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Settings
Item
Description
Security
Unknown
sources
Set whether to permit
installation of applications
other than ones provided by
Google Play.
Verify apps
Set whether to deny install
or display warning before
installation of harmfulness
application.
Storage
type
Show the location for
credential storage backup.
Trusted
credentials
Display trusted certificates.
Install from
device
storage
*3
Install certificates from the
system memory (terminal).
Clear
credentials
Delete all certificates and
passwords such as VPN
setting information.