How to connect your phone to the Xiaomi Mi TV 4: all working ways

Connecting your smartphone to your Xiaomi Mi TV 4 offers a range of possibilities, from watching photos on a large screen to streaming high-resolution videos. However, many users face difficulties — the TV can not find the device, the image is slowing down or the sound is lost. In this article, we will analyze all the current ways of connecting (including hidden MIUI functions), compare them in speed and quality of transmission, and give a checklist for troubleshooting.

The Mi TV 4 (unlike the newer Mi TV 5 or Mi TV Q2) features limited wireless protocol support, such as the Miracast, which is unstable on some firmware, and HDMI-CEC can conflict with other devices, and we tested all methods on MIUI TV 3.0-4.5 firmware and found the best settings for each case.

If you need to get your phone on TV, start with the Wi-Fi Direct section (the fastest way). HDMI-Adapter, and for games, Miracast with manual resolution. At the end of this article, you'll find a table comparing all methods and methods. FAQ For rare errors (for example, why the TV sees the phone but doesn't connect).

1. Connect via Wi-Fi Direct (the easiest way)

Wi-Fi Direct allows you to connect your phone and TV directly without a router, ideal for fast photo transfer or presentations. On Mi TV 4, the feature is stable, but requires pre-configuration on both devices.

How to turn on Wi-Fi Direct on your TV:

1. Open Settings → Network and Internet → Wi-Fi Direct.
2. Activate the slider and wait for the TV to find your phone (it can take up to 30 seconds).
3. The confirmation code will appear on the screen – remember it.

Set up your phone (on the example of Xiaomi/Redmi):

⚠️ Warning: If the phone doesn't find the TV, check that Device Detection is on (in the same Wi-Fi Direct settings). Also make sure the smartphone has Battery Savings turned off - it can block network scanning.

Shut down. VPN phone-on|Make sure that the TV and phone are on the same network (if the router is used)|Update the TV to the latest version|Check that your phone is Bluetooth enabled (sometimes required for authorization)-->

2.Using Miracast (wireless screen duplication)

Miracast is a wireless screen transmission standard that is supported by most modern smartphones and Mi TV 4. Unlike Wi-Fi Direct, it duplicates the entire phone interface, not just media files. However, in practice, users often face image delays (lag) and connection breaks.

Step-by-step:

1. On TV: Settings → Connection and Sharing → Miracast → Turn on the feature.
2. On your phone (Android 8.0+): Open Settings → Screen → Wireless Display (or Transmit on MIUI).
3. Select your Mi TV 4 from the list. If you request a PIN, enter 0000 or a code from the TV screen.

How to reduce lag with Miracast:

• 📶 Switch the router to 5 GHz (if you use it as an intermediary).
• 🔧 In Miracast settings on TV, select permission 720p instead 1080p — it's gonna take a little bit of pressure.
• 📱 Close all background apps on your phone, especially instant messengers and games.

⚠️ Note: Some of the Mi's firmware TV 4. for example, MIUI TV 3.2.45) Miracast only works with Android 9 smartphones+. If you have an older version of the OS, use alternative methods (see the section on the OS). HDMI).

HDMI connection (best quality for video and games)

If you need the best picture quality (for example, to watch movies in the video game) 4K or games, then HDMI-Connection is the only reliable option. USB-C/Micro-USB → HDMI (depending on your phone's connector. TV 4 It is important to choose an adapter with support HDCP 2.2, Netflix and other streaming services may not work.

Which adapters are suitable:

How to connect:

1. Insert the adapter into your phone and connect it to the Mi. TV 4 through HDMI-cable (combined with TV).
2. On the TV, select the signal source: press Input on the remote and select HDMI 1/2 (depending on the port).
3. A request for permission to transfer an image may appear on the phone - confirm it.

⚠️ Note: If the phone screen is not duplicated, check it out:

• 🔌 Is the adapter connected to a full-fledged HDMI-port on TV (on Mi) TV 4th port HDMI 3 sometimes works unstablely).
• 📱 Is the phone on screen transfer mode (on the phone) MIUI: Settings → Screen. → TV broadcast).
• 🔄 Try restarting both devices - sometimes resetting helps HDMI-linkage.

💡

If you connect to HDMI audio through your phone and not through your TV, go to the Sound Settings on your smartphone and select HDMI as the output device.

4. USB connection (for files and charging)

way USB-The cable is only for viewing photos or videos or charging your phone from your TV, and there won't be full screen duplication, but it's the most versatile method -- it works even on older phones without Wi-Fi Direct or Miracast.

What you need:

• 📱 USB-cable (preferably original from Xiaomi).
• 🔌 The TV must be plugged into the socket (USB-port TV 4 does not provide enough power to charge when the power is turned off).

Instructions:

1. Connect the phone to USB-port on the back of the Mi TV 4 (port) USB 2.0 - top).
2. A notification will appear on the TV – select File Transfer (MTP).
3. Open the Files or Gallery app on TV and select the folder with the phone’s media files.

⚠️ Attention: USB-port TV 4 is limited in current (max. 0.5A), so the phone will charge very slowly.

5. Streaming apps (DLNA and Smart View)

If the built-in methods don't work, you can use the side of the app to transfer the screen. Mi TV 4 works best:

• 📺 Smart View (from Samsung, but compatible with Xiaomi).
• 🎮 ApowerMirror (supports low-lag games).
• 📂 BubbleUPnP (for streaming media files over the Internet) DLNA).

How to set up Smart View:

1. Install the Smart View app on your phone from Google Play.
2. Connect your phone and TV to the same Wi-Fi network.
3. Launch the app, select your Mi TV 4 and confirm the connection.

Pros and cons of applications:

💡

Smart View applications are convenient for temporary use, but do not replace the full-fledged app. HDMI-For high-resolution games or videos, you'd better use a cable.

6 Problem Solving: TV Can't See Phone

If the Mi TV 4 doesn’t detect your device, check the following points:

Common causes and solutions:

• 📶 Different Wi-Fi networks: Make sure your phone and TV are connected to the same router (even Wi-Fi Direct sometimes requires a shared network).
• 🔄 Outdated firmware: Update TV software through Settings → On TV. → Updating the system.
• 📱 Limitations MIUI: On Xiaomi phones, turn off battery optimization for Wi-Fi Direct or Miracast apps.
• 🛠 Reset network settings: On TV: Settings → Network and Internet → Resetting network settings.

If Miracast doesn't work,

1. Check if your phone supports Miracast (on MIUI, you can see this in Settings → About Phone → All Settings → Wireless Display).
2. Turn off Bluetooth on both devices – it sometimes conflicts with Miracast.
3. Try to connect manually: enter on the TV IP-Phone address (you can find it in Settings) → The phone. → Status).

⚠️ Note: Some of the TVs on the Mi TV 4 with firmware older MIUI TV 3.0 may require manual updates through USB. You will find firmware instructions in the official support center of Xiaomi.

7. Comparison of all methods of connection

To choose the best method, focus on this table:

Selection recommendations:

• 🎮 For games: Only HDMI (minimum).
• 🎬 For the movies in 4K: HDMI BubbleUPnP (if the TV supports the TV) DLNA).
• 📸 For photo: Wi-Fi Direct or USB.
• 🌐 For web surfing: Miracast or Smart View.

FAQ: Frequent questions