Samsung D410 User Manual - Page 175
PIN, PUK, PIN Check feature
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Access Codes PIN The Personal Identification Number or PIN (4 to 8 digits) protects your SIM card against unauthorised use. It is usually supplied with the SIM card. If you enter an incorrect PIN three times in succession, the code is disabled and cannot be used until you re-enable it by entering the PUK (see below). To activate/deactivate the PIN Check feature change the PIN See page 131 (Menu 7.6.1). page 132 (Menu 7.6.2). PUK The 8-digit PUK (PIN Unblocking Key) is required to change a disabled PIN. The PUK may be supplied with the SIM card. If not, or you have lost it, contact your service provider. To re-enable your PIN: 1. Enter the PUK and press the OK soft key. 2. Enter a new PIN of your choice and press the OK soft key. 3. When the Confirm New PIN message displays, enter the same code again and press the OK soft key. If you enter an incorrect PUK ten times in succession, the SIM card becomes invalid. Contact your service provider for a new card. 175