Enabling the Subscriber Identity Module (SIM) Personal Identification Number (PIN) locks the SIM card so it can't be used until the correct code is entered. If the incorrect PIN code is entered too many times, refer to Locating the 4G SIM PIN/PUK - My Verizon Website to obtain a new PIN Unblocking Key (PUK).
From a Home screen, swipe up to access all apps.
Navigate: Settings > Security & Location .
Tap SIM card lock.
Tap the Lock SIM card switch to turn on or off .
If presented with a SIM Lock prompt, tap OK.
Enter the current SIM PIN then tap OK.
The default SIM PIN is 1111.