Huawei 3G Data Card User Manual page 55

10 Settings and Information Query
Data Card Management locks the SIM/USIM card. In this case, you
must use PUK. to unlock PIN.
If you do not use PUK to unlock PIN after SIM/USIM card is locked,
you can not use the related functions of SIM/USIM card. For
example, accessing the Internet, sending and receiving messages, and
reading message in SIM/USIM card.
Enable PIN Protection
You can enable the PIN protection of SIM/USIM card. After enabling the
protection, you must verify PIN at the next startup of the Data Card
Management.
1. Click
2. Select PIN Operation/Enable PIN Check in the shortcut menu.
3. Enter the correct PIN in the Enable PIN Check dialog box.
4. Click OK in the prompt dialog box.
Note
After enabling the PIN protection, you can disable PIN protection
based on your requirements.
The Data Card Management prompts you the remaining entry
attempts for PIN. If you enter the incorrect PIN consecutively for
three times, the Data Card Management locks the SIM/USIM card. In
this case, you must use PUK to unlock PIN.
If you do not use PUK to unlock PIN after SIM/USIM card is locked,
you can not use the related functions of SIM/USIM card. For
example, accessing the Internet, sending and receiving messages, and
reading message in SIM/USIM card.
Disable PIN Protection
You can disable the PIN protection in SIM/USIM card. After disabling the
protection, you do not need to verify PIN at the next startup of the Data Card
Management.
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or right-click in the taskbar.