Overmax Quattor 10, Руководство пользователя

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Security
Screen security
：
（
1
）
screen lock
：
Choose the unlock mode when screen lock.
（
2
）
owner information: Set the owner information which displayed
when the screen lock.
（
3
）
passwords: Whether display the characters when inputting
password.
Device administration
：
（
1
）
Device administrator: View or deactivate device administrators.
（
2
）
Unknown sources: Whether this option setting permits installing
the applications which don’t purchase from Android market.
Credential storage:
（
1
）
Trusted credentials: Display confidential CA certification.
（
2
）
Install from SD card: Install certification from SD card.
（
3
）
Clear evidence: Delete all certifications.