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Turning the screen on or off

When your device is on and left idle for a set period of time, the screen dims and turns off to save battery power. You can change how long your screen stays active before it turns off.

When your screen is turned off, your device can be locked or unlocked, depending on your screen lock setting. See Screen lock.

To turn the screen on or off

  • Briefly press the power key.

If the ambient display is set to Activate when device is lifted , the screen is turned on automatically when you pick up your device. See Ambient display settings.

To adjust the idle time before the screen turns off

  1. Find and tap Settings > Display > Sleep.
  2. Select an option.
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On your Xperia™ device, go to Settings > About Phone/Tablet > Model number