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      • Go to the Settings icon on the top right. Click on Device Preferences. Scroll down and click on the TV lock. Tap on Turn on TV Lock. You will see 4 dots, where you can enter your password.
      gadgetstouse.com/blog/2021/04/01/ways-to-set-password-on-any-android-tv/
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  2. Lock your screen. By locking the screen, you can help prevent your BlackBerry device from sending accidental messages or pocket dialing. Locking the screen doesn't turn off notifications for incoming calls or messages. Press the Power/Lock key on the top of your device.

  3. Feb 8, 2015 · I need it because my 16 months old son keeps touching the screen while we are watching videos together. With my galaxy note 4, I can press the power button once and it will lock the screen for the duration of the video play.

  4. May 23, 2007 · "On Suretype devices, like the 7100 or the Pearl, you can hold down the “*” key and the device will lock, AllBlackBerry.com points out. "On Qwerty devices like the 8700, hold down the Alt-key and...

  5. Do any of the following: • To lock your device automatically after a certain amount of inactive time, tap Automatically lock, and then tap an interval. • To lock your device when you press the Power on/off key, turn on the Power key instantly locks switch.

    • Turn on your television and press the "Menu" button on the remote control. Remote controls differ depending on the brand and model but nearly all have a "Menu" button.
    • Scroll through the available options on the screen using the arrow keys on the remote control. Depending on your TV, you may have a "Lock" or "Parental Controls" menu.
    • Select the "Lock" or "Parental Control" option by pressing "OK" or "Select" on your remote control. To make changes, you'll need to enter a four-digit password.
    • Set the locking controls you wish to use. For example, you can set the television to be locked for the foreseeable future, locked during certain hours of the day, or you can lock certain channels or shows with certain ratings.
  6. Feb 4, 2014 · Press and hold the Power/Lock button on top of your device followed by tapping Lock. Wake your device by swiping up from the bottom of the screen, or by pressing Power/Lock again to see the random number grid and your picture at which point you can unlock your device.

  7. Lock your screen By locking the screen, you can help prevent your BlackBerry device from sending accidental messages or pocket dialing. Locking your device doesn't disable alerts for incoming calls or messages.

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