Turn SIM PIN On / Off - MiFi® 4G LTE Global USB Modem U620L

Note 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).


  1. Access the Administration Web Interface.
  2. From the left menu, click Settings.
  3. Click the SIM tab.
  4. From the Desired Action dropdown menu, click 'Turn on PIN lock' to enable or 'Turn off PIN lock to disable.'
  5. From the 'Enter current PIN' field, enter the current SIM PIN.
    Note The default SIM PIN is 1111.
  6. Click Save Changes (located in the lower-right).


Related Topic: Modify the SIM PIN