In Settings, you can adjust what is shown on the external display and what happens when you fold the phone or flip it open/closed.
The easiest way to change how your screen looks is to touch & hold a blank space on the home screen of your external display.
You can also change the look in Settings.
Go to Settings > External display > Lock screen or Home screen.
If your wallpaper shows app icons on the home screen, you can change them.To change which apps show on the external display home screen, tap an existing app to remove it, or tap 



You can change the skin for your music player.

When you flip the phone closed, your screen automatically locks, and when you unlock the external display, you are back on its home screen. If you want to keep the external display unlocked and continue using the app on it, then set the app to transition.


Select how you want the app to transition between screens when you flip the phone closed:
Flip your phone open to answer an incoming call, and close it to end a call.
To change how your phone handles calls:
Adjust settings:

Sleep display lets you peek at the time, check notifications, and control media that's playing, using very little power. You can customize how you interact with the sleeping display.
Select the gestures you want to turn on the interactive sleep display:



If you want to skip Sleep display and instead go directly to the lock screen, you can turn Sleep display off.
Turn Use Sleep display on or off.
If you turn it off, you can't use Desk display.
You can partially fold your phone, like a tent or a stand, and then show a clock or display a carousel of pictures or text, which rotates items randomly each minute.

For each mode (Tent or Stand), select what you want to see:
Choose between Clock or Text & picture carousel.
For the carousel, you can select which sets of pictures to include. Use the checkmark to include/exclude an entire set. Or, tap a set and choose a single item. To add a set of your own photos, tap 



You can move your hand close to the external display to get to your lock screen, where you can use Face Unlock to unlock handsfree and start a conversation with AI.

You can also set your phone to silence calls, alarms and timers when you're in desk mode (tent or stand).
Add your favorite pictures. And why not add a few custom messages to the rotation, jokes or inspirational quotes?

Add content to the set:







To extend battery life and to lessen the risk of burning an image into the external display, keep Dim pictures & album covers on 