Owner info: Set the text that you may display on the lock
screen.
Encrypt phone: Encrypt your data on the phone to protect
your privacy. See
With
Encryption.
Set up SIM/RUIM card lock:
Lock SIM card: Activate or deactivate the PIN lock to
require PIN before accessing the SIM card.
Change SIM PIN: Change the PIN used to access the
SIM 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: Check this option to permit installation
of apps from sources other than the Play Store.
Trusted credentials: Display trusted CA certificates.
Install from SD card: Install certificates from the memory
card.
Clear credentials: Delete all installed certificates.
Language and Input
Language: Select a language and region for your system.
Spell checker: Use Android spell checker to check for
spelling errors when entering text.
Personalizing - Protecting Your Phone
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