11.7.5Credential storage
Use secure credentials
Mark the check box to allow applications to access your phone’s encrypted store of secure certificates and related passwords and other credentials. Credential storage is used to establish some kinds of VPN and
Install from SD card
Touch to install encrypted certificates from the microSD card.
Set password
Touch to set or change a password for the credential storage (at least 8 characters).
Clear storage
Touch to clear credential storage of all contents and reset its password.
11.8Applications
You use the Applications settings to view details about the applications installed on your phone, to manage their data and force them to stop, and to set whether you want to permit installation of applications that you obtain from web sites and email.
Unknown sources
Mark the check box to permit installation of applications that you obtain from web sites, email, or other locations other than Google Play Store.
To protect your phone and personal data, download applications only from trusted sources, such as Google Play Store.
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