Security Settings - Huawei U7520-5 User Manual

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Introduction
2.
Flick between the applications list in the upper of the screen. Drag the
application icon you desired to center of the screen to close.

Security Settings

Select Security > Phone and SIM card > Desired item.
Enter the password of your phone to restore factory defaults. The
initial password is 0000.
If the phone lock or PIN lock is enabled, you need to enter the
corresponding password when you switch on your phone.
Change the password of your phone, PIN code, or PIN2 code.
Set the fixed dialer number list to define the numbers that your phone
can dial. This function needs to be supported by the SIM card.
N
:
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For certain SIM cards, you need to enter the PIN2 code to use certain
special functions.
If you enter a wrong PIN code or wrong PIN2 code for three
consecutive attempts, the SIM card is locked. To unlock the SIM card,
enter the PIN Unblocking Key (PUK) code or PUK2 code.
If you enter a wrong PUK code or a wrong PUK2 code for ten
consecutive attempts, the SIM card will get invalidated permanently,
and only emergency calls will be allowed. Consult your service
provider to unlock the SIM card.
The PIN code, PIN2 code, PUK code, or PUK2 code is provided with
the SIM card. For details, consult your service provider.
13

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