D-Link DIR-457U - Changing a PIN Code; Unlocking a PIN Code

51D-Link DIR-457U User Manual
Section 4 - Device Setup using D-Link Connection Manager (MAC OS)
Changing a PIN Code
SIM cards often contain two PIN codes that can be changed.
1. Click Tools > Change PIN Code > PIN1 or PIN2.
2. Enter the details in the following elds: Current PIN Code, Enter New PIN
Code and Conrm New PIN Code.
3. Click OK to change.
4. Once complete, a conrmation window will be displayed. Click OK to close
the window.
Warning: The PIN code must be entered correctly within three tries. Failure to do
so will cause the SIM card to become locked.
Note: The PIN codes cannot be changed while the DIR-457U is connected to a
mobile network.
Unlocking a PIN Code
If the PIN code has been entered incorrectly three times and the SIM card has been locked, follow the steps below to unlock it:
1. If a PIN is blocked, the unblock window will be displayed.
2. Enter the PUK code. Enter the new PIN Code, and conrm the new code.
3. Click OK to conrm the new PIN code.
Note: The PUK number is provided by your mobile service provider.