Protect the data on your BlackBerry Bold 9700 smartphone by setting a screen lock password on it.
1. From the main screen, press Menu.
2. Select the Options app.
3. Select Password.
4. Set Password to Enabled.
Be sure to set the other options on this screen as desired. You should probably know that the Number of Password Attempts setting is the number of times you can type the password wrong before the device resets and wipes all your data off of the phone.