Lock or unlock your device, set a security lock type (pin, password, pattern, face unlock or fingerprint), get your PUK code, or request your device be unlocked.
In this tutorial, you will learn how to:
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• Set a security lock
• Set up Fingerprint Unlock
• Change lock type
• Change lock screen timeout
• Lock and unlock device
• Set Lockdown mode
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1. Swipe down from the Notification bar with two fingers, then select the Settings icon. Scroll to and select Security & privacy.
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2. Select Device unlock > Screen lock > select the desired screen lock method and follow the prompts to complete set up.
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Note: If you choose Pattern lock, you will have to factory reset your device if you forget your Pattern lock. Visit the Reset Device tutorial for alternate reset instructions.
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3. Edit Lock screen notification settings as desired, then select Done.
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1. From the Security & privacy screen, select Device unlock > Face & Fingerprint Unlock > enter your screen lock. Select Fingerprint Unlock.
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2. Review the Set up Fingerprint Unlock prompt, then scroll to and select I agree to continue.
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3. Follow the prompts to complete setup. When finished, select Done.
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From the Security & privacy screen, select Device unlock > Screen lock > enter your current pattern lock > select the desired screen lock type and follow prompts to complete setup.
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1. From the Security & privacy screen, select Device unlock. Select the  Settings icon next to Screen lock.
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2. Select Lock after screen timeout, then select the desired timeout duration.
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• LOG IN USING THE SECURITY LOCK: If using face unlock, hold your phone in front of your face. If using fingerprint unlock, place your finger on the fingerprint sensor located on the Power/Lock button. To use your backup screen lock, from the lock screen, swipe up from the bottom of the screen, then enter your backup screen lock.
• LOCK DEVICE: Press the Power/Lock button located on the right side of the device.
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Lockdown mode turns off biometrics unlock and notifications on the Lock screen. To access Lockdown mode, press the Power/Lock button and the Volume up button simultaneously on the right side of the device, then select the Lockdown icon.
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