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Device
Set whether to enable device
administrators
administrating function.
Unknown sources Set whether to permit installing
before downloading unknown
sources application. Some
applications may be of unknown
origin.
To protect the terminal and
personal data, only download
applications from trusted
sources.
Verify apps
Set whether to prohibit
installation of possibly harmful
applications or to warn before
installation.
Notification access Set whether to display
notifications from systems and
installed applications, including
contacts and mail messages.
Storage type
Show type of credential storage.
Trusted credentials Display trusted CA credentials.
Install from device
Install encrypted certificates.
memory/SD card
Clear credentials
Clear all certificates or credential
information from the credential
storage.
*1 Displayed items vary depending on "Screen lock"
settings.
*2 Not displayed if a docomo nano UIM card is not
inserted.
*3 Save certificates and credential information in the
credential storage.
*4 VPN settings are also cleared.
*3*4
❖ Information
It takes time to encrypt the terminal. Start encryption
･
while charging the terminal with the battery fully-
charged and continue to charge until the encryption
is complete.
To decrypt the terminal, reset (P.171) to the default
･
status.
Security codes for the terminal
Some functions provided for convenient use
of the terminal require the security code to
use them. Besides the security code for
locking the terminal, the network security
code necessary for the network services etc.
are available. Make use of the terminal using
an appropriate security code according to
the purpose.
Notes on the security codes
■
Avoid using a number that is easy to
･
guess, such as "birth date", "part of your
phone number", "street address number
or room number", "1111", and "1234".
Make sure to make a note of the security
code you set lest you should forget it.
Be very careful not to let others know your
･
security code. If your security code is
known by anyone else, DOCOMO shall
have no liability for any loss due to any
unauthorized use of it.
166
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