Changing your lock code
In a lock code, only numeric characters are accepted.
1. Enter Menu 4 3 2 3 (Settings - Security settings -
Access codes - Change lock code)
2. Enter lock code at Enter lock code: and press OK
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3. Enter new lock code, press OK
4. Verify new lock code, press OK
Note: When you change your lock code, make sure you store it
in a safe place, away from your phone. Avoid entering access
codes similar to emergency numbers to prevent accidental
emergency calls.