Settings
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Unknown Sources
If you want to install apps from sources other than the Google Play Store, you must allow the
installation of apps from unknown sources first.
1. From the home screen, touch
>
Settings
>
Security
.
2. Check
Unknown sources
and touch
OK
.
Note:
To protect your phone and personal data, please download apps from trusted sources, such as the
Google Play Store app.
Verify Apps
Disallow or display warnings before you install applications that may cause harm.
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From the home screen, touch
>
Settings
>
Security
and check or uncheck
Verify
apps
.
Credential Storage
This section provides options allowing you to control how your phone accesses and stores secure
certificates, passwords, and other credentials.
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From the home screen, touch
>
Settings
>
Security
, and then touch an option to
access its settings.
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Storage type:
Check the credential storage type.
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Trusted credentials:
Display trusted CA certificates.
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Install from SD card:
Install certificates from the microSDHC card.
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Clear credentials:
Delete all certificates.
Backup & Reset
Your phone's Backup & reset menu lets you select backup and restore options and perform a
factory data reset.
The Factory data reset option erases all data on your phone and restores it to the original factory
settings. The data removed from the phone includes your Google Account, all system and app data
and settings, and all downloaded apps.
To back up or restore: