BlackBerry 9900/9930 Bold Series 사용자 설명서

Restoring your data

Research In Motion recommends that you regularly create and save a backup file on your computer, especially before you 
update any software. Maintaining a current backup file on your computer might allow you to recover smartphone data if 
your smartphone is lost, stolen, or corrupted by an unforeseen issue.
Related information

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I forget my smartphone password, 

42 

My smartphone prompts me to make an emergency call when I type a password, 

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Set or change your smartphone password

If you forget your BlackBerry smartphone password, it can't be recovered. You can reset your password without knowing 
your current password by deleting all your smartphone data.
Research In Motion recommends that you regularly create and save a backup file on your computer, especially before you 
update any software. Maintaining a current backup file on your computer might allow you to recover smartphone data if 
your smartphone is lost, stolen, or corrupted by an unforeseen issue.

1.

On the home screen or in a folder, click the Options icon.

2.

Click Security > Password.
• To set a password, click Set Password.
• To change your password, click Change Password.

3.

Type a password.

4.

Press the 

  key > Save. 

To turn off your smartphone password, clear the Enable checkbox.

Related information

Require your smartphone password before adding an app, 

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31 

178 

313 

I forget my smartphone password, 

42 

315

Lock or unlock your smartphone

You can lock the keyboard and screen to avoid pressing a key or the screen accidentally or making calls accidentally and, if 
you have set a BlackBerry smartphone password, you can also lock your smartphone with a password.

Do one of the following:

User Guide

Security

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