Disabling Screen Lock Settings; Setting Up Credential Storage - Zte AT Z998 User Manual

Cannot Recall Your PIN or Password?
You have up to five attempts to unlock your phone. If you still cannot recall the PIN
or password, you will need to either contact your carrier for the PUK (PIN Unlock
Key) code for the device or return it for service.

Disabling Screen Lock Settings

If you have created an unlock pattern, PIN or password, you can disable it.
From the home screen, press
Screen lock.
Draw the screen unlock pattern or enter the PIN/password you have created.
Tap Next None.

Setting Up Credential Storage

This lets you select applications to access secure certificates and other
credentials.
Enabling Secure Credentials
From the home screen, press
Tap Install from SD card to install certificates from your microSD card.
Deleting Secure Credentials
From the home screen, press
Tap Clear credentials OK to clear credentials.
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System settings Security
System settings Security.
System settings Security.
Phone Settings