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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. To change your PIN, you need to turn on use of PIN.
1. Find "Change PIN"
Press Mobile Data.
Press SIM PIN.
Press Change PIN.
2. Change PIN
Key in your current PIN and press Done.
If an incorrect PIN is entered three times in a row, your SIM will be blocked. To unblock your SIM, you'll need to key in your PUK. The PUK can be obtained by contacting customer services. Please note: If you key in the wrong PUK ten times in a row, your SIM will be blocked permanently. In this case, you need a new SIM from your operator.
Key in a new four-digit PIN and press Done.
Key in the new PIN again and press Done.
3. Return to the home screen
Press the Home key to return to the home screen.