Pin Code - D-Link DWR-720P User Manual

 In the idle screen  [Menu]  [Settings]  [4.Security]  [Power-on password].
 You now have the option to Activate, Modify or switch Off the Phone Lock feature.
 In order to Activate, Modify or switch Off, you will be required to enter the phone password.
Note: It is highly recommended to change the default password to a 4-8 digit code only you will know
and remember.
To change the phone password, please follow these steps:
 In the idle screen  [Menu]  [Settings]  [4.Security]  [Power-on password]  [2.Modify].
 You will be required to enter the current password before you can create a new one.
 [Please input password]  [OK]  [Input new password]  [OK]  [Confirm new password]  [OK].

2.2.4 PIN code

 PIN code is used to prevent illegal use of user's SIM card.
 If your phone has enabled PIN code protection, you will be prompted to enter your PIN code.
 If the wrong PIN code is entered three times consecutively the SIM card will be automatically soft locked.
 You will be required to enter the PUK code to unlock it.
 The PIN code is related to SIM card, not the telephone and is provided by your Network Service Provider.
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