Nokia Lumia 2520 - Change your PIN code

If your SIM card came with a default PIN code, you can change it to something more secure.

  1. Swipe in from the right of the screen, and tap charm settings iconSettings > Change PC settings > Network > Connections.
  2. Tap the mobile broadband network name.
  3. Under Security, tap Change PIN.

The PIN code can be 4-8 digits.