Pin Management - Huawei E620 User Manual

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
The PIN value ranges from 4 to 8 digits.
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The Data Card Management prompts the remaining entry attempts
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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.
If you do not use PUK to unlock PIN after SIM/USIM card is
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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
2. Select PIN Operation/Change PIN in the shortcut menu to display the
Change PIN dialog box.
10 Settings and Information Query
or right-click in the taskbar.
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