Huawei Ascend G620 - Manual (Page 97)

Settings
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Touch GPS satellites to have your phone obtain your location information
from GPS satellites.
•
Touch Wireless networks to have your phone obtain your location
information from a Wi-Fi network or mobile data connection.
Setting the PIN of your SIM card
The personal identification number (PIN) is delivered with your SIM card. If
you enable the PIN protection function for your SIM card, you will need to
enter the PIN each time you power your phone on.
Before you perform the following operations, make sure you have obtained
your SIM card's PIN from your service provider.
1. On the home screen, touch then the All tab.
2. Under PERSONAL , touch Security .
3. Touch Set up SIM/RUIM card lock .
4. Select the Lock SIM card check box.
5. Enter the PIN.
6. Touch OK .
If you incorrectly enter the PIN a specified number of consecutive times,
the PIN is blocked and the phone prompts you to enter the PIN
unblocking key (PUK). If you incorrectly enter the PUK a specified
number of consecutive times, the SIM card will be disabled permanently.
For details about the maximum retry attempts for the PIN and PUK,
contact your service provider.
Restoring factory settings
Restoring your phone to its factory settings erases all your personal data from
the phone, including your email accounts, system and application settings,
and installed applications.