Microsoft Lumia 640 XL LTE User Manual page 122

Set your phone to lock automatically
You can protect your phone against unauthorised use. Define a security code, and set your
phone to lock itself automatically when you're not using it.
1. On the start screen, swipe down from the top of the screen, and tap ALL SETTINGS > lock
screen.
2. Switch Password to On
3. Tap Require a password after, and define the length of time after which the phone locks
automatically.
Keep the security code secret and in a safe place separate from your phone. If you forget the
security code and cannot recover it, or if you enter the wrong code too many times, your
phone will require service. Additional charges may apply, and all the personal data on your
phone may be deleted. For more info, contact the nearest care point for your phone, or your
phone dealer.
Unlock your phone
Press the power key, drag the lock screen up, and type in your security code.
Change your security code
On the start screen, swipe down from the top of the screen, and tap ALL SETTINGS > lock
screen > change password.
Use your phone when it's locked
You can use certain features of your phone when it is locked, without having to type in the
security code.
To wake up your phone, press the power key.
View your notifications
Swipe down from the top of the screen.
Open the camera
If you add a shortcut for the camera in the action centre, you can quickly switch the camera
on when your phone is locked. Press the power key, swipe down from the top of the screen,
and tap .
Change how incoming calls are notified
Press a volume key, and tap
Pause or resume music, or skip to another song
Use the music player controls shown at the top of the screen.
Tip: If you're listening to the radio, you can also use the music controls on the lock screen
to change the station or mute the radio.
Open Cortana
If you've switched Cortana on, to open Cortana, tap and hold the search key
Cortana is not available in all languages. For info on the supported languages, go to
www.windowsphone.com.
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, and type in a security code (at least 4 digits).
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