Upgrade In-Service - Huawei E620 User Manual

10 Settings and Information Query
PUK Unlock
You can use PUK to unlock PIN and reset new PIN when SIM/USIM card is
locked.
1. When SIM/USIM card is locked, start the software to display the PUK
Verification dialog box.
2. Enter the correct PUK and the new PIN in the PUK Verification dialog
box.
3. Click OK to finish unlocking the PIN.
The parameters and their descriptions are listed below:
Parameter
Current PUK
New PIN
Validate PIN
Note
The Data Card Management prompts the remnant entry times for
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PUK. If you enter the incorrect PUK ten times consecutively, the SIM/USIM
card is locked permanently. In this case, please consult related carriers.
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.

Upgrade In-Service

While accessing the Internet by using the data card, you can upgrade the
Huawei 3G Data Card Management in either of the following ways:
Manually upgrade
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Auto upgrade
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50
HUAWEI
Value range
4 to 8 digits PUK of SIM/USIM card.
4 to 8 digits New PIN.
4 to 8 digits New PIN confirmation.
Description