How to connect your phone to a Xiaomi Redmi TV: all working ways

Modern Xiaomi Redmi TVs support many ways of syncing with smartphones, from wireless protocols to wired connections. But users often face problems: the image slows down, the sound disappears, the TV simply “cannot see” the phone. In this article, we will discuss all current connection methods (including hidden functions). MIUI), Compare them in speed and stability, and give checklists for troubleshooting.

We will focus on the unique features of Redmi TVs that are not available in other brands, such as Game Mode mode when mirroring the screen or automatic resolution optimization for a particular smartphone model. You will also learn how to circumvent the restrictions on connecting devices from different manufacturers (for example, iPhone to Xiaomi). TV) What settings must be turned off before synchronization.

If you want to not just duplicate the screen, but transform the TV into a full-fledged monitor for games, streaming or work, read the section about DeX mode (yes, it works on Xiaomi!). USB-OTG and the hidden developer menu.

We warn you beforehand that not all methods are equally good, for example, connecting through a network. USB-C It gives minimal latency (ideal for gaming), but requires proprietary cable, and Miracast can lag with weak Wi-Fi. To avoid wasting time experimenting, use our comparison table at the end of the article to help you choose the best method in 30 seconds.

1. Wi-Fi Direct (Miracast) Connection – the wireless standard for Xiaomi

Miracast (or Wi-Fi Direct in Xiaomi terminology) is the most versatile way of synchronizing, because it does not require a router. The TV and phone connect directly to create a local network. TV, Starting with Redmi Smart TV X50 (2020) and newer.

To activate Wi-Fi Direct on your TV:

1. Open Settings → Connection and Sharing → Wi-Fi Direct.
2. Turn on the feature and wait until the TV is “visible” to other devices.
3. On your smartphone, go to Settings → Connections → Wi-Fi Direct (only) MIUI 14+ The path may be different: Settings → Additionally. → Wireless display).
4. Choose your Redmi. TV from the list and confirm the linkage.

⚠️ Note: If the TV is not displayed in the list of devices, check:

• 🔄 Is the TV firmware updated (relevant for Redmi models) TV A2/A3, Miracast worked with bugs before the version MIUI TV 3.0.12).
• 📶 Is the phone power saving mode turned off – it can block background data transfer.
• 🔒 On some smartphones (for example, POCO X5 Pro) you need to additionally allow access to Locations for Wi-Fi Direct.

After connecting, you can choose one of three display modes:

1. Screen duplication – the phone completely copies the image on TV (suitable for presentations).
2. Screen expansion – The TV becomes the second monitor (convenient for multitasking).
3. Sound only – broadcast audio to TV without video (useful for listening to music through the TV speakers).

2. the wired connection through HDMI — Minimum latency for games and video

If you need maximum stability (for example, for cloud gaming or watching videos in the video game) 4K@60fps), use HDMI-This method guarantees a minimum delay (from the 5 MS) and supports all modern formats HDR. But there are nuances:

The connection will require:

• 📱 Smartphone with port USB-C (model Xiaomi/Redmi/POCO after 2019 year-end).
• 🔌 Cable USB-C → HDMI (It is also supported by DisplayPort Alt Mode).
• 📺 Xiaomi Redmi TV with free port HDMI 2.0/2.1 (In older models, there may not be enough bandwidth to 4K).

Instructions for connection:

1. Connect the cable to the phone and TV.
2. On the TV, select the appropriate signal source. HDMI-port.
3. On the smartphone in the notification line will appear alert “Connected” HDMI-display" - tap on it.
4. Select the display mode: Duplicate or Expand the screen.

⚠️ Note: Some Redmi Note models and POCO The first connection may result in a "DisplayPort Not Supported" error, which means your cable is not compatible with Alt Mode:

• Use a proprietary cable from Xiaomi (article) MDY-12-EC).
• Activate the option “Simulate secondary display” in the phone developer settings (path: Settings) → The phone. → Version. MIUI → 5 times to tap according to the version → return to additional settings → For developers).

Use a cable with DisplayPort Alt Mode support|

Update the TV firmware to MIUI TV 3.0+|

Turn off the power saving mode on the phone |

Check free. HDMI-port (preferably 2.1)-->

3. USB-Connection: How to use a TV as a monitor without HDMI

If you don't. HDMI-cable, but there is USB-C, You can try to connect through USB-OTG. This method does not work for all Redmi models. TV, but supported by TVs with port USB 3.0 (usually blue) The main advantage is that you don't need any additional adapters, you just need a standard charging cable.

Step-by-step:

1. Connect your phone to the TV through USB-C → USB-A (use the port USB 3.0 on TV!).
2. A notification will appear on the TV “Connected” USB-Device" - select "Transfer Files" (this is temporary, then the display mode will turn on).
3. On the phone in the notification curtain, tap on «USB-Connection and select “Imagine Transfer (MHL)».
4. If the screen is not duplicated automatically, go to Settings → Screen. → Wireless display and select «USB-display».

⚠️ Note: This method has limitations:

• 🎮 Delay input can reach 50-100 ms – not suitable for dynamic games.
• 📺 Permission is limited. 1080p (Even if the TV is still on 4K).
• 🔋 The phone will discharge faster due to simultaneous data transfer and power supply.

For Redmi owners TV A Series (2021-2023) has a hidden feature: if you connect your phone through a phone USB-C and hold the button "Source" on the remote for 5 seconds, the menu will open «USB Display Mode. You can manually select the resolution and refresh rate here.

4.Using Google Cast (Chromecast) to stream content

If you have a Redmi. TV It works on Android TV (Redmi Smart models TV X and later, you can use the built-in Google Cast to stream content from your phone, a method that is convenient for watching YouTube, Netflix or Twitch, since it does not require duplication of the entire screen - only video is transmitted.

How to set up:

1. Make sure your phone and TV are connected to the same Wi-Fi network.
2. On the TV, open Settings. → Connected devices → Google Cast and enable the function.
3. On your phone, open a supported app (like YouTube) and tap the Translation icon (usually in the upper right corner).
4. Choose your Redmi. TV device-list.

The advantages of Google Cast over Miracast:

• 🎥 No video delay – content buffered directly on TV.
• 🔋 Saving phone charge – the phone is only used for control.
• 🔊 Dolby Atmos and 5.1 sound support (if the TV supports).

⚠️ Note: On some Redmi models TV (Like Redmi. TV A55) Google Cast is disabled by default to activate it:

1. Go to Settings → Applications → System applications.
2. Search Google Play Services and allow all permissions.
3. Reboot the TV.

💡

If Google Cast doesn’t find a TV, try manually pointing it to the TV. IP-TV address in router settings (section) DHCP). Sometimes it helps to tie. MAC-TV addresses to fixed IP.

5 DeX (Desktop Mode) – Turning the TV into a desktop

Few people know, but Xiaomi smartphones are based on MIUI 13+ Supports desktop mode (similar to Samsung DeX), which allows you to use the TV as a full-fledged monitor for office tasks, programming, or even easy video editing. 13/14, Redmi K60) and some of the series models POCO F.

How to activate Desktop Mode:

1. Connect your phone to the TV through HDMI (as described in section 2).
2. In the notification curtain, tap on the alert «HDMI-connection».
3. Select Desktop Mode (if there is no option, update). MIUI last-minute).
4. On the TV screen will appear interface similar to Windows with application windows.

Desktop Mode features:

• 🖥️ Multitasking – Multiple windows open at the same time (e.g. Chrome) + Word + Telegram).
• 🎮 Support for mouse and keyboard via Bluetooth (can be connected to a TV).
• 📁 Access to the phone file system via “Conductor” on the big screen.

⚠️ Note: In desktop mode, some applications may not run (such as cheating games or banking apps). 7xx and below possible slowdowns with simultaneous operation 3+ applications.

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Desktop Mode on Xiaomi only works when connected via HDMI. Wireless protocols (Miracast, Wi-Fi Direct) do not support this mode due to bandwidth limitations.

Alternative methods: DLNA, Local area network and third-party applications

If the standard methods do not work, alternative solutions can be used:

1.DLNA (media streaming)

• 📂 Suitable for viewing photos, videos and listening to music without dubbing the screen.
• 🔄 It works through applications like BubbleUPnP or VLC.
• ⚡ Requires that the phone and TV be on the same Wi-Fi network.

2. Local Area Network (SMB)

• 🖥️ Allows you to use the TV as a network drive (for example, to watch movies from your phone).
• 🔧 On the TV you need to turn on “Network access” in the settings “Storage».
• 📱 On your phone, use a file manager (such as Mi File Manager) to connect to the phone. SMB.

Third-party annexes

• 🎮 ApowerMirror – for gamers (minimum latency on Wi-Fi).
• 📺 TeamViewer QuickSupport – for remote control of the phone from the TV.
• 🔊 SoundWire – transferring sound from phone to TV without video.

⚠️ Note: When using third-party apps, disable battery optimization for them in settings MIUI, Otherwise, the connection will break.

7. Comparative table of methods of connection

To choose the best method, use our table:

8. Frequent errors and their solutions

Problem 1: The TV can’t see the phone through Wi-Fi Direct.

Decision:

• 🔄 Reboot both devices.
• 📶 Check if the phone is on the “Airplane” or “Energy Saving” mode».
• 🔧 On the TV, reset network settings: Settings → Network → Reset network settings.

Problem 2: There is no image when connected via HDMI, but there is sound.

Decision:

• 🔌 Try another one. HDMI-port on the TV (better) HDMI 2.1).
• 📱 On the phone in the screen settings, select “Manual mode” HDMI» and set the permit. 1920×1080.
• 🔄 Turn off the “Signal Auto Definition” function in the settings on the TV HDMI.

Problem 3: The sound comes from the phone, not the TV.

Decision:

• 🔊 In the phone notification curtain, tap on “Player Device” and select the TV.
• 🎵 On the TV, check if the sound is turned off in Settings. → Sound. → HDMI ARC.
• 🔧 If you use Bluetooth headphones, turn them off before connecting to TV.

⚠️ Attention: On Redmi TVs TV A Series (2020-2021) has a bug: when connected via Miracast, the sound may disappear after 10-15 minutes of viewing. HDMI-CEC».

FAQ: Answers to popular questions