Samsung’s new Galaxy Z TriFold is a unique foldable phone, but it’s more than just a smartphone. With a big 10-inch screen when unfolded, it can act like a tablet. Now, the Galaxy Z TriFold can also work as a second monitor for your Windows PC, which makes it a handy tool for multitasking or working.

The Galaxy Z TriFold supports Samsung’s “Second Screen” feature, which lets you extend your PC screen to the phone wirelessly using Miracast. This means no cables are needed.

To connect, just open the Second Screen page on the TriFold and press Windows + K on your PC. You can also connect by going to Settings >> System >> Display >> Connect to a wireless display.

Image via Android Authority

In addition to this, Samsung also offers a Second Screen app for PCs. It lets you adjust the screen ratio, sync power, and even reconnect the phone automatically. This app allows the Galaxy Z TriFold to be used as a second display smoothly and hassle-free.

When folded, the Samsung Galaxy TriFold looks like a normal 6.5-inch phone. Open it up, and you get a huge 10-inch display that feels more like a tablet. It can run Samsung DeX on its own, giving a desktop-like experience without a PC. And now, it can even work as a second monitor for you

For anyone who travels, works remotely, or just wants more screen space, the Samsung Galaxy Z TriFold is a powerful, flexible, and perfect tool. Samsung is going to make it available in South Korea on December 12, 2025. Stay tuned.

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