1. Find "Screen lock type"
Slide your finger downwards starting from the top of the screen.
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Press the settings icon.
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Press Lock screen and security.
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Press Screen lock type.
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2. Create phone lock code using iris scanning
Press Irises.
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Press OK.
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Press the required phone lock code and follow the instructions on the screen to create an additional phone lock code.
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Press CONTINUE.
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Follow the instructions on the screen to create the phone lock code using iris scanning.
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3. Turn off use of phone lock code
Press Screen lock type and key in the current phone lock code.
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Press None and follow the instructions on the screen to turn off use of phone lock code.
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4. Return to the home screen
Press the Home key to return to the home screen.
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