Denso BHT-1260BWB-CE User Manual page 172

BHT-1200 Series
[2] PIN Authentication
The PIN1/PUK1 authentication is necessary in order to connect to a
network while the SIM PIN is enabled.
The "PIN Authentication" button is displayed when the PIN1/PUK1 is
required to be entered.
Follow the steps below for the PIN1/PUK1 authentication.
1. Tap the "PIN Authentication" button.
2. Enter the PIN1 then tap the "OK" button.
Enter the PUK1 and a new PIN1 then tap the "OK" button.
[3] Change SIM PIN
Follow the steps below if the PIN1 is necessary to change.
1. Tap the "Change PIN1" button.
2. Enter the current PIN1 then tap the "OK" button.
3. Enter a new PIN1 then tap the "OK" button.
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