Miracast Screen Mirroring: 7 Crucial Facts to Know Before Using on Your Phone

9 min read

Are you tired of fiddling with cables and wires to connect your devices to your TV or monitor? Do you want to enjoy your favorite movies, TV shows, and music without the hassle of messy wires? Then Miracast may be the solution you've been looking for.

In this blog, we'll explore what Miracast is, how it works, where you can use it, what devices support it, how it protects content, and how to use or connect it. We'll also compare Miracast to Airplay and Chromecast to help you decide which one is right for you.

What Is Miracast?

Miracast is a wireless display technology that allows you to stream video and audio from one device to another without the need for cables or wires. It uses Wi-Fi Direct, a wireless technology that enables devices to connect to each other directly, to establish a secure wireless connection between two compatible devices.

Miracast was developed by the Wi-Fi Alliance, a consortium of technology companies that promotes Wi-Fi technology and sets industry standards for wireless networking.

How Does Miracast Work?

Miracast works by transmitting video and audio data wirelessly from the source device to the display device. The source device could be a smartphone, tablet, laptop, or desktop computer, while the display device could be a TV, monitor, or projector. Both devices must support Miracast and be connected to the same Wi-Fi network.

When you start streaming content using Miracast, the source device sends compressed video and audio data to the display device over the Wi-Fi Direct connection. The display device then decompresses and displays the content on its screen. This process is similar to how a wireless HDMI cable works, except that it doesn't require any cables or adapters.

Where Can You Use Miracast?

You can use Miracast in a variety of settings, including at home, in the office, or on the go. It's a great way to share photos, videos, presentations, or games with others without the need for additional hardware or cables. You can use it to:

  • Stream movies, TV shows, or music from your smartphone, tablet, or laptop to your TV or speakers.
  • Share photos, videos, or presentations from your smartphone or tablet on a larger screen.
  • Display the screen of your smartphone or tablet on your TV or monitor for gaming or browsing the web.
  • Mirror the screen of your laptop or desktop computer to your TV or projector for presentations or work.

What Devices Support Miracast?

To use Miracast, both the source device and the display device must support the technology. Most newer smartphones, tablets, and laptops support Miracast out of the box, while older devices may require a firmware update or a third-party app.

Many newer TVs, monitors, and projectors also support Miracast, often under a different brand name such as Samsung AllShare Cast or LG SmartShare.

You can check if your device supports Miracast by looking for the Miracast logo on the packaging or in the settings menu. You can also visit the Wi-Fi Alliance website to see a list of certified Miracast devices.

How Does Miracast Protect Content?

One of the concerns with wireless streaming technologies is that they can be vulnerable to interception or piracy. Miracast addresses this issue by using High-bandwidth Digital Content Protection (HDCP), a technology that encrypts the content being transmitted to prevent unauthorized copying or distribution.

HDCP is an industry-standard encryption protocol that is used in many other digital content delivery systems, such as HDMI and Blu-ray. It ensures that the content is protected from interception or piracy during transmission and is only viewable on the authorized display device.

How to Use or Connect Miracast?

Using Miracast is easy and straightforward. Here are the steps to connect your devices:

  • Step 1: Make sure both your source device and display device support Miracast.
  • Step 2: Turn on the Wi-Fi on both devices and connect them to the same Wi-Fi network.
  • Step 3: On your source device, go to Settings > Display > Cast Screen or Wireless Display.
  • Step 4: Select your display device from the list of available devices.
  • Step 5: Follow the on-screen instructions to complete the connection.

Once the connection is established, you can start streaming video and audio from your source device to the display device. The following is a video tutorial for you to use Miracast to connect your smartphone to your TV.

Advantages of Miracast over Airplay and Chromecast

While Airplay and Chromecast are popular wireless streaming technologies, Miracast offers several advantages over them.

  • Compatibility: Miracast is a universal standard that works across different devices and platforms. It doesn't require any special software or hardware to work, unlike Airplay and Chromecast, which are limited to specific devices and ecosystems.
  • Flexibility: Miracast allows you to stream any content from your source device to the display device, including apps, games, and web pages. It doesn't require any special apps or services, unlike Airplay and Chromecast, which require specific apps or services to stream content.
  • Security: Miracast uses HDCP encryption to protect the content being transmitted, ensuring that it's only viewable on the authorized display device. Airplay and Chromecast don't offer the same level of encryption and are more vulnerable to interception or piracy.
  • Ease of Use: Miracast is easy to use and doesn't require any complicated setup or configuration. It works out of the box with most devices and platforms, making it a hassle-free solution for wireless streaming.

Also read: AirPlay vs Miracast vs Chromecast: Which Is the Best for You?


In summary, Miracast is a versatile and convenient solution for wireless streaming of video and audio content. It offers several advantages over other wireless streaming technologies, including compatibility, flexibility, security, and ease of use. If you're looking for a hassle-free way to stream content wirelessly from your devices to your TV or monitor, Miracast may be the perfect solution for you.

If you are looking for a high-quality wireless presentation system device that supports Miracast, AV Access eShare W50 is the one you can’t miss. It supports both wired and wireless connections. You can share contents easily from your source device to a large screen via USB-C/HDMI port or wireless casting.

Working with BizEye series webcams and AnyCo series speakerphones, the wireless presentation system allows you to make a wonderful local presentation or hold an efficient remote conference in your meeting room.

That's all for the blog. If you have any questions or suggestions, please feel free to leave a comment below.

AV Access_eShare W50 Wireless Presentation System_ Wireless BYOD, Airplay, Miracast

Other Frequently Asked Questions

Want to learn more about Miracast? Please read on to check out the following QAs.

Does iPhone support Miracast?

No, iPhone doesn't support Miracast natively. However, some third-party apps may allow you to use Miracast on iPhone.

Does Miracast need WiFi?

Yes, Miracast requires both the source device and the display device to be connected to the same WiFi network.

How to enable Miracast on TV?

To enable Miracast on a TV, you need to check if your TV supports Miracast and then enable the Miracast feature in the TV's settings. The exact steps may vary depending on the TV model.

How to use Miracast on Android?

To use Miracast on Android, go to Settings > Display > Cast Screen or Wireless Display. Select your Miracast-enabled display device from the list of available devices, and follow the on-screen instructions to complete the connection.

Can I use Miracast for free?

Yes, Miracast is a free technology that doesn't require any subscription or payment to use.

Do I need an app for Miracast?

No, you don't need a specific app to use Miracast. Miracast is built into most Android devices and works out of the box with compatible display devices. However, some third-party apps may offer additional features or compatibility with non-Miracast devices.

About AV Access

AV Access is an experienced manufacturer that produces quality HDMI extenders, KVM extenders, wireless presentation systems, etc. and we also offer AV over IP solutions for scalable uses. These products — HDBaseT extender, and 4K HDMI extender — are among our best-sellers.

Are you a newbie? AV Access blog helps beginners to get on board easily (visit and learn about KVM extenders, USB extenders, and more).

About the Author

Shane Jiang holds a master's degree in English translation and brings more than four years' working experience in content marketing. His extensive knowledge in multilingual writing and translation has brought a balanced perspective to the AV Access team.

Original Text Source: https://www.avaccess.com/blogs/guides/what-is-miracast/

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