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Lock SIM card:
Activate or deactivate the PIN lock to
require PIN before accessing the micro-UIM card.
Change SIM PIN:
Change the PIN used to access the
micro-UIM card.
NOTE:
Put all your confidential passwords in a safe place for future
use. If you enter the wrong UIM PIN more times than
allowed, your micro-UIM card will be locked and you cannot
access the mobile phone network. Contact your operator for
a PIN Unlock Key (PUK) to restore the micro-UIM card.
Make passwords visible:
Display passwords as you enter
them.
Device administrators:
View or deactivate apps you have
authorized to be device administrators.
Unknown sources:
Enable this option to permit installation
of apps from sources other than the Play Store.
Storage type:
Check the credential storage type.
Trusted credentials:
Display trusted CA certificates.
Install from SD card:
Install certificates from the phone
storage or the microSDHC card.
Clear credentials:
Delete all certificates.
Trust agents:
View or deactivate trust agents.
Screen pinning:
Keep a screen of your choice in view, so
that others cannot switch to other apps and access your
personal information. See
Summary of Contents for Z819L
Page 1: ...1 Z819L User Manual ...
Page 11: ...11 Radio Frequency Interference 165 Explosive Environments 166 Specifications 168 ...
Page 13: ...13 Back Cover Speaker Charging micro USB Jack Headset Jack Back Camera Flash Power Key ...
Page 85: ...85 separate 3 Touch Separate 4 Touch OK to confirm ...
Page 145: ...145 About Phone View important phone information and legal information ...