1. Find "Phone lock"
Press the Left selection key.
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Select Settings and press the Left selection key.
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Select Security and press the Left selection key.
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Select Phone lock and press the Left selection key.
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2. Turn on use of phone lock code
Select On and press the Left selection key.
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Key in the phone lock code (default is 12345) and press the Left selection key.
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3. Turn off use of phone lock code
Select Phone lock and press the Left selection key.
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Select Off and press the Left selection key.
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Key in the phone lock code (default is 12345) and press the Left selection key.
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4. Return to the home screen
Press the Home key to return to the home screen.
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