- 1On the Home screen's Settings tab, Touch Security > Phone lock.
Select the Prompt if phone unused for check box, and then specify the idle time before the phone requires a password.
If you choose 0 Minutes, you will need to input the password every time you wake the phone up from Sleep mode.
From the Password type list, select the type of password you would like to use:
• Simple PIN. This consists of four digits.Do not begin the password with the local emergency phone number, as you may call the number accidentally when trying to unlock the phone.
• Strong alphanumeric. This is more secure than a simple PIN. It must be at least seven characters long and contain at least three of the following character types: uppercase letters, lowercase letters, digits, and punctuation marks.
Enter the password in both the Password and Confirm boxes.
Touch Yes to save your password settings.
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