How to Turn Your Samsung Galaxy Smartphone or Tablet into a Second Screen for Your Computer « Samsung :: Gadget Hacks

How to Turn Your Samsung Galaxy Smartphone or Tablet into a Second Screen for Your Computer « Samsung :: Gadget Hacks

An iPad can act as a second screen for a Mac via Sidecar, available since iPadOS 13, but Apple is not the only manufacturer to support such a feature. Samsung has had a similar tool since One UI 3.1 that lets you turn certain Samsung Galaxy tablets into second screens for your PC — and there’s a hidden feature that extends it to more tablets and even Samsung Galaxy smartphones.

Officially, the Galaxy Tab S7 and Galaxy Tab S8 are the only Samsung devices with the second screen feature. You can easily enable it via the “Second Display” button in the Quick Settings panel and then connect the tablet wirelessly as a secondary display to a supported Windows PC running at least Windows 10 version 2004.

The hidden method of connecting Samsung Galaxy phones and other Galaxy tablets (like the Galaxy Tab S6) as additional displays for Windows PCs is thanks to Samsung’s Smart View screen mirroring tool. Keep reading to see how to unlock this extraordinary opportunity.

Step 1: Open Smart View

Smart View is available on most Samsung Galaxy phones and tablets as long as they have the latest available One UI update. Once you’ve verified that One UI is up to date, you’re good to go.

Swipe down with two fingers from the top of the screen to reveal the Quick Settings panel, then select the Smart View icon. If you don’t see the Smart View icon on the first Quick Settings page, swipe left to find it. You may need to add it to your quick settings if you still don’t see it.

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You must go through the setup the first time you open Smart View. Tap “Next” on the details page, then “Continue” to give it storage and location permissions.

Step 2: Go to Smart View settings

Smart View can mirror the Galaxy screen to a Miracast-enabled smart TV or Windows PC via the “Phone –> Other Device” menu. You can also flip it around and mirror your TV or PC to your Galaxy device via the “Other Device –> Phone” menu. But that is not what we want.

The option to use your Galaxy device as an additional display for a Windows PC is locked behind a secret developer menu. To unlock it, tap the vertical ellipsis (the three dots), select “Settings,” then “About Smart View.”

Step 3: Unlock the secret developer options

Tap the “Smart View” title above the version number until the secret developer options menu appears. Unlike Android’s developer options, Smart Views doesn’t stay unlocked, and you have to do this every time you want to use the Galaxy as an additional display.

Step 4: Launch Smart View’s second screen

Under the general heading of the Smart View developer options, find “Start Second Screen” and then turn on the switch. Then tap the words “Start Second Screen” to open the preferences. If you’re running older One UI software, there may not be a toggle switch, and the other screen settings may be in “Start screen.”

Under “Connection Mode”, change it from “Drawing/Gaming (faster response)” to “Video (smoother playback)”. Keep your device on this screen while you proceed to the next step. Your computer will not be able to detect your Galaxy device if it is not still on the other screen side.

Step 5: Connect to your Windows PC

With your Windows PC and Samsung device connected to the same Wi-Fi network, press the Windows logo key + K to connect a secondary display. Doing so will open a pop-up window showing the available screens; Select your Samsung phone or tablet when you see it.

By default, this will mirror the Windows screen to the Samsung device. To extend the screen instead, click the “Change projection mode” link or press the Windows logo key + P, then select “Extend”.

Now your Windows PC should appear on your Galaxy device as an extended screen. Success! Alternatively, you can install the Second Screen app on your Windows PC for more options, such as removing the black bars around the screen.

When you’re done using your Samsung Galaxy phone or tablet as an additional display for your Windows PC, select “Disconnect” from the top toolbar on your computer or Galaxy device. You can also use the Windows logo key + K shortcut to disconnect.

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Cover image, screenshots and image by Tommy Palladino/Gadget Hacks

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