUK code to restore access to Droid DNA by HTC. To obtain your PUK code, please contact Verizon Wireless customer service. 1. On the Phone dialer screen, enter the PUK code, and then tap Next. 2. Enter the new PIN you want to use, and then tap Next. 3. Enter the new PIN again, and then tap OK.