How to transfer the phone screen to the Xiaomi projector: all working methods

Contents

  • Preparation: What to check before connecting
  • Wireless broadcast over Wi-Fi (Miracast/DLNA)
  • Connection via HDMI: adapters and cables
  • USB-C โ†’ HDMI: direct-to-digital
  • Using the Xiaomi (Mi Home) Ecosystem
  • Typical problems and errors when connecting
  • Comparison of projector model compatibility
  • Frequent questions about setting up

Outputting your smartphone to the big screen through a Xiaomi projector opens up new possibilities, from watching high-resolution movies to presentations and games on a screen up to 300 inches. However, many users face difficulties when connecting for the first time โ€” the projector does not find the phone, the picture slows down or the sound is transmitted with a delay. In this article, we will analyze all the current ways of connecting, including wireless protocols and wired adapters, taking into account the features of different models of the Mi Projector (from the budget Mi Smart Projector 2 to the flagship Xiaomi Cinema 2 Pro).

It's important to understand that the way you connect depends on three things: the projector model, the Android version on your phone, and the quality of the broadcast you want. USB-C โ†’ HDMI, And Miracast is a wireless video experience, and we tested each method on devices from 2022 to 2026, and we identified key time-saving features.

๐Ÿ“Š What projector Xiaomi is using?
Mi Smart Projector 2
Mi Projector 2 Pro
Xiaomi Cinema 2/2 Pro
Another Xiaomi
Projector of another brand

Preparation: What to check before connecting

Before you start setting up, make sure that both devices meet the minimum requirements:

  • ๐Ÿ“ฑ Smartphone: Android 8.0+ (for Miracast or Android 10+ (For wireless audio broadcasting, only AirPlay is available on iPhones via third-party apps.
  • ๐ŸŽฅ Projector: Update the firmware to the latest version (check in Settings) โ†’ About the system โ†’ Update: Older versions may not support Wi-Fi Direct.
  • ๐Ÿ”Œ Power: connect the projector to the socket โ€“ with a low battery charge (less than 20%) it can turn off wireless modules.
  • ๐Ÿ“ถ Network: For stable broadcasting, the router must support 5 GHz (or use a direct projector access point).

Critical detail: projectors Xiaomi series Mi Smart Projector 2 and newer automatically switch to presentation mode when detected HDMI-signal, but wireless broadcasting requires manual Miracast inclusion in the Settings menu โ†’ Connections โ†’ Wireless broadcasting.

Make sure your phone and projector are on the same Wi-Fi network

Disable VPN and power saving modes on your phone

Check for availability of free ports HDMI/USB-C projector

Update the projector firmware to the current version

Prepare an adapter (if a wired connection is used)-->

If you plan to stream content from Netflix, Disney+ or other streaming services, note: many of them block the output through Miracast due to protection DRM. In this case, you will have to use HDMI Google Cast (if the projector supports Chromecast).

โš ๏ธ Attention: When in use USB-C โ†’ HDMI Adapter on Xiaomi smartphones with Snapdragon 8 Gen 2 processor+ (For example, Xiaomi 14 Ultra may need to enable Debugging mode USB In Settings โ†’ The phone. โ†’ Version. MIUI (7 times press).

Wireless broadcast over Wi-Fi (Miracast/DLNA)

The most versatile way is to use the Miracast protocol, which is built into most modern Android devices, which allows you to duplicate the phone screen on a projector without wires, but with a small delay (about 100-150 ms), which is critical for games, but not noticeable when watching video.

Instructions for Xiaomi Mi Projector projectors 2/3/4K:

  1. On the projector: go to Settings โ†’ Connections โ†’ Wireless broadcast and turn on Miracast.
  2. On the phone: open Settings โ†’ Connections โ†’ Screen broadcast (on MIUI The path may be different: Settings โ†’ Screen. โ†’ Broadcasting).
  3. In the list of available devices, select your projector (the name will be in the format). MI_PROJECTOR_XXXX).
  4. Confirm the connection on both devices.

If the projector is not listed:

  • ๐Ÿ”„ Reboot both devices.
  • ๐Ÿ“ก Make sure your phone and projector are connected to the same 5GHz Wi-Fi network (or use a direct projector access point).
  • ๐Ÿ”ง On your phone, turn on developer mode and activate the Wireless Display in Settings โ†’ System system โ†’ For developers.

๐Ÿ’ก

If the picture slows down, reduce the resolution of the broadcast in the Miracast settings on the phone to 720p โ€” This will reduce the load on the processor and improve smoothness.

To broadcast only video (without duplication of the entire screen) you can use the protocol DLNA via apps like LocalCast or BubbleUPnP. This is useful for viewing movies from the gallery or from the gallery. NAS-sound-delayed.

ProtocolDelay.Max, permission.Sound supportEnergy consumption
Miracast100-150 ms.1080pYes.Average.
DLNA50-80 ms.4K (depends on the file)Yes.Low.
Google Cast200-300 ms.1080pYes.High.
AirPlay (via apps)150-250 ms1080pYes.High.

Connection via HDMI: adapters and cables

For minimal delay (important for games or presentations), it is better to use a wired connection through the Internet. HDMI. Xiaomi smartphones donโ€™t have a port HDMI, So you'll need an adapter. Here's what works:

  • ๐Ÿ”Œ USB-C โ†’ HDMI: It's the most reliable way. It's the most reliable way. USB 3.1+ (for example, Xiaomi 13T Pro, Redmi Note 12 Pro+). Recommended adapters with DisplayLink chip for stable operation.
  • โšก USB-C โ†’ HDMI (Support for DisplayPort Alt Mode: Allows you to 4K@60Hz Projectors on Xiaomi Cinema 2 Examples of adapters: Anker 310, Baseus 6-in-1.
  • ๐Ÿ“ฑ Micro-USB โ†’ HDMI: Relevant to older models (Redmi) 5/6). Look for support adapters MHL (Mobile High-Definition Link).

Step-by-step:

  1. Connect the adapter to the phone and then connect it to the projector cable HDMI.
  2. On the projector, select the source of the signal: HDMI 1/2 (port-by-port).
  3. A request for permission to display an image may appear on the phone - confirm it.
  4. If the screen is not duplicated, go to Settings โ†’ Screen โ†’ HDMI Mode and choose Duplicate or Expand.

Important nuance: when using adapters without external power (USB-C โ†’ HDMI) Xiaomi projectors may not recognize the signal due to insufficient power:

  • Use an adapter with an additional port USB-A for power (connect to charging).
  • Check the settings. USB on the phone: go to Settings โ†’ Special facilities โ†’ Regime. USB and select File Transfer (MTP) Or just charging.
Why the projector canโ€™t see the phone through the phone HDMI?
If the adapter is connected but there is no signal, check: 1. HDMI โ€” It should support version 2.0 or higher for 4K. 2. Settings HDMI On projector: some models (e.g. Mi Smart Projector 2) require manual mode selection PC 3 Adapter compatibility: Cheap Chinese adapters often don't support HDCP, Why you canโ€™t work with Netflix and other services.

โš ๏ธ Note: When connecting through HDMI on Xiaomi projectors with Android TV (For example, Mi Projector 2 Pro, you might have a permission conflict. To fix this, press the projector remote. OK + Menu for 5 seconds to reset display settings.

USB-C โ†’ HDMI: direct-to-digital

This is the most modern and stable way of connecting, which supports all flagship Xiaomi smartphones since the Mi 10. HDMI, DisplayPort Alt Mode protocol is used here, which transmits a signal without loss of quality and with minimal latency (less than 50 ms).

What you need:

  • ๐Ÿ”Œ Cable USB-C โ†’ HDMI with support for Alt Mode (for example, UGREEN 4K@60Hz Anker PowerExpand).
  • ๐Ÿ“ฑ Smartphone with port USB 3.1 Gen 2 (List of supported models: Xiaomi 12/13/14 series, Redmi K50/K60, POCO F4/F5).
  • ๐ŸŽฅ Port projector HDMI 2.0+ (All Xiaomi models after 2020).

How to connect:

  1. Connect the phone and projector with a cable USB-C โ†’ HDMI.
  2. On the projector, select the source. HDMI (is usually automatically determined).
  3. The phone will be notified of the connection of the external display โ€“ click Allow.
  4. If necessary, change the display mode in Settings โ†’ Screen. โ†’ Regime. HDMI.

Advantages of this method:

  • ๐ŸŽฎ Minimum input delay โ€“ ideal for games (Call of Duty Mobile, Genshin Impact).
  • ๐Ÿ“บ Support 4K@60Hz and HDR10 compatible.
  • ๐Ÿ”‹ Low energy consumption compared to Miracast.

๐Ÿ’ก

USB-C โ†’ HDMI Alt Mode is the only way to get out 4K@60Hz From phone to Xiaomi projector without loss of quality and delays.

If the image does not appear:

  • Try another cable โ€“ many cheap options donโ€™t support Alt Mode.
  • Turn off the power saving mode for the port USB.
  • Update the projector firmware โ€“ in older versions there could be a bug with DisplayPort recognition.

Using the Xiaomi (Mi Home) Ecosystem

If you have other Xiaomi devices (such as Mi Box or Mi) TV Stick, you can stream through the Mi Home app, and it's a method that's convenient for controlling a projector from your phone and transmitting content wirelessly.

How to set up:

  1. Install the Mi Home app on your phone and log in to your Xiaomi account.
  2. Add the projector to the app: press + โ†’ Add the device โ†’ Projectors and follow the instructions.
  3. After connecting, open the projector card in Mi Home and select Screen Translation.
  4. On the phone, confirm the connection request.

Features of this method:

  • ๐Ÿ”— It works even if the phone and projector are on different networks (via the Xiaomi cloud).
  • ๐Ÿ“ฑ Allows you to control your projector via Alice or Google Assistant.
  • โš ๏ธ Latency can reach 300 ms โ€“ not suitable for dynamic games.

For Mi Projector 2 Pro and later, Mi Share is available, which automatically detects devices on the local network to activate:

  1. On the projector: Settings โ†’ Connections โ†’ Mi Share โ†’ Turn on.
  2. On your phone: Open the notification curtain and click on the Mi Share icon (or find in Settings). โ†’ Connections).
  3. Select a projector from the list and confirm the connection.

๐Ÿ’ก

If Mi Share doesnโ€™t find the projector, check that the phone is powered on Bluetooth โ€“ itโ€™s used for initial device synchronization.

Typical problems and errors when connecting

Even with the right setup, you can have failures, and we've collected some of the most common errors and ways to fix them:

Problem.Possible causeDecision
Projector doesn't see phone over Wi-FiDifferent Wi-Fi networks (2.4 GHz vs 5 GHz)Connect both devices to the same 5GHz network or use a projector access point
Sound is transmitted, but the image is not.Screen permission conflictOn the phone, set the broadcast permission manually (720p or 1080p)
The picture slows down or tears.Weak Wi-Fi signal or processor overloadReduce resolution, close background apps, or use HDMI
Black screen when connected via HDMIIncompatible adapter or cableTry an externally powered adapter or check for Alt Mode support
Netflix/Disney+ nonreproduceDRM (Widevine L1) LimitationsUse the official application on the projector or HDMI-connection

If the Xiaomi projector is permanently shut down during the broadcast:

  • ๐Ÿ”‹ Check the power supply - use the original adapter on the 65W (lamp-model).
  • ๐ŸŒก๏ธ Make sure the projector vents are not closed โ€“ overheating leads to emergency shutdown.
  • โš™๏ธ Reset network settings on the projector: Settings โ†’ System system โ†’ Resetting the network.

โš ๏ธ Attention: On Xiaomi projectors with Android TV (For example, Mi Projector 2 Pro, when connected via a HDMI may trigger protection HDCP, To get around this, you can project any video you want to use on your projector through YouTube before you plug in your phone, and that'll drop the restrictions.

Comparison of projector model compatibility

Not all Xiaomi projectors work equally well with phones, and we tested popular models and compiled a compatibility table:

Projector modelMiracastHDMI (Alt Mode)USB-C โ†’ HDMIMi HomeMax, permission.
Mi Smart Projector 2Yes (1080p)No.Yeah (with adapter)Yes.1920ร—1080
Mi Projector 2 ProYes (4K)Yes (4K@30Hz)Yes.Yes.3840ร—2160
Xiaomi Cinema 2 ProYes (4K HDR)Yes (4K@60Hz)Yes.Yes.4096ร—2160
Mi Smart Projector YouthYes (720p)No.Yes (with limitations)No.1280ร—720
Xiaomi Portable ProjectorYes (1080p)No.Yes (requires food)Yes.1920ร—1080

For models 2023โ€“2026 years (e.g. Xiaomi Cinema) 2 Pro) the manufacturer recommends using a proprietary adapter Xiaomi USB-C to HDMI (articular MDZ-32-DB), guaranteed to support 4K@60Hz and HDR.

If you have an old projector model (before 2020), check for a port. MHL โ€” It allows you to connect your phones via Micro-USB with a special adapter, but this method is outdated and only works with phones on Android 9 and below.

Frequent questions about setting up

Can I connect my iPhone to a Xiaomi projector?
Yes, but with limitations, Miracast requires you to install Screen Mirroring for Xiaomi or ApowerMirror. โ†’ HDMI (The latency of wireless broadcasting from iPhones is usually higher than with Android.
Why is there no sound when connecting via HDMI?
This is a typical problem when using cheap adapters. Solutions: Check the sound settings on the phone: in Settings โ†’ Sound. โ†’ Select the sound output HDMI. Update the projector firmware - older versions may have had an audio driver bug. Use an adapter with a separate audio output (e.g., an audio output adapter, USB-C โ†’ HDMI + 3.5mm jack).
How to reduce delays in games?
For minimum delay (<50 use USB-C โ†’ HDMI Alt Mode. Additional settings: On the projector, turn on Game mode (in image settings). Turn off post-processing video in projector settings. On the phone, activate performance mode in Settings. โ†’ Battery โ†’ Performance mode.
Can I broadcast the phone screen to the projector via Bluetooth?
No, Bluetooth does not support video transmission โ€“ it can only be used to control the projector (for example, through the remote in the Mi Home app) or to transmit sound (if you connect a separate Bluetooth speaker).
How to bring the screen of the phone to the Xiaomi projector without Wi-Fi?
There are three options: HDMI-Adapter: the most reliable way, it doesn't require a network. Direct access point: on the projector, create an access point (Settings) โ†’ Wi-Fi โ†’ Access point mode, and connect your phone to it. USB-OTG: Some models (e.g. Mi Projector 2 Pro) support phone connectivity USB mode MTP, But this only allows you to transfer files, not broadcast the screen.