You want to bring the screen Xiaomi Poco X3 It's easier than it sounds! Modern smartphones support several ways to connect wirelessly and wiredly to TV, but not all of them are equally convenient. In this article, we'll look at all the current methods, from the classic to the traditional. HDMI-cable to wireless technologies like Miracast and Google Cast, and tell you which way to choose depending on your TV and tasks.
The Poco X3’s main advantage is that it supports Full HD (1920×1080) up to 60Hz, which ensures a clear picture without delay. However, not all TVs work equally well with mobile devices: older models may not support wireless protocols, and new ones may require additional adapters, and we took these nuances into account and prepared universal instructions that will work even on budget TVs without Smart features.
You don't need special skills or expensive equipment, you just have to follow our recommendations, and if something goes wrong, at the end of the article you'll find a section with solutions to problems and answers to frequent questions.
Connecting via HDMI: the most reliable way
HDMI wired remains the most stable method of transferring images from Poco X3 to your TV, guaranteeing minimal latency (important for gaming!) and maintaining maximum resolution, but this will require an adapter from USB-C to HDMI, since the smartphone does not have a full-size port.
Here's what you're gonna need:
- 🔌 adapter USB-C → HDMI (We recommend original from Xiaomi or certified Anker)
- 📺 HDMI-cable (usually complete with a TV)
- 🔋 Charger (connection to TV discharges the smartphone faster than usual)
Step-by-step:
- Connect the adapter to the USB-C port on the Poco X3.
- Connect the adapter to the TV through HDMI-cable (use the port) HDMI 1/ARC for better compatibility).
- On the TV, select the source of the signal – usually the Source or Input button on the remote.
- The smartphone will display a notification about the connection to the external display. Tap it and select the screen Mirror mode.
Adapter supports 1080p@60Hz| video
The TV is on and the correct one is selected. HDMI-entrance|
Power saving mode is turned off on the smartphone |
Charging the Poco battery X3 30%-->
⚠️ Note: Some adapters require additional power through USB-A. If the image does not appear, connect the adapter to the charger or USB-TV port (if supported).
2. Wireless connection via Miracast (Screen Mirroring)
If you don’t want to mess around with wires, Miracast will allow you to stream a Poco X3 screen to a TV without cables, a method that works on most TVs (since 2013) and doesn’t require internet access — the connection is made directly between devices.
Before you start, check:
- 📱 Your Poco. X3 updated to the latest version MIUI (Miracast may not work on old firmware).
- 📺 The TV supports Miracast (usually specified in the specifications as Screen Mirroring or Wi-Fi Direct).
- 🔄 Both devices are on the same network (if the TV requires a Wi-Fi connection).
How to connect:
- On the TV, activate Screen Mirroring (Samsung – Smart View, LG – Miracast).
- On Poco X3, open Settings → Connections and Sharing → Screen Transfer.
- In the list of available devices, select your TV.
- Confirm the connection on both devices (entry may be required) PIN-code).
⚠️ Note: Miracast can delay sound up to 100-200 ms. This is critical for games, but not noticeable when watching videos. To reduce the lag, turn off background apps on your smartphone.
3. Connect via Google Cast (Chromecast)
If you have a Google Chromecast or a TV with built-in support for Google Cast (like Android TV), you can stream individual apps (YouTube, Netflix, browser) without fully mirroring the screen.
What do you need?
- 📱 Poco X3 Google Home app installed (download to Play Market).
- 📺 TV with Chromecast or built-in support for Google Cast.
- 🌐 Stable connection to one Wi-Fi network (2.4 GHz or 5 GHz).
Instructions:
- Connect the Chromecast to your TV and set it up via the Google Home app.
- Open a supported app (like YouTube) on Poco X3.
- Slip on the Cast icon (usually in the top right corner) and select your Chromecast.
- The video will start broadcasting to the TV, and the smartphone can be used to control playback.
What apps support Google Cast?
⚠️ Note: Not all apps support Google Cast in Russia due to regional restrictions, such as Netflix may block streaming on some Chromecast models. HDMI.
4. Connection via USB (MHL/OTG)
A little-known but working way is to connect through USB-OTG supportive MHL (Mobile High-Definition Link: This is suitable for older TVs without any HDMI-Wi-Fi or port, but requires a special adapter.
What you need:
- 🔌 adapter USB-C → USB-A (OTG) + cable MHL (for example, Xiaomi MHL Adapter).
- 📺 Port TV USB (should be maintained MHL — check in the instructions).
- 🔋 Power supply for the smartphone (connection through USB discharge).
How to connect:
- Connect Poco X3 to USB-C → USB-A adapter.
- Connect the adapter to MHL-cable, and he's to the cable. USB-television-port.
- On the TV, select the USB or MHL signal source.
- On your smartphone, enable USB Data Transfer (may be called MTP or PTP).
| Connection method | Delay (MS) | Max, permission. | Internet is required | Suitable for games. |
|---|---|---|---|---|
| HDMI (wired) | 10–30 | 1920×1080@60Hz | ❌ No. | ✅ Yes. |
| Miracast | 100–200 | 1920×1080@30Hz | ❌ No. | ❌ No. |
| Google Cast | 50–150 | Depends on the app. | ✅ Yes. | ❌ No. |
| USB (MHL) | 40–80 | 1280×720@30Hz | ❌ No. | ⚠️ Conditionally. |
⚠️ Attention: Connection through USB Often limits the permission to 720p It can cause image artifacts, and it's only suitable for viewing photos or videos, not for games.
5. Alternative methods: DLNA and third-party applications
If none of these methods work, you can use DLNA or specialized applications like ApowerMirror or TeamViewer, which are less stable, but sometimes help in non-standard situations.
DLNA allows you to stream media files (photos, videos, music) from Poco X3 to your TV via a local network.
- Make sure that both devices are connected to the same Wi-Fi network.
- On your smartphone, open the Gallery or Music, select a file and tap Send → DLNA.
- In the list of devices, select your TV.
ApowerMirror is suitable for full screen mirroring:
- 📱 Install the app on Poco X3 and computer (if TV is on Android) TV, You can do without a PC).
- 🖥 Connect both devices to the same Wi-Fi network.
- 🔄 Run the broadcast in the application, following the instructions on the screen.
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If your TV doesn't support Miracast, but it does have a browser, you can use [web.screenmirroring.tv] (https://web.screenmirroring.tv) which works over Wi-Fi and doesn't require any app installation.
6. Solving Connection Problems
Even with the right setup, sometimes you fail, and here are the most common problems and solutions.
1. No HDMI image.
- 🔌 Check if the adapter is tightly connected (try another port). HDMI TV).
- 🔋 Connect the adapter to charging - there may be a lack of power.
- 📱 Reboot Poco. X3 and reconnect.
2 Miracast doesn't find TV
- 📺 Make sure you have Screen Mirroring on TV.
- 🔄 Restart the router – sometimes network settings interfere.
- 📱 In the Poco settings X3 Turn off Adaptive Wi-Fi (Settings) → Wi-Fi → Additionally).
3.The sound comes from a smartphone, not from TV.
- 🔊 In the Poco notification panel X3 tap the connection icon and select Transmit the sound to the TV.
- 📺 On the TV, check the sound settings (Exit: HDMI/ARC).
💡
If neither method works, try resetting your network settings to Poco X3: Settings → System → Reset → Reset your Wi-Fi, mobile network, and Bluetooth settings.