Unblock SIM PIN - Nokia Lumia 2520

Note The PIN Unblocking Key (PUK) is utilized to reset a blocked SIM card.

  • For Postpaid accounts, you must obtain the PUK via the My Verizon website before proceeding.
  • For Prepaid accounts, contact customer service to obtain the PUK before proceeding.


  1. From the right edge of the screen, swipe left to display the charms menu.
    Swipe left with Charms menu
  2. Tap Settings.
  3. Tap Change PC settings (located in the lower-right).
  4. From the left-pane, tap Network.
    Note If not available, tap the left arrow icon (located in the upper-left) as necessary until "PC settings" appears in the upper-left.
  5. Ensure that "Connections" is selected from the left-pane then tap Unnamed from the "Mobile broadband" section.
  6. From the "Security" section, tap Unblock PIN (may require scrolling to the bottom).
  7. From the "Unblock your PIN" screen, enter the appropriate information into the following fields:
    Caution If an invalid PUK is entered too many times, the SIM card may be permanently disabled.
    • PUK
    • Enter new PIN
    • Confirm new PIN
  8. Tap OK.