How to connect Xiaomi Redmi 9 Pro to TV to watch movies from the Internet: all ways

Streaming movies from Xiaomi Redmi 9 Pro to a big TV screen is a way to turn a regular evening into a movie show with high-quality sound and picture. But not everyone knows that connecting a smartphone to TV can be arranged in several ways, from wireless technology to wired adapters, the main thing is to choose the method that fits your model of TV and tasks.

Many people have problems: the image slows down, the sound is late, or the TV doesn't see the phone at all, most often due to improper network settings, outdated firmware, or protocol incompatibility. In this article, we will discuss 5 proven ways to connect – from the simplest (via Google Cast) to universal (via Google Cast) HDMI-Adapter, and give advice on how to avoid common errors.

If you often watch movies on Kodi, Megogo or YouTube, but the smartphone screen seems too small, this guide will help you transfer content to your TV without losing quality. USB-C.

Before you start, check:

• 📱 Version. MIUI on your Redmi 9 Pro (up-to-date firmware reduces langues).
• 📺 The TV model and its supported interfaces (HDMI, Wi-Fi Direct, DLNA).
• 🌐 Internet speed for the full HD You need a stable 5GHz Wi-Fi or wired connection.

1. Connect via Google Cast (Chromecast or Built-in Cast)

The most popular way to stream is using Google Cast technology, which works with both external devices (Chromecast, Mi TV Stick) and with an integrated feature in modern TVs on Android TV or Google TV.

The Redmi 9 Pro algorithm is simple:

1. Connect your phone and TV to the same Wi-Fi network (required!). 💡If you have a dual-band router, use a 5GHz network – it provides less latency when transmitting video.
2. Open the app (like YouTube or KinoPoisk HD) and tap on the Cast icon (usually in the upper right corner).
3. In the list of devices, select your TV or Chromecast.

If there is no Cast icon, check out:

• 🔄 Update the application to the latest version.
• 📶 Make sure that the TV and phone are on the same subnet (for example, both on the same network). 192.168.1.x).
• 🔧 In the settings of the TV, turn on the option Enable wireless projection (on Mi). TV It's the settings. → Connection and sharing → Wireless projection).

Pros of the method: no sound delay, ease of connection, support for most streaming services.

Cons: Requires stable Wi-Fi, not all applications support Cast (for example, IVI can block broadcasts).

2. Wireless transmission by Miracast (Screen Mirroring)

Miracast is a wireless screen standard that supports Redmi 9 Pro out of the box. Unlike Google Cast, it not only transmits video from the app, but also the entire interface of the phone, which is convenient for watching movies in the browser or little-known streaming services.

How to turn on:

1. On the TV, activate Screen Mirroring (Samsung – Smart View, LG – Miracast).
2. On Redmi 9 Pro, go to Settings → Connections and Sharing → Wireless projection.
3. Select the TV from the list of available devices.

Important nuances:

• 🎮 Delayed input: when controlling the phone from the TV screen will be lag (~100-300 ms. It's not critical for movies, but it's not for games.
• 📶 Image quality: Miracast compresses video. maximum — 1080p@30fps, But with a weak signal, it can drop to 720p.
• 🔋 Battery consumption: wireless screen broadcasting discharges Redmi 9 Pro by 15-20% per hour.

✅ Television and phone connected to the same Wi-Fi network (not necessary, but recommended)

✅ Screen Mirroring is on the TV.

✅ Power saving mode is turned off on the phone (in the battery settings)

✅ Background applications are closed (especially messengers and downloaders)-->

If Miracast doesn't work,

⚠️ Note: Some Sony and Philips Miracast TVs are disabled by default. To turn it on, go to Settings. → Network → Miracast and activate the option to Enable Wireless Display.

3. a wired connection through HDMI-adapter (no lags)

If you need maximum quality without delay (for example, to watch movies in the UK) 4K HDR or games via Xbox Cloud Gaming, use HDMI-adapter USB-C. Redmi 9 Pro is suitable for any adapter with DisplayPort Alt Mode support.

Step-by-step:

1. Buy a USB-C → HDMI adapter (we recommend models with a Realtek RTD2173 or Moship MCDP2800 chip for stable operation).
2. Connect the adapter to the port USB-C On the Redmi 9 Pro, and HDMI-cable.
3. On the TV, select the HDMI signal source (usually the Source button on the remote).
4. On the phone in the screen settings, turn on Developer Mode (if required) and activate USB-debugging.

Comparison of adapters for Redmi 9 Pro:

Pros of HDMI:

• 🎬 No video and audio delay (ideal for movies and games).
• 📊 Support for high resolution (up to) 4K, If the adapter and TV allow).
• 🔋 Lower battery consumption compared to Miracast.

Cons:

• 💰 You need to buy an adapter (from 600) ₽).
• 🔌 Occupying the port USB-C (You can’t charge your phone at the same time).

💡

HDMI-Adapter is the only way to remove 4K HDR Redmi 9 Pro on TV without loss of quality Wireless methods limited 1080p compressed.

4. DLNA connection (for local files)

If you downloaded a movie on your phone and want to play it on your TV without having to transfer the screen, use the DLNA protocol, which allows you to stream media over a local network.

How to set up:

1. Install on the Redmi 9 Pro DLNA-server, such as BubbleUPnP or Plex.
2. On the TV, open the built-in media player (on Samsung - Smart Hub → Multimedia, on LG - SmartShare).
3. Select your phone as the source of the files and start playing.

DLNA limitations:

• 🎵 Not all formats are supported (e.g.,.mkv c). AC3 sound may not be reproduced).
• 📂 No access to streaming services – only local files.
• 🔄 When Wi-Fi is weak, video will slow down".

If the TV can’t see the phone on DLNA, check:

• 🔌 Both devices on the same network (not via guest Wi-Fi).
• 📁 File folder is allowed for sharing (in settings) DLNA-server).
• 🔄 Restart the router – sometimes DHCP not giving out the right IP-address.

5.Using Smart TV as a Second Screen (Mi TV, Samsung DeX)

If you have an Android TV (such as Xiaomi Mi TV or Sony Bravia), you can use it as a screen extension for the Redmi 9 Pro via the Second Screen or Samsung DeX feature.

Instructions for Mi TV:

1. On the TV, turn on Settings → Screen → Second screen.
2. On Redmi 9 Pro, go to Settings → Screen → Wireless Display and select the TV.
3. In the display settings, specify the Expand screen mode (so that one window is shown on TV, and another on the phone).

For Samsung DeX (if the TV supports):

1. Connect the Redmi 9 Pro to the TV HDMI-adapter.
2. On the phone in the notification curtain, select DeX.
3. The smartphone interface will be displayed on TV in desktop mode.

When it's convenient:

• 💼 To work with documents on the big screen.
• 🎮 For games with a gamepad (for example, Call of Duty Mobile via Bluestacks).
• 📺 Simultaneously watching a movie on TV and chat on your phone.

⚠️ Note: Samsung DeX mode is not officially supported on the Redmi 9 Pro, but works through third-party apps like Second Screen.

How to fix connection problems

If your phone can’t see the TV or the image is slowing down, check out these points:

1.Lucks and stuttering videos

• 📶 Switch to 5GHz Wi-Fi or use a wired connection.
• 🔧 In router settings, disable QoS (Quality of Service) – it can limit traffic for Miracast.
• 📱 Close background apps on Redmi 9 Pro (especially Telegram and VKontakte that consume traffic).

2. No sound.

• 🔊 Check if the phone is silent.
• 🎧 In playback settings (for example, in YouTube), select External speaker.
• 🔌 If you use HDMI, Make sure the adapter supports sound transmission.

3.The TV can't find the phone

• 🔄 Reboot both devices.
• 📱 On Redmi 9 Pro, turn on Developer Mode and activate Debugging USB (Sometimes helps with Miracast).
• 🛠️ Update your TV and phone to the latest version.

4. Low image quality

• 📊 With Miracast, manually set permission 1080p in wireless projection settings.
• 🔌 For HDMI Check if the adapter supports the 4K (Many budget models are limited 1080p).

FAQ: Frequent questions about Redmi connection 9 Pro to TV