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Unknown Sources
Before you can download a web application you must enable
the Unknown sources feature (enables downloading).
Developers can use this option to install non-Play Store
applications.
1. Press
and lock screen.
2. Tap Unknown sources to active this feature.
Note: If you are notified that you can not download a Play
Store application because it comes from an "Unknown
source", enabling this option corrects this issue.
and then tap Settings
Security
Credential Storage
This option allows certain applications to access secure
certificates and other credentials. Certificates and
credentials can be installed to the SD card and password
protected.
1. Press
and lock screen.
2. Tap Trusted credentials to display only trusted CA
certificates. A check mark displayed next to the feature
indicates secure credentials.
3. Tap Install from device storage to install encrypted
certificates from the USB Storage location.
4. Tap Clear credentials to clear the device (SD card or
phone memory) of all certificate contents and reset the
credentials password.
and then tap Settings
Changing Your Settings
Security
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