Why video is not played on Xiaomi phone: a full analysis of the causes and solutions

You try to open a video on your Xiaomi, but instead of a picture, you see a black screen, an error โ€œnot supportedโ€ or endless download? The problem is familiar to millions of users of Redmi, Poco and Mi smartphones โ€” from budget models to flagships. 80% of cases are not hardware malfunctions, but software conflicts that can be fixed on their own in 5-15 minutes.

This article doesnโ€™t just list the standard tips like โ€œreboot your phoneโ€ or โ€œupdate your app.โ€ Weโ€™ve broken down 10 unique reasons why video might not play on Xiaomi, from hidden MIUI settings to how to work with HEVC/H.265 codecs. Weโ€™ve also prepared a format compatibility table for different models and a quick diagnostic checklist. If youโ€™re a Redmi Note 12, Poco X5 or Mi 13 Ultra owner, hereโ€™s the solution for your firmware.

1. Codec Problems: Why Xiaomi Doesn't Support Some Videos

The most common reason is the lack of hardware support for codecs. Xiaomi smartphones on Qualcomm Snapdragon processors (for example, Redmi Note 11 Pro+ with Snapdragon 695) often cannot decode HEVC (H.265) video with a resolution above 1080p if it is encoded with a 10-bit color depth. and devices on MediaTek (for example, Poco M5 with Helio G99) can slow down when playing AV1.

How do you check?

  • ๐Ÿ” Open file properties on PC: if the "Codecs" section is specified HEVC or AV1, That's the problem.
  • ๐Ÿ“ฑ On your phone, install MediaInfo (available on Google Play) โ€“ it will show you the exact video settings.
  • โš™๏ธ In the player settings (for example, MX Player: Enable the option โ€œSoftware decodingโ€ (Settings) โ†’ Decoder โ†’ Use SW decoder).

Important for Xiaomi owners on MIUI 14+: the firmware defaults to some codecs because of licensing restrictions, even flagships like the Mi 13 Pro.

๐Ÿ“Š What app do you use to watch videos?
YouTube
MX Player
VLC
MIUI Gallery
Other

2. MIUI Conflicts: Hidden Settings That Block Video

MIUI is known for its โ€œoptimizationsโ€ that sometimes break playback. For example, MIUI 13-14 has a hidden Video Toolbox feature that compels video compression in the background if power saving mode is turned on. And Redmi with MediaTek processors can trigger a hardware acceleration limit for third-party players.

What to do:

  1. Open Settings โ†’ Battery and Performance โ†’ Power Saving Mode and turn it off.
  2. Go to Settings โ†’ Applications โ†’ Application Management โ†’ [Your Player] and allow auto-start and work in the background.
  3. For MIUI 14+: Enter the โ€œVideo Toolboxโ€ settings in search and turn off video optimization.

โš ๏ธ Note: On some models (Poco) F4 GT, Redmi K50) post-update MIUI 14.0.4+ Dolby Vision is missing in the video. It's a firmware bug -- wait for the patch or roll back to the previous version.

Power saving mode disabled | Player auto-start | Video Toolbox | Updated Codecs in Google Play (for Android 10+)

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If the video is not played in only one app (for example, YouTube or the standard MIUI Gallery), the problem lies in the video itself.

  • ๐Ÿ”„ Cash of the application: YouTube after update to version 18.20+ The playback may be broken due to a damaged cache.
  • ๐Ÿ› ๏ธ Experimental functions: in MX Player included in Hardware+ Decoder conflicts with Adreno drivers (in smartphones on Snapdragon).
  • ๐Ÿ“ฅ Loading restrictions: in the Gallery MIUI By default, downloading high-quality video on mobile Internet is disabled.

Decisions:

AnnexProblem.How to fix it
YouTubeBlack screen when playingClear the cache (Settings โ†’ Apps โ†’ YouTube โ†’ Storage โ†’ Clear the cache)
MIUI GalleryVideo slows down or doesn't loadEnable โ€œHigh Qualityโ€ in Gallery Settings โ†’ View video
MX PlayerSound's there, no image.Switch the decoder to Software in the settings
VLCVideo 'twitches'Disable Hardware acceleration in Settings โ†’ Video

๐Ÿ’ก

If the video in Telegram is not playing, try saving it to the device and then opening it through VLC. Often the problem is the compression that the messenger uses.

4. File system errors: corrupted video or SD-map

If the video is not played only from a memory card or after moving between folders, the file system is to blame. Xiaomi smartphones often conflict with exFAT (especially on Android 11-12), and when formatting in NTFS, read errors can occur.

  • ๐Ÿ“Ž Wrong extraction SD-Cards (without Safe Retrieval).
  • ๐Ÿ”‹ Abrupt power outage during recording/copying.
  • ๐Ÿ–ฅ๏ธ Transfer files from the PC through MTP (Media Transfer Protocol).

How to restore:

  1. Connect. SD-map to PC and check for errors through chkdsk [disk letter]: /f (Windows).
  2. Reformat the card to FAT32 (if the volume is up to 32 GB) or exFAT (if more) using the official SD Card Formatter utility.
  3. For damaged videos, use FFmpeg with the command: ffmpeg -err_detect ignore_err -i input.mp4 -c copy output.mp4 (substitute input.mp4 and output.mp4 your files).

โš ๏ธ Attention: Xiaomi with Android 13+ and MIUI 14 has a bug: when connected SD-map OTG Videos may not open due to Scoped Storage limitations. Solution: copy the file to internal memory.

5.DRM and Licensing Limitations: Why Some Videos Are Blocked

Videos from services like Netflix, Disney+ or Amazon Prime may not play due to DRM (Digital Rights Management) issues. Xiaomi smartphones must support Widevine L1 for high-quality playback, but sometimes:

  • ๐Ÿ” Firmware knocks down Widevine certificates (often after root access or custom firmware).
  • ๐Ÿ“ฑ The device is not certified by Google (checked in Google Play Protect).
  • ๐Ÿ”„ Update MIUI drop off the keys DRM.

How to check and correct:

  1. Install the DRM Info app from Google Play, and it will show you the Widevine level (should be L1).
  2. If level L3, reset via Settings โ†’ Apps โ†’ Google Play Services โ†’ Storage โ†’ Delete data.
  3. For rooted devices: Refuse the vendor and system section through Fastboot.

What if Widevine is lost after the update?
If the Widevine level dropped to L3 after the MIUI update, try: 1. Reverse to the previous firmware version via Fastboot. 2. Remove updates for Google Play Services and Google Play Movies. 3. Restore certificates through Magisk (Widevine L1 Fixer module). If nothing helps, contact the service center: the problem may be in the hardware ID of the device.

Hardware problems: when iron is to blame

If the video is not played in all applications, even after resetting the settings, hardware malfunctions are possible:

  • ๐Ÿ“ฑ Problems with the graphics accelerator (for example, Adreno 640 in Snapdragon 865 can overheat and shut down).
  • ๐Ÿ”‹ Memory controller malfunction (video โ€œtwitchesโ€ or hangs on specific frames).
  • ๐Ÿ”Œ Damage to the connector USB-C (If the problem is only when connecting to an external display).

Diagnosis:

  1. Run a graphics test through 3DMark or GFXBench โ€“ if the FPS drops to 0, itโ€™s the GPUโ€™s fault.
  2. Check the temperature of the processor with AIDA64. If the Snapdragon heats up above 85ยฐC when playing, you need to replace the thermopast.
  3. Connect your phone to the Monitor/TV via HDMI (USB-C to HDMI adapter). If the video is playing normally on the external screen, the problem is with the display of the smartphone.

๐Ÿ’ก

If the video isn't played in horizontal orientation only, check the gyroscope sensor. On Xiaomi, it can conflict with display drivers after the device falls.

7. Features of specific Xiaomi models

Some Xiaomi models have unique problems with video playback:

ModelProblem.Decision
Redmi Note 10 ProGreen artifacts when playing HDR10+Disable HDR in screen settings or update firmware to MIUI 13.0.8+
Poco F3Video in Telegram played without soundSwitch audio output to Stereo speakers in Settings โ†’ Sound
Mi 11 UltraBrakes during 8K playbackEnable Game Turbo in the notification bar (paradoxically, but helps)
Redmi 9ADoes not support VP9 on YouTubeUse NewPipe or Vanced (alternative clients)

๐Ÿ’ก

On Xiaomi AMOLED-screens (e.g. Mi 11 Lite) may trigger a brightness limit when playing HDR. Turn off Adaptive Brightness in the Display Settings.

FAQ: Frequent questions about video playback on Xiaomi

Why is WhatsApp not playing on my Redmi Note 12?
WhatsApp Videos are Compressed to Resolution 720p, But some Xiaomi models (especially MediaTek) have a codec conflict. VLC. In WhatsApp settings, turn off Traffic Savings (Settings) โ†’ Storage and data. Update Google Play Services - sometimes the problem is outdated DRM-key.
How to turn on hardware acceleration for video on Poco X3 Pro?
On the Poco X3 Pro (and other Snapdragon models), hardware acceleration can be disabled due to a bug in MIUI. To enable: Install MX Player and select Custom decoder. In the player settings, enable Use HW+ decoder (where supported). If the video "twitches," try disabling Post-processing in the decoder settings. For MediaTek devices (e.g. Redmi Note 11), hardware acceleration may not work in VLC - use MX Player.
Why did the video stop playing in the gallery after the upgrade to MIUI 14?
V MIUI 14 The mechanism of work with Scoped Storage has changed, because of which the standard Gallery may not see the video on the site. SD-Solution: Move the video to the folder DCIM/Camera. Use an alternative gallery, such as Simple Gallery. Clear the Gallery app data (Settings) โ†’ Annexes โ†’ gallery โ†’ Warehouse โ†’ Delete the data. If the problem persists, it's a firmware bug. MIUI 13 or wait for the patch.
Can you play video in AV1 format on Xiaomi?
Technically yes, but with reservations: Snapdragon 8 Gen 1/2 (Mi 12/13, Poco F4 GT) supports AV1 hardware, but only in 8-bit. MediaTek Dimensity (Redmi Note 12 Pro+) decodes AV1 software, which puts a heavy load on the processor. On budget models (Redmi 10A, Poco M4), the AV1 is played only through VLC with software decoding (will brake). To check, install the AV1 test video (for example, with demo-uhd3d.com) and try to play the MXer.
What if the video is played without sound on Xiaomi?
Causes and Solutions: Audio codec conflict: install VLC and manually select the audio track in the playback menu. Bluetooth bug: If you had headphones connected before, restart your phone or reset your Bluetooth settings (Settings โ†’ Connected devices โ†’ Bluetooth โ†’ Additional โ†’ Reset). MIUI restrictions: in some regional firmwares, turn off the audio for video in the browser. Check Settings โ†’ Sound โ†’ Media. Damaged file: try playing the video on another device. If there is no sound and there is a bit file.