Lock your device
If you are not on a call, you can lock the keyboard to avoid pressing keys accidentally when you are not using your BlackBerry® device. 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.
Do one of the following:After you finish: To unlock your device, type your device password. Press the Enter key. To unlock the keyboard, press the key again.
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