How to connect the broadcast from your phone to the TV Xiaomi Mi TV 4S: work-in

You want to display the image from your smartphone on the big screen Xiaomi Mi TV 4S, But you don't know where to start? This article will help you understand everything from simple wireless methods to wired solutions for stable broadcast without delay. TV 4S 50", 4S 55" and 4S 65" firmware MIUI TV 3.0-4.5 to ensure that instructions are up to date.

The main problem with users is that they have an unstable connection or no sound when broadcasting, and not only will we show you how to connect, but we will also explain why image artifacts, audio delays, or the TV can't see the phone at all. At the end of this article, you will find a table of smartphone compatibility and answers to frequent questions that save you hours of finding solutions.

1. Preparation of the Xiaomi Mi TV 4S for broadcast

Before you connect, make sure your Mi is TV 4S Ready to receive the signal. Most of the broadcasting problems are due to outdated settings or disabled features.

First, check the firmware version: go to Settings → On TV. → System Update: Miracast and Wi-Fi Direct require at least a minimum to work smoothly MIUI TV 3.2.14 If the version is older, update the software via the Internet or manually from a flash drive.

Enable Wi-Fi in the settings of the TV|Update the firmware to the current version|Activate the "Wireless Display" mode"|Check the free space on TV (minimum 500 MB)|Shut down. VPN on TV and phone-->

Then activate the wireless display function:

1. Open Settings → Connections and Sharing → Wireless display.
2. Move the slider to the on position.
3. Select Miracast (for Android) or AirPlay (for iPhone).

⚠️ Note: If the menu does not include the "Wireless Display" item, then your Mi model is yours. TV 4S Released before 2019 and requires updates through USB-Download the firmware for your model here.

2. Wireless broadcast over Wi-Fi (Miracast and Wi-Fi Direct)

The most popular way is to transfer images over Wi-Fi without additional adapters.+ iOS 12+ (Consider both protocols: Miracast (for Android) and Wi-Fi Direct (universal).

Connection via Miracast (Android)

Miracast is built into most phones Xiaomi, Samsung, Huawei and other brands.

1. On the phone, open Settings. → Connections → Wireless display (on MIUI The path may be different: Settings → Screen. → Screen broadcasting).
2. In the list of available devices, select your Mi TV 4S (the name will be the MiTV-XXXXX type).
3. Confirm the connection on the TV by pressing OK on the remote.

If the phone doesn't find the TV,

• 🔄 Restart your router and phone – sometimes double-dip NAT.
• 📶 Make sure both devices are connected to the same Wi-Fi network (not the guest network!).
• 🔧 On the TV in the Wireless Display menu, select Additional → Allow all devices.

Connection via Wi-Fi Direct (universal method)

Wi-Fi Direct works even without a router, creating direct communication between devices, suitable for iPhone (with limitations) and older Android smartphones:

1. On TV: Settings → Wi-Fi → Wi-Fi Direct → Turn on.
2. On the phone: In the Wi-Fi settings, find a network called DIRECT-MiTV-XXXX and connect (password is usually 12345678 or blank).
3. Run the stream through the Mi Home app (for Xiaomi) or third-party utilities like ApowerMirror.

⚠️ Note: On iPhone, Wi-Fi Direct only works with translation apps (like Screen Mirroring), as Apple blocks native Miracast support.

3. Wired connection via HDMI or USB-C

If wireless methods fail, use a wired connection. This guarantees minimal latency (up to the end of the day). 50 ms) and stable image in resolution 4K@60Hz. Let us consider two options: HDMI and USB-C.

3.1 Connection through HDMI (for phones with HDMI-alt support)

Modern flagships Xiaomi (for example, Xiaomi 13 Pro or Black Shark 5) support image output via the USB-C → HDMI. You'll need it:

• 🔌 Cable USB-C → HDMI (Supported by DisplayPort Alt Mode).
• 📺 Free port HDMI 2.0/2.1 on TV (on Mi) TV 4S these are connectors HDMI 1 or HDMI 2 ARC).

Instructions:

1. Connect the cable to the phone and TV.
2. On the TV, select the signal source: press Input on the remote and select the appropriate one. HDMI-port.
3. On the phone in the notification curtain will appear option HDMI-output - activate it.

If the image does not appear:

• 🔄 Reconnect the cable (sometimes a hot connection helps – insert the cable when the phone is on).
• 🔧 In the phone settings, turn on Developer Mode → Debugging by USB (Sometimes it is necessary to work properly. HDMI).
• 📱 Check if your smartphone supports DisplayPort Alt Mode (see list of compatible models here).

3.2 Connection through USB-C (MHL SlimPort)

For older phones (such as Xiaomi Mi 9 or Redmi Note 8 Pro) an adapter is suitable. USB-C → HDMI supportive MHL Or SlimPort:

⚠️ Attention: Adapters MHL require a charger connection to the phone – without power, the image will be interrupted or no sound. Use original adapters or certified adapters (for example, UGREEN MHL 2.0).

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If you are connected through HDMI no sound, check the audio output settings on your phone: Settings → Sound. → Sound output → HDMI. On some firmware MIUI The default sound goes through the phone's speakers.

4. Broadcasting through applications (Screen Mirroring)

If the built-in features don't work, use third-party apps that support additional features like screen recording or broadcasting to a local network.-3 solutions for Xiaomi Mi TV 4S.

Annex Mi Home (official decision)

Mi Home allows you not only to control smart devices Xiaomi, but also broadcast the screen.

1. Install Mi Home from Google Play or App Store.
2. Connect your TV to your Xiaomi account: go to Settings on TV → Account. → Add the device.
3. In the app, select your Mi TV 4S and press the screen broadcast.

Advantages of the method:

• 🔄 Minimum latency (200-300ms) compared to Miracast.
• 🎮 Gamepad support (you can play mobile games on the big screen).
• 📱 It works on older phones (Android 4.4).+).

4.2. ApowerMirror (for iPhone and Android)

ApowerMirror is a universal broadcast app with screen recording and annotations, suitable for iPhones where native methods are limited.

How to connect:

1. Download ApowerMirror to your phone and TV (via the official website).
2. On the phone, select Connect to TV and enter PIN-screencode TV 4S.
3. Activate the mode No delay in the application settings (reduces the lag to 150 ms).

Limitations:

• ⚠️ Free version adds watermark.
• ⚠️ iPhone requires connection via Lightning → HDMI full-screen adapter.

Google Home (for Android and iOS)

If you have a Google Chromecast or built-in Google Cast (available on Mi) TV 4S firmware MIUI TV 4.0+), Use Google Home:

1. Install Google Home on your phone.
2. Connect your TV and phone to the same Wi-Fi network.
3. In the app, click Screen Translation → Start broadcasting.

⚠️ Attention: On Mi TV 4S Google Cast can be disabled by default. Enable it in Settings → Connections → Google Cast → If there is no item, update the firmware.

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Broadcasting apps (Mi Home, ApowerMirror) offer more flexibility than embedded protocols, but can increase latency to 500 ms. HDMI Miracast.

5. Solving common problems

Even with the right connection, there can be errors. We collected the most common problems and their solutions, tested on Xiaomi Mi. TV 4S.

5.1 The TV can't see the phone

Causes and means of elimination:

• 📶 Different Wi-Fi networks: Make sure both devices are connected to the same router (not the guest network).
• 🔄 Outdated firmware: Update TV through Settings → Updating the system.
• 🔧 Firewall lock: Turn off on the router AP Isolation (customer isolation).
• 📱 Power Saving Mode: On your phone, turn off battery optimization for broadcast apps.

Delay of sound or image

Lag occurs because of:

• 📶 Weak Wi-Fi signal: Connect router closer to TV or use mesh system.
• 🎮 High load: Close the background apps on your phone (especially instant messengers and games).
• 🔧 Suboptimal settings: In the broadcast menu, select Quality: Balanced instead of Maximum.

For games or watching movies, use a wired connection (HDMI) — delay will be reduced from 500 ms to 20-50 ms.

No sound during broadcast

A common problem with using Miracast or HDMI. Decisions:

• 🔊 On the phone: Check the output of sound in Settings → Sound. → Conclusion (should be) HDMI or wireless display).
• 📺 On TV: Press Settings → Sound. → Sound source → HDMI ARC (if connected through HDMI).
• 🔧 For Miracast: In the broadcast settings, turn off only video (if there is such a item).

6. Comparison of methods of connection: which one to choose?

The choice of the broadcast method depends on your tasks. Below is a table with a comparison of key parameters:

For games and video in 4K The only reliable option is a wired connection through HDMI Wireless methods (Miracast, Wi-Fi Direct) are only suitable for viewing content without high latency requirements.

7. Streaming Optimization: How to Reduce Lag and Improve Quality

Even after a successful connection, the quality of the broadcast can be frustrating: artifacts, jerks, sound synchronization. We've put together proven optimizations.

7.1. Router settings for Miracast/Wi-Fi Direct

If you are using wireless broadcasting:

• 📶 Switch the router to 5 GHz (less interference than 2.4 GHz).
• 🔄 Enable Qos (Quality of Service) and prioritize your Xiaomi devices.
• 📡 Disable Band Steering (may cause connection breaks).

7.2 Phone settings to minimize lag

On Android:

• 🔧 Enable Developer Mode and activate Turn off window animation (reduces interface latency).
• 📱 Close all background apps (especially instant messengers and games).
• 🔄 Transfer your phone to Flight Mode, leaving only Wi-Fi (removes interference from the mobile network).

On the iPhone:

• 🔧 Turn off Low Power Consumption in Battery Settings.
• 📶 Use applications with support HEVC-codec (e.g. Replica).

Optimization of the Xiaomi Mi TV TV 4S

On the TV menu:

• 📺 Enable Game Mode (Settings) → Picture → Image mode → Game).
• 🔊 Turn off sound processing (Settings) → Sound. → Effects. → Off.).
• 🔄 Reset network settings (Settings) → Network → Network resetting) if the broadcast is interrupted.

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For maximum performance, use the combination: router at 5 GHz + wired connection of the TV to the network (via Ethernet adapter for Mi) TV 4S). This reduces latency by 30-40% compared to Wi-Fi.

FAQ: Frequent questions about the broadcast on Xiaomi Mi TV 4S