Microsoft Lumia 640
Read help info
The PIN protects your SIM from unauthorised use if your phone should get stolen. You can change your PIN to a PIN easier to remember of your choice. Remember, you need to turn on use of PIN.
1. Find "change SIM PIN"
Press the phone icon.
Press the dots in the bottom right corner of the display.
Press settings.
Press change SIM PIN.
2. Change PIN
Key in your current PIN and press enter.
Key in a new four-digit PIN and press enter.
Key in the new PIN again and press enter.
3. Return to the home screen
Press the home icon to return to the home screen.
Email this article to your friend
Required information *