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Samsung Galaxy Note9
Android 8.1
1 Find "Biometrics and security"
Slide your finger downwards starting from the top of the screen.
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Press the settings icon.
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Press Biometrics and security.
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2 Create phone lock code using iris scanning
Press Iris Scanner.
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Press CONTINUE.
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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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Press TURN ON.
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Press the Return key.
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3 Turn off use of phone lock code
Press Screen lock type and key in the additional phone lock code you created earlier.
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Press None.
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Press REMOVE DATA.
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Press REMOVE.
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4 Return to the home screen
Press the Home key to return to the home screen.
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