Huawei U8100 User Guide - Manual (Page 161)

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Managing Your Mobile Phone
1. On the Settings screen, touch Privacy.
2. Select the Back up my settings check box.
Restoring Factory Data
If you reset your phone to the settings that were configured at
the factory, all of your personal data from internal phone
storage, including information about your Google Account, any
other accounts, your system and application settings, and any
downloaded applications will be erased. Resetting the phone
does not erase any system software updates you’ve
downloaded or any files on your microSD card, such as music or
photos.
1. On the Settings screen, touch Privacy > Factory data reset.
2. When prompted, touch Reset phone, and then touch Erase
everything. The mobile phone resets the settings to the
original factory settings, and then restarts.
Upgrading the Software Version
Before upgrading the software on your mobile phone, ensure
that your mobile phone is fully charged and the upgrade version