How to enable dual screen on Xiaomi devices: a complete guide with instructions

Double screen mode on Xiaomi devices allows you to simultaneously use two image sources โ€“ for example, watch a movie on half the screen, and on the other display information from a smartphone, game console or second screen. HDMI-This feature is especially useful for multimedia centers, gamers and those who work with several tasks at the same time, but not all Xiaomi models support this option, and its activation depends on the firmware version and specifications of the device.

In this article, weโ€™ll discuss how to set up a dual screen on Mi TVs, Redmi Smart TVs and other devices of the brand, including smartphones that support Miracast or Wireless Display. Youโ€™ll also learn which models are compatible with the feature, how to avoid common errors and what to do if the mode is not activated. If you plan to use a dual screen for games, streaming or work, here you will find all the necessary instructions.

Which Xiaomi devices support dual screen?

The dual screen feature is not available on all Xiaomi devices. It depends on the hardware (the presence of several devices). HDMI-ports or wireless support) and firmware versions, below is a list of compatible devices and their features:

  • ๐Ÿ“บ Mi TVs TV Q1/Q2 2022โ€“2026 โ€” Supports Dual Screen through HDMI 2.1 (for 4K@120Hz) and wireless technologies Miracast/AirPlay.

Important: on budget models (for example, Mi TV A2 or Redmi TV A55), the dual screen function is not at the hardware level - it can not be activated even through the engineering menu.

๐Ÿ“Š What kind of Xiaomi device are you using?
Mi TV TV TV
Redmi TV
Xiaomi/Redmi Smartphone
Xiaomi Monitor
Other

How to activate dual screen on Xiaomi TVs

There are three main ways to enable dual screen mode on Xiaomi TVs:

  1. Through HDMI-Ports โ€“ connecting two devices (for example, consoles and PCs) to different inputs.
  2. Wireless broadcasting โ€“ using Miracast or AirPlay to duplicate the screen of a smartphone.
  3. PIP (Picture-in-Picture) mode is the display of the second source in a small window on top of the main one.

Let us examine each method in detail.

Method 1: Double screen via HDMI

This is the most reliable way, but it requires:

  • ๐Ÿ”Œ Two free free free two. HDMI-port on the television (for example, HDMI 1 and HDMI 2 (ARC)).
  • ๐ŸŽฎ Two signal sources (prefix, PC, game console, etc.).
  • ๐Ÿ“บ Dual View TV (available on Mi) TV Q1/Q2 Some of the Redmi Smart models TV).

Instructions:

  1. Connect the first device to HDMI 1, the second to HDMI 2.
  2. On the remote, click Home โ†’ Settings โ†’ Devices and Connections โ†’ Double screen.
  3. Select the source for the left and right side of the screen.
  4. Set up the aspect ratio (50/50, 60/40, etc.) in the screen layout menu.

Check the number HDMI-port-on-television

Update the firmware to the latest version

Connect both devices to different ports

Make sure that the cables support the desired resolution-->

โš ๏ธ Note: On Xiaomi TVs with firmware below MIUI TV 3.0 dual screen function may not work smoothly. Update the software via Settings โ†’ On TV. โ†’ Updating the system.

Method 2: Wireless dual screen (Miracast/AirPlay)

If you don't have a second. HDMI-You can stream the screen of a smartphone or tablet Xiaomi on the TV in parallel with the main source:

  1. Activate Wireless Display on your TV: Settings โ†’ Connections โ†’ Wireless Display.
  2. On the Xiaomi smartphone, open Settings โ†’ Connections โ†’ Screen broadcast.
  3. Choose your TV from the list of available devices.
  4. On the TV, select the Main Source from the Double Screen menu: HDMI, Secondary: Wireless.

Limitations:

  • ๐Ÿ”„ Image delay during wireless broadcast can reach 50-100 ms.
  • ๐ŸŽฎ Not suitable for dynamic games (such as shooters).
  • ๐Ÿ“ถ Requires a stable connection to a single Wi-Fi network (2.4 GHz or 5 GHz).

๐Ÿ’ก

To reduce the latency of wireless broadcasting, use a router with Wi-Fi 6 support and connect the TV via Ethernet cable.

PIP (Picture-in-Picture) settings on Xiaomi

If your TV doesn't support a full dual screen, you can use PIP mode, which allows you to display a second source in a small window over the main content, such as watching a movie and watching a match at the same time.

How to turn on:

  1. Connect both devices to your TV (e.g., via HDMI 1 and HDMI 2).
  2. On the remote, press the Home button, then select the source for the main screen.
  3. Click Settings โ†’ Screen โ†’ PIP Mode.
  4. Choose a second source for a small window.
  5. Move and scale the PIP window with the remote (direction button + OK).
Model TV setSupport for PIPMax, PIP resolution.Delay (MS)
Mi TV Q1 75"Yes.1080p30โ€“50
Redmi Smart TV X55Yes.720p50โ€“80
Mi TV A55No.โ€”โ€”
Mi TV ES 2022Yes (HDMI only)1080p40โ€“60

โš ๏ธ Note: On Xiaomi TVs with an Amlogic processor T972 (Like Mi. TV 4S) regime PIP can be retarded by simultaneous reproduction 4K-Downgrade the second source to 1080p.

Double screen on Xiaomi smartphones: opportunities and limitations

Xiaomi smartphones (such as the Xiaomi 14 Ultra or Redmi Note 12 Pro+) do not have a full dual screen, but there are alternative features:

  • ๐Ÿ”„ Duplicate screens on TV via Miracast or Google Cast.
  • ๐Ÿ“ฑ Separate mode (for two applications on the same screen).
  • ๐Ÿ–ฅ๏ธ Connecting to an external monitor through USB-C โ†’ HDMI (flagship-only).

How to activate separate mode:

  1. Open Settings โ†’ Special Options โ†’ Separate Screen.
  2. Activate the slider Enable separate mode.
  3. Open the first app, then swipe up and hold its icon.
  4. Select Divide Screen and add a second app.

Limitations:

  • ๐Ÿšซ Not all apps support separate mode (such as games or banking programs).
  • ๐Ÿ”‹ Battery consumption increases by 15-25%.
  • ๐Ÿ“ฑ On a resolution smartphone FHD+ (For example, Redmi Note 11, the app windows will be too small.
How to check support for USB-C โ†’ HDMI on a smartphone?
Open Settings โ†’ About Phone โ†’ Full Specifications โ†’ Video Support. If you have DisplayPort over USB-C, your smartphone supports output to an external monitor.

Common Problems and Their Solutions

When setting up a dual screen on Xiaomi devices, users often face the following problems:

Problem.Possible causeDecision
Double screen won't turn onOutdated firmwareUpdate the software through Settings โ†’ About TV โ†’ Update
Second image slows downLack of processor resourcesLower the second source resolution to 720p
No sound on screen two.Incorrect HDMI settingsCheck the settings โ†’ Sound โ†’ HDMI output
Wireless broadcasting is cut offWeak Wi-Fi signalConnect the TV to the router via Ethernet cable

If after updating the firmware function of the dual screen disappeared, try resetting the TV settings to factory:

  1. Go to Settings โ†’ About TV โ†’ Reset settings.
  2. Select Reset all settings (without removing applications).
  3. After rebooting, reset the dual screen.

๐Ÿ’ก

If the Xiaomi TV doesnโ€™t see the second device through HDMI, check the cable (must support HDMI 2.0 or higher) and port (some ports may be ARC-only).

Optimizing dual screen for gaming and streaming

If you use dual screen for gaming (like PlayStation 5+ PC) or streaming, itโ€™s important to minimize delays and ensure stable performance.

  • ๐ŸŽฎ For gaming consoles: Use HDMI 2.1 permit 4K@120Hz. In the settings of the TV, turn on Game Mode (Settings) โ†’ Picture โ†’ Game mode. Turn off post-processing (Settings) โ†’ Picture โ†’ Additionally. โ†’ Post-processing: Off.).
  • ๐Ÿ’ป For PC: Set the Permit 1920ร—1080@144Hz to minimize delay. Use it. NVIDIA G-Sync or AMD FreeSync if the TV supports.Close background apps on PC to free up resources GPU.

For streaming (e.g. Twitch + game):

  1. Connect the main device (PC/console) via HDMI.
  2. Run a streaming app on your smartphone and stream it to your TV via Miracast.
  3. In the settings of the TV, select the Main Source: HDMI, Secondary: Wireless.
  4. Set up the transparency of the second screen in Settings โ†’ Double screen โ†’ Transparency.

โš ๏ธ Attention: When used simultaneously 4K@120Hz on the main screen and streaming through Miracast TV can overheat. 60ยฐC).

FAQ: Frequent questions about the dual screen on Xiaomi

Can I use dual screen on Mi TV 4A?
No, the series models. 4A (Like Mi. TV 4A 32โ€ฒโ€ฒ does not support dual screen due to Amlogic processor limitations S905 And there's no function in the firmware. PIP on some versions of the software.
How to change the aspect ratio in a dual screen?
Go to Settings โ†’ Double Screen โ†’ Layout and choose between 50/50 (equal halves), 60/40 or 40/60 (asymmetric separation), 70/30 (to focus on the main content). Some models (e.g. Mi TV Q2) can manually drag and drop the separator.
Why does the sound disappear with the dual screen?
This is related to audio output settings. Solutions: Check Settings โ†’ Sound โ†’ HDMI output โ€“ Auto or PCM must be selected. If the audio comes from only one source, select Sound: Both from the Double Screen menu. For wireless broadcast, make sure that your smartphone is enabled Bluetooth Sound Transfer.
Can I use dual screens to work with two PCs?
Yes, but with limitations: ๐Ÿ–ฅ๏ธ Both PCs must be connected to the TV via HDMI. ๐Ÿ”Œ Recommended use USB-Ethernet hub for stable connection. ๐Ÿ“Š You will need to control the mouse/keyboard KVM-switch or software solutions like Synergy. MIUI TV 4.0+ You can assign different input sources for each half of the screen.
How do I turn off the dual screen?
There are two ways to get back to normal display mode: On the remote, press Home โ†’ Settings โ†’ Double screen โ†’ Turn off. Or just switch to one source with the Source button on the remote. If the screen is suspended in split mode, restart the TV with the Power button held for 10 seconds.