DSL-2750U 3G/ADSL/Ethernet Router with
Wi-Fi and Built-in Switch
User Manual
Configuring via Web-based Interface
Figure 67. The USB modem / PIN page. The PUK code check.
If upon one of the operations described above you have entered an incorrect value in the PIN code
field three times (the number of remaining attempts is displayed in the Attempts left field), the
identification card inserted into your USB modem is blocked. For further use of the card, enter the
PUK code in the relevant field, and then specify a new PIN code for your SIM card in the New PIN
code and New PIN code confirmation fields. Click the Change button.
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