1. Find "Screen Lock"
Press the Navigation key.
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Select the settings icon.
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Select Privacy & Security.
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Select Screen Lock.
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2. Turn on use of phone lock code
Select Screen Lock.
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Select On.
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Key in the required phone lock code twice and press the Right selection key.
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3. Turn off use of phone lock code
Select Screen Lock.
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Select Off.
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4. Return to the home screen
Press Disconnect several times to return to the home screen.
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