How to Connect Xiaomi Redmi 9A to a TV via Wi-Fi: All Ways (2026)

Introduction: Why synchronize your phone and TV

Wirelessly connecting the Xiaomi Redmi 9A to a TV via Wi-Fi offers a range of possibilities, from viewing photos on a large screen to streaming high-resolution videos. The main advantage of this connection is the lack of wires and easy setup. However, not everyone knows that Redmi 9A supports several protocols for transmitting content: Miracast, DLNA and Google Cast (if the TV is installed Android TV).

In this article, we will discuss all the current ways of connecting, including the nuances of working with different models of TVs, from Samsung Smart TV to Xiaomi Mi TV. Special attention will be paid to setting up network parameters on your smartphone, because the stability of the connection depends on them. If you have previously encountered problems like “no sound” or “picture slows down”, here you will find solutions.

Important: Redmi 9A It runs on Android 10 (Go Edition), which puts some limitations on functionality, for example, this model does not support Wi-Fi 6, so for stable streaming. 4K-It is recommended to use a dual-band router (2.4 GHz) + 5 GHz).

1.Preparation: What it takes to connect

Before setting up the connection, check if your equipment meets the minimum requirements:

• 📱 Smartphone: Xiaomi Redmi 9A updated software (version) MIUI at least 12.0.10. You can check the version in Settings → The phone. → Version. MIUI.
• 📺 Television: Smart TV Supports at least one protocol, Miracast, DLNA Or Google Cast. Older models may need Android. TV (For example, Xiaomi Mi Box S).
• 📶 Router: Wi-Fi router with standard support 802.11n (minimally 802.11ac (Internet speeds from 10 Mbps for SD-content and from 25 Mbps for Full HD.

Also prepare:

• 🔌 Charger for a smartphone (wi-fi connection consumes battery faster than usual).
• 📡 Login and password from your Wi-Fi network (if the TV is not already connected to it).
• 🎮 Television remote for navigating menu.

⚠️ Note: If your TV is released before 2016, it probably doesn’t support Miracast directly, in which case use a Miracast adapter (such as Microsoft Wireless Display Adapter) or connect via a Miracast. HDMI-adapter USB-C → HDMI.

2. Method 1: Connect via Miracast (Wireless Display)

Miracast is a wireless screen transfer standard built into Android 10 on Redmi 9A. It allows you to duplicate your smartphone screen on your TV without using the Internet (direct Wi-Fi Direct connection is enough).

• 🎮 Games (delayed up to 100 ms).
• 📱 Demonstrations of presentations or photographs.
• 🎬 Watching videos (but without sound in some TV models).

Instructions for connection:

1. On the TV, turn on Miracast mode (on the menu it can be called Screen Mirroring, Wireless Display or AllShare Cast).
2. On Redmi 9A, open Settings → Connections and Sharing → Screen Transfer.
3. In the list of available devices, select the name of your TV.
4. Confirm the connection on both devices.

Television and phone connected to the same Wi-Fi network|

Screen Mirroring | is on the TV

Power saving mode is turned off on the smartphone |

Distance between devices not more than 5 meters-->

If the screen is not duplicated:

• 🔄 Reboot both devices.
• 📶 Try connecting to another Wi-Fi network (such as an access point on your phone).
• 🔧 Update the TV firmware (the instructions are usually in the Support menu) → Update of the PO).

⚠️ Note: When using Miracast on Redmi 9A It can delay up to 0.5 seconds, and this is due to the hardware limitations of the MediaTek Helio processor. G25. The solution is to use external speakers connected to the TV.

Method 2: Broadcast via Google Cast (Chromecast)

If your TV is running on Android TV or Google Chromecast is connected to it, you can use the Google Cast protocol, which allows you to stream content from supported applications (YouTube, Netflix, Google Photos) directly to the big screen without duplicating the entire interface of the smartphone.

Step-by-step:

1. Make sure your phone and TV are connected to the same Wi-Fi network.
2. Open an app that supports Google Cast (like YouTube).
3. Slip on the broadcast icon (📡) top-right.
4. Choose your TV or Chromecast from the list.

If the broadcast icon does not appear:

• 🔄 Reconnect the TV to Wi-Fi.
• 📱 Update the app on your smartphone.
• 🔧 Turn off the router settings AP Isolation (customer isolation).

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If the stream is constantly interrupted, try to reduce the bitrate of the video in the app settings. For example, on YouTube, select 720p resolution instead of 1080p.

Method 3: Using DLNA to view media files

DLNA (Digital Living Network Alliance) is a standard for sharing media between devices on a local network, unlike Miracast, it does not duplicate the screen, but allows you to play files (photos, videos, music) directly from your phone on your TV.

How to set up:

1. On your TV, turn on the DLNA function (could be called Media Server or AllShare).
2. On Redmi 9A, install a file manager with DLNA support, such as FX File Explorer or Solid Explorer.
3. In the file manager, search for the DLNA/UPnP section and select the TV from the list.
4. Send the files you want or play them directly on the TV.

Advantages of DLNA:

• 🎵 Playlist support (you can stream music in the background).
• 📁 Access to the entire file system of the phone (if allowed in the settings).
• 📶 It works even with a weak Wi-Fi signal (requires a minimum speed of 2 Mbps).

⚠️ Note: When transmitting video through DLNA Redmi 9A Can automatically convert files with resolution above 1920×1080 full HD, And to avoid that, use third-party players like this. VLC bitrate.

5 Problem Solving: What to Do When the Connection Fails

If the TV doesn’t see Redmi 9A or the connection is constantly breaking, check the following points:

Additional steps for diagnosis:

1. Check if the connection is blocked by an antivirus or firewall on the router.
2. Reset network settings on your phone: Settings → System → Reset → Reset settings Wi-Fi, mobile network and Bluetooth.
3. Update the router’s firmware (the instructions are usually on the device sticker).

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If neither of these methods works, try connecting via a USB-OTG cable with an HDMI adapter, which is the most reliable method, but requires additional accessories.

6.Alternative methods: when Wi-Fi is not suitable

If wireless connectivity is not possible (for example, due to a lack of a Smart TV), consider alternatives:

• 🔌 HDMI-Connection: Use the adapter USB-C → HDMI (cost 500 ₽). Maintains permission until 1080p@60Hz.
• 📶 Phone Access Point: Create a Local Area Network on Redmi 9A Connect the TV to it (if supported).
• 🖥️ PC as a mediator: Connect your phone and TV to your computer and then stream the screen via Steam Link or Rainway.

For HDMI-connection:

1. Buy a USB-C to HDMI adapter (e.g. Baseus HDMI Adapter).
2. Connect the adapter to the smartphone, and HDMI-cable.
3. On the TV, select the HDMI signal source.
4. On the phone, turn on the screen transfer mode (sometimes you need to activate the Settings for developers).

⚠️ Note: When connecting through HDMI Redmi 9A Use a hub with a power port (for example, UGREEN USB-C Hub) to avoid discharge during viewing.

7. Connection optimization: how to reduce delays and lags

Even after a successful connection, you may experience audio delays or video slowdowns. Here's how to fix this:

• 📶 Use 5GHz: If your router supports dual-band Wi-Fi, connect devices to a 5GHz network – it’s less busy and provides more speed.
• 🔌 Wired router connection: If the TV supports Ethernet, connect it to the router with a cable - this will reduce ping.
• 📵 Turn off background tasks: Close all apps on your phone except the one you're streaming. 9A This can be done through settings. → Annexes → Launched.
• 🔧 Set up QoS on your router: Prioritize traffic for your phone or TV in the router control panel (QoS section or Device Priority).

For advanced users:

• Change the MTU on the router to 1472 (this reduces packet fragmentation).
• Turn off IPv6 in Wi-Fi settings if it is not in use.
• Activate Game or Multimedia mode on the router (if any).

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If you're streaming games, turn on your phone's Performance mode to Settings → Battery → Performance mode. This will reduce latency by 10-15 ms.

FAQ: Frequent questions about Xiaomi Redmi connection 9A television-to-TV