10 Settings and Information Query
HUAWEI
47
PIN Management
PIN can prevent your SIM/USIM card from illegal usage. Usually, PIN is
provided along with SIM/USIM card. You can modify PIN, or set whether
PIN is required at the Data Card Management startup or not. PIN
management includes the following operations:
Verify PIN
After you Enable PIN Protection, you must enter the correct PIN to use the
related functions of SIM/USIM card, such as accessing the Internet, sending
and receiving messages, and reading messages in SIM/USIM card.
1.
After starting the Data Card Management, display the
Check
PIN
dialog
box.
2.
Enter the correct PIN in the
Check
PIN
dialog box.
3.
Click
OK
to finish the PIN verification.
Note
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The PIN value ranges from 4 to 8 digits.
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The Data Card Management prompts the remaining entry attempts
for PIN. If you enter the incorrect PIN three times consecutively, the Data
Card Management locks the SIM/USIM card. In this case, you must use
PUK to unlock PIN.
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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.
Modify PIN
You can modify the current PIN, and the new PIN automatically takes effect.
1.
Click
or right-click
in the taskbar.
2.
Select
PIN Operation
/
Change PIN
in the shortcut menu to display the
Change PIN
dialog box.