How to Use Your Phone as a Second Screen for Your Laptop in 2026

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A second monitor can completely change how you work on a laptop, but buying one isn't cheap, and carrying one around is a pain. Here's the good news: the phone in your pocket can become a wireless second screen for your laptop in about ten minutes, with a free app and no extra hardware. In this guide, you'll learn exactly how to use your phone as a second screen for your laptop in 2026, on both Android and iPhone. Modern phones have sharp, bright displays that are often better than cheap portable monitors. Used as an extended display, your phone is perfect for holding a chat window, a to-do li

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