Security code: This code, supplied with the phone, protects your phone against unauthorized use. The preset code is 12345.
PIN code: This code, supplied with the SIM card, protects the card against unauthorized use.
Activate the PIN code request in the Security settings menu so that the code is requested each time the phone is switched on.
If you enter the PIN code incorrectly three times in succession, the SIM card is blocked. You must enter the PUK code to unblock the SIM card and set a new PIN code.
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