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27D-Link DWM-156 User Manual
Section 9 - SIM Management
Changing a PIN Code
SIM cards often contain two PIN codes that can be changed.
Click 1. Tools > Change PIN Code > PIN1 or PIN2.
Enter the details in the following elds: Current PIN Code, Enter New PIN 2.
Code and Conrm New PIN Code.
Click 3. OK to change.
Once complete, a conrmation window will be displayed. Click 4. 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 DWM-156 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:
If a PIN is blocked, the unblock window will be displayed.1.
Enter the PUK code. Enter the new PIN Code, and conrm the new code.2.
Click 3. OK to conrm the new PIN code.
Note: The PUK number is provided by your mobile service provider.