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Lock the screen
You can lock the screen to avoid pressing it accidentally. If your email account uses a BlackBerry® Enterprise Server, depending on the options
that your administrator sets, you might not be able to perform this task. For more information, contact your administrator.
Press the Lock key on the top left of your BlackBerry® device.
To unlock the screen, press the Lock key again. If necessary, type your device password.
Set a limit for device password attempts
1. On the Home screen or in a folder, click the Options icon.
2. Click Security > Password.
3. Change the Number of Password Attempts field.
4. Press the key > Save.
Delete device data, third-party applications, or media card files
Before you delete your BlackBerry® device data or media card files, consider backing up these items so that you have a copy on your computer.
CAUTION: If you have turned on encryption, the process for deleting all device data can take up to an hour to complete. You cannot stop the
process after you start it. If you reset your device, the process restarts after the device restarts.
1. On the Home screen or in a folder, click the Options icon.
2. Click Security > Security Wipe.
• To delete data from the messages application, contacts application, and other applications, select the Emails, Contacts, Etc check
box.
• To delete all third-party applications that you have added, select the User Installed Applications check box.
• To delete all files from your media card, select the Media Card check box.
3. Type blackberry.
4. Click Wipe.
If you are preparing your device for resale and you have an email account that uses the BlackBerry® Internet Service, to prevent messages from
this account from being sent to your device, contact your wireless service provider to disassociate the account from your device.
Password keeper
About the password keeper
Use the password keeper to store all your passwords in one place. The password keeper is designed to protect your passwords with a password
keeper password. When you type this password, the password keeper decrypts your passwords.
You can also use the password keeper to generate random passwords that contain numbers, letters, and symbols.
User Guide
Security
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