How to turn on video on Xiaomi devices: from Mi TV smartphone

You are trying to run a video on the Xiaomi Mi TV TV smartphone Redmi/POCO, But instead of a picture, you see a black screen, an error called "Not Supported Format," or the player just doesn't respond to the presses, and the problem can be in the settings of the device, or in the video file itself. In this article, we will analyze all possible causes and ways to eliminate them - from basic checks to hidden functions. MIUI PatchWall.

Xiaomi's technology is characterized by its own shells and firmware, which sometimes conflict with standard codecs. TV You may not be able to play video in format. MKV codeced H.265 (HEVC), Even if the files are opened on smartphones of the same brand. POCO F5 Redmi Note 12 is often a problem with energy saving, which blocks background playback.

Before you look for a solution, determine which device is the problem:

  • ๐Ÿ“บ Xiaomi TVs (Mi) TV 4/5, Mi TV Q1/Q2, Mi TV A Pro and others.)
  • ๐Ÿ“ฑ Smartphones (Redmi, POCO, Xiaomi 13/14 series)
  • ๐Ÿ–ฅ๏ธ Tablets (Mi Pad) 5/6, POCO Pad)
  • ๐ŸŽฎ Pre-Site (Mi Box S, Mi) TV Stick)

Next, weโ€™ll look at solutions for each type of device, as well as universal methods that work 90% of the time.

1. Check the basic parameters before turning on the video

Most often, the problem is not the device, but the file itself or how it is opened. Before digging into the settings, follow these steps:

  • ๐Ÿ” Check the file extension. Videos in.mkv,.avi or.mov formats may require additional codecs. Optimal formats for Xiaomi:.mp4 (codec H.264) and.m4v.
  • ๐Ÿ”Š Make sure the sound isn't turned off. On Xiaomi TVs, "No Sound" often works when you connect your headphones over Bluetooth.
  • ๐Ÿ“ถ Check your Internet connection. If the video is streaming (YouTube, Kinopoisk), a weak Wi-Fi signal can cause freezes.
  • ๐Ÿ”„ Reboot the device. On TVs, hold the power button for 10 seconds; on smartphones, use the Power combination. + Volume Up.

If the video is not played in only one application (for example, in the Gallery or Mi Video Player), try opening it through a third-party player like the one in the game. VLC or MX Player: These programs support Majority codecs and often solve the problem without additional settings.

โš ๏ธ Note: Xiaomi TVs with PatchWall firmware below version 3.0 may not support Dolby Vision. Update the software via Settings โ†’ On TV. โ†’ Updating the system.

๐Ÿ“Š What kind of Xiaomi device do you have?
Mi TV TV TV
Smartphone Redmi/POCO/Xiaomi
Mi Pad tablet
The Mi Box console
Other

2. Set up video playback on Xiaomi Mi TVs TV

Xiaomi TVs based on Android TV They have restrictions on the playback of some formats because of licensing agreements. If the video doesn't run or comes with artifacts, follow these steps:

Activation of hardware acceleration

By default, Xiaomi TVs use software decoding, which can lead to brakes.

  1. Open the Settings. โ†’ Annexes โ†’ Special access โ†’ Optimizing the battery.
  2. Find the Video Player app (or the one you play video in) and turn off optimization.
  3. Back to Settings โ†’ Display and sound โ†’ Picture โ†’ Additionally.
  4. Activate the Hardware Acceleration option (if available).

Updating the codecs

If the video is in format HEVC (H.265) orally DTS Not reproduced, install additional codecs:

  • ๐Ÿ“ฆ Download. MX Player from Google Play on TV.
  • ๐Ÿ”ง When you first start the player will offer to download Custom Codec โ€“ agree.
  • ๐ŸŽฌ Open the video through MX Player and select SW Decoder (software decoder) in playback settings.
Video formatIs it supported on Mi? TVDecision
MP4 (H.264)โœ… Yes.Opens with a standard player
MKV (H.265)โŒ No (no codecs)Install MX Player + Custom Codec
AVI (Xvid)โš ๏ธ Partially.convert into MP4 use VLC
MOV (Apple ProRes)โŒ No.Conversion is mandatory

โš ๏ธ Attention: On Mi TVs TV 4S and older may not have support VP9 โ€” codec used in YouTube for video 4K. Solution: Select permission in YouTube settings 1080p.

Update the firmware to the latest version|Install MX Player or VLC|Disable battery optimization for player|Video format check (convert to the MP4 if necessary)|Reboot the TV-->

3. Solving sound problems when playing video

Frequently, video is coming and no sound, or there's a delay, cause and solution.

  • ๐Ÿ”‡ Turn off the sound in the player. Press the Volume button on the remote or check the volume slider in the application.
  • ๐ŸŽง Bluetooth audio is active. Go to Settings โ†’ Devices โ†’ Bluetooth and turn off the headphones/columns.
  • ๐Ÿ”Š Incompatible audio codec. Video with sound DTS or AC3 Solutions: Use them. MX Player on SW Audio Decoder. Convert the audio track to AAC via HandBrake.
  • โฑ๏ธ Sound delay. MX Player or VLC Find the audio delay setting and select the value from -200 before +200 miss.

On Xiaomi Mi TVs TV Q1E And then there's the built-in audio synchronization function, to activate it:

  1. During the video playback, press the Menu button on the remote.
  2. Select Sound Settings โ†’ Synchronization.
  3. Use the arrows to adjust the delay.

๐Ÿ’ก

If the sound is only lost in certain apps (e.g. Netflix), clear the appโ€™s cache in Settings. โ†’ Annexes โ†’ [Name of name] โ†’ Memory. โ†’ Clear the cache.

4.Why video isn't playing on Xiaomi smartphones

On Redmi smartphones, POCO Xiaomi and video problems are most often associated with:

  • ๐Ÿ”‹ Power saving mode that limits the background activity of players.
  • ๐Ÿ“‚ Access to files (especially if the video is on the SD-map).
  • ๐Ÿ› ๏ธ Outdated codecs in firmware MIUI.

How to fix it:

4.1. disable battery optimization for the player

MIUI aggressively shuts down applications in the background, so that the video can be played without pause:

  1. Go to Settings โ†’ Applications โ†’ Application Management.
  2. Choose your player (for example, Gallery or VLC).
  3. Press Battery Limitations โ†’ No restrictions.
  4. Activate Auto Start and Background Activity.

4.2. Allowing access to files

If the video is stored on SD-In the cloud or in the map (Mi Cloud, Google Drive), the player may not see the files:

  • For SD-maps: in Settings โ†’ Memory. โ†’ SD-Click Format as internal (data will be deleted!).
  • For cloud services: Download videos locally or use a service app (e.g. Google Photos for playback).

โš ๏ธ Attention: On smartphones POCO F3/F4 firmware MIUI 13+ There may be no support AV1 โ€” codec used on YouTube to save traffic. Update your firmware or use your Firefox browser to view.

How to check which codec is used in the video?
Open the file in the player VLC โ†’ Click on the information icon (โ“˜) โ†’ Go to the Codecs tab, and it says: H264, HEVC, VP9 - Audio, etc: AAC, AC3, DTS If the codec is marked in red, it is not in the system, and the video will not be played without converting or installing additional libraries.

5. Video Conversion for Compatibility with Xiaomi

If none of these methods work, you have to convert the video to a supported format, and the free HandBrake program is good for that (Windows/macOS/Linux) FFmpeg (for advanced users).

The best settings for Xiaomi:

  • ๐Ÿ“ผ Container format: MP4 or M4V.
  • ๐ŸŽฅ Video codec: H.264 (AVC) or H.265 (HEVC) (only for Mi TV latest-update).
  • ๐Ÿ”Š Audio codec: AAC (stereo or 5.1).
  • ๐Ÿ“ Permission: Do not exceed 1920ร—1080 For older models of television (Mi) TV 4A, 4C).

Step-by-step instructions in HandBrake:

  1. Start the program and select the source file.
  2. In the Output Settings section, set the format MP4.
  3. Tab Video: Codec: H.264 (x264). Quality: RF:18-22 (The lower the number, the better the quality). FPS: Same as source or 30.

Audio

  • Codec: AAC.
  • Bitrate: 160 kbps (enough for most cases)
  • Click Start Encode and wait until itโ€™s finished.

Converted video will be played on 99% of Xiaomi devices, including older models of TVs and smartphones MIUI 10+.

๐Ÿ’ก

Conversion is the last resort. Before you do that, try playing the video through the video. VLC or MX Player with installed codecs.

6. Problems with online video playback (YouTube, Kinopoisk, TV applications)

If the video is not loaded in streaming services, the problem may be:

  • ๐ŸŒ Blocking traffic by the provider (relevant for Russia and some CIS countries).
  • ๐Ÿ”’ DRM-protection (e.g. Netflix or Disney)+).
  • ๐Ÿ“ก Weak Internet connection (especially at 5GHz Wi-Fi frequency).

Decisions:

Shift DNS block-by-lock

On TVs and smartphones Xiaomi can be changed DNS, to unlock access to services:

  1. Go to Settings. โ†’ Wi-Fi.
  2. Click on your network and select Change the network โ†’ Additionally. โ†’ Settings IP.
  3. Set up a static. IP enter DNS: For YouTube: 8.8.8.8 (Google) or 1.1.1.1 (Cloudflare). For Kinopoisk: 77.88.8.8 (Yandex).

Save and restart the device.

Updating certificates DRM

If the video is on Netflix or OKKO fails to reproduce DRM Error, update the certificates:

  • On TVs: Go to Settings โ†’ Annexes โ†’ Netflix โ†’ Memory. โ†’ Clear the data.
  • On smartphones: install the application DRM Info from Google Play and check Widevine status. L3, firmware update.
ServiceTypical mistakeDecision
YouTubeReproduction is impossibleChange. DNS update the application
NetflixDRM Error: -1026Clear the application data + firmware
KinopoiskContent is not available in your areaUse it. VPN shift DNS
TV applications (TNT, CTC)Mistake 5001Reinstall the application and check the date/time on the device

7. Xiaomi's Hidden Features to Improve Playback

In the firmware MIUI And PatchWall has hidden settings that can help you play video:

Developer mode for television sets

Activation of this mode allows you to include debugging on USB and modify the reproduction parameters:

  1. Go to Settings. โ†’ On TV.
  2. Click 7 times on the build number until you become a developer.
  3. Back to Settings โ†’ Additionally. โ†’ For developers.
  4. Activate: Debugging by USB (Do not turn off the screen during charging (useful for long-term playback). GPU (improves smoothness).

Hidden settings MIUI smartphone

On Xiaomi smartphones, you can turn on hardware acceleration for video through the engineering menu:

##4636##

After entering the code:

  1. Select Phone Information.
  2. Scroll down to Disable hardware overlays and activate the option.
  3. Reset the device.

If the video 4K slow down, try to lower the resolution to 1440p.

How to enable video playback in the background on Xiaomi smartphones?
MIUI It blocks background play by default to save battery life. To fix this, open Settings. โ†’ Annexes โ†’ App management. Select a player (e.g. YouTube or VLC). Activate: Autorun. Background activity. No battery limitations. Restart player. YouTube also allows you to use YouTube Vanced (requires manual installation) or Firefox browser with Desktop Site enabled.
What to do if the video slows down on Xiaomi Mi TV?
Causes of brakes and solutions: Cause Solution Weak Wi-Fi Connect TV over Ethernet cable or use 5GHz Wi-Fi. High resolution video Downgrade to quality 1080p Overheat the TV, provide ventilation (do not put the TV in a niche) and reboot it. Outdated firmware Update the software through Settings โ†’ Updating the system.