Disable The Sim Pin; Unblocking A Sim Pin - Sierra Wireless AirLink ES440 User Manual

ALEOS 4.4.0 Software Configuration User Guide
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• The SIM PIN pop-up window shows the default settings. Don't change is
selected and the SIM PIN fields are blank. "Don't change" indicates that the
PIN is used in the same way on every boot.
Note: If you enter an incorrect PIN, the Network Status field on the Status > Home screen
displays "SIM PIN incorrect, # attempts left". The failed PIN is not retried on subsequent
reboots to prevent exhausting the available number of retries with repeated attempts using
an incorrect PIN.

Disable the SIM PIN

To disable the SIM PIN:
1. In ACEmanager, go to WAN/Cellular.
2. Click the SIM PIN button. The following pop-up window appears.
3. Select Disable.
4. Enter the PIN twice and click Save.
If you enter an incorrect PIN or no PIN, the feature will not be disabled.
5. Reboot the AirLink device.
After rebooting:
• The AirLink device no longer uses the stored PIN on subsequent re-boots.
• The SIM PIN pop-up window shows the shows the feature is Disabled.

Unblocking a SIM PIN

When you enable, change or disable a SIM PIN, you have a set number of
attempts to enter the correct PIN, depending on your Mobile Network Operator. If
the correct PIN is not entered in the alloted number of attempts, the SIM PIN
becomes blocked and you need a PUK code to unblock it.
To unblock a SIM PIN:
1. Contact your Mobile Network Operator to obtain a PUK code.
2. In ACEmanager, go to WAN/Cellular.
3. Click the SIM PIN button.
When the PIN is blocked, an additional field (Enter SIM Unblock Code)
appears.
4. Enter the PUK and click Save.
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