Why is it that Xiaomi Redmi video is not played? 9A: comb-shop

You shot a video on Xiaomi Redmi 9A, But when you try to play it on the phone itself, you get an error, is the black screen or sound playing without a picture? MIUI Or using third-party applications to shoot, and 80 percent of the time, it's not hardware faults that are to blame, but software conflicts or inappropriate settings.

In this article, we will discuss all the possible reasons why the video is not played on Redmi. 9A — From the banal absence of codecs to the damage to the file system, you will receive step-by-step instructions for diagnosing and solving the problem, including how to restore damaged video files and optimize the camera. MIUI for Redmi 9A, These are often sources of conflict.

If you’ve tried rebooting your phone or cleaning your cache, don’t stop there.The article has unique techniques that aren’t described in Xiaomi’s standard guides, such as manually installing codecs through the phone. ADB Recover video metadata with specialized applications.

1. Checking the basic playback settings

Before digging deep into system files, make sure the problem isn't in the obvious settings. at Redmi 9A Multimedia settings are often lost after updates or reset to factory settings.

Start by checking the standard Google Photos or Gallery player MIUI:

• 📱 Open the video through the Gallery and tap three dots in the upper right corner. → Details. Check if the duration of the video is displayed. If you have a dash instead of time, the file is corrupted.
• 🔊 Try playing the video with another player (for example, VLC or MX If it opens, there's a problem with the standard player. MIUI.
• 🔄 Switch to mobile data (if video is stored in the cloud) – sometimes Redmi 9A Blocks playback on slow internet.

Notice the video format.Redmi 9A MediaTek Helio-based G25 It works poorly with files in HEVC (H.265) or AV1, Especially if they are in the above resolution. 1080p. Try converting the video into H.264 via HandBrake or FFmpeg.

⚠️ Note: If the video is shot in 60 mode FPS or high bit rate, standard gallery MIUI It may not open. Use it. VLC or K-Lite Codec Pack for playback.

2. Codec conflicts and software

Redmi 9A It runs on the MediaTek Helio processor. G25, which has limited support for video decoding hardware, if your file is encoded in a non-standard format (e.g, VP9 or H.265 10-bit), The phone will not be able to play it without additional codecs.

The problem is compounded by the fact that MIUI Often deletes or blocks system codecs after updates:

1. Install the AIDA64 app from Google Play.
2. Go to the Multimedia section. → Codecs.
3. Check for lines. H.264, MPEG-4, VP8. If they are not, the codecs are deleted.

Decisions:

• 🛠️ Install. MX Player with Custom Codec (download a separate package from the official website).
• 🔧 Use Magisk to install the module MIUI Codec Pack (root required).
• 📲 Update the firmware to the latest version MIUI through settings → The phone. → Updating the system.

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If the video is shot in the TikTok or Instagram app, try saving it directly to the gallery via the Save Without Watermark option. MIUI unrecognisable.

3. Damaged files and file system errors

If the video is not played in any player, but it takes up space on the disk, it's likely that the file is corrupted. 9A It's often because of:

• 🔋 Abrupt power outage during recording (for example, battery discharge to 0%).
• 🗄️ File system errors (especially if you use a microSD card).
• 📱 Conflicts in the transfer of files through MIUI File Manager or Bluetooth.

How to Recover Damaged Videos:

1. Connect your phone to your PC and copy the problem file.
2. Use FFmpeg to check integrity: ffmpeg -v error -i video.mp4 -f null – If the command returns errors, the file is corrupted.
3. Try it for recovery. MP4 repair VLC (Tools → Fix the video).

If there is a problem in the file system:

• 📁 Move all important files from memory card to internal memory.
• 🔄 Format microSD in the FAT32 or exFAT via PC (not via phone!).
• 🛠️ Restore access rights to the folder DCIM File Manager via File Manager+ (root).

⚠️ Note: Do not use applications like Clean Master to clean up cache on Redmi 9A. They often delete system codec files, which leads to problems with video playback.

4. Problems with the camera and shooting settings

Sometimes the video is not played due to incorrect settings of the Redmi camera. 9A. For example, if you are shooting in the mode 4K (which is implemented on this phone software) or with stabilization enabled EIS, The file may be "broken".

Check the current camera settings:

1. Open the camera. → slip on ⚙️ Settings.
2. Make sure the permit is worth it. 1080p (not 4K!).
3. Turn off video stabilization and HDR — These functions often cause artifacts.
4. Check that the format of the preservation — MP4, not MKV or MOV.

If the video is shot in a third-party app (such as Open Camera or FilmoraGo), try:

• 📸 Take a test video in a standard camera MIUI.
• 🔧 Reset the application settings to factory.
• 📥 Update the application or reinstall it.

Critical feature of Redmi 9A: When shooting in low light, the phone automatically raises the bitrate of the video, which can lead to coding errors. If you shoot in a dark room, turn on Night Mode or use an external light source.

5. Updates MIUI and reset

Many Redmi users 9A Have problems playing video after updating MIUI. This is especially true for the snails. MIUI 12.5 and later, where Xiaomi removed some of the system codecs to save space.

How to get back to work:

1. Check the version. MIUI In Settings → The phone, if it's 12.5.xx or 13.xx — try to roll back on MIUI 12.0 (if available).
2. Reset the multimedia settings: Settings → Annexes → Application management → gallery → Warehouse → Clear the data
3. Install Security Update through Settings → Updating the system → Three points. → Update Pack (download the latest version from the official website).

If the problem has occurred after manual update via Fastboot or Recovery:

• 🔄 Refuse the phone with a complete cleanup (Wipe Data).
• 📥 Install GApps (Google Services) with the correct version – their absence can break the playback.
• 🛠️ Check the integrity of the firmware through MI Flash Tool.

⚠️ Note: Do not install custom firmware (such as LineageOS) on Redmi 9A, If you are not sure about their compatibility with MediaTek Helio G25. This can result in the camera and video playback completely inoperable.

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After updating MIUI Always check the camera and gallery, and if the video isn't playing, clean the app cache first, rather than doing a full reset.

Hardware malfunctions and diagnostics

If none of the software methods worked, the problem could be the hardware. 9A most often:

• 📷 Camera module – if the video is not shot at all or is obtained with a lot of noise.
• 💾 Flash memory – if files are damaged when writing.
• 🔌 Power Controller – if the phone is switched off while shooting.

How to check:

1. Shoot the test video in Safe Mode (click the power button) → Reboot in Safe Mode. If the video is played, it's third-party software that's to blame.
2. Connect another device (like a flash drive) and try recording a video on it, and if the file is corrupted, the memory controller is a problem.
3. Look at the error logs through AIDA64 (Search for lines with camera or media.

Typical symptoms of hardware problems:

If you suspect a hardware malfunction but the phone is warranty, don't disassemble it yourself. Contact Xiaomi's service center with a check. In 2023, Redmi 9A still being repaired under warranty provided there was no mechanical damage.

7. Alternative ways to recover video

If the video is not playing, but it is important, try the following recovery methods:

Method 1: Retrieval of personnel through FFmpeg

Even if the video is not played, you can extract individual frames:

ffmpeg -i broken_video.mp4 -vf fps=1 frame_%04d.png

This command will save each frame of video as a separate image in a format. PNG.

Method 2: Recovery with Hex Editor

If the video stops at a certain point, try cutting it by hand:

1. Open the file in HxD Hex Editor.
2. Find the sequence of bytes 66 74 79 70 33 67 70 (this is the header). MP4).
3. Delete everything after the last correct frame and save the file.

Method 3: Online Services

Use specialized tools:

• 🌐 Online Video Repair – Restore File Headers.
• 🌐 Video Repair Tool – Works with MOV and MP4.

⚠️ Warning: Don't upload sensitive videos to online services. Use offline tools like sensitive data. MP4 repair VLC.

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If the video is filmed in format 3GP or MKV, convert it into MP4 HandBrake will increase the chances of successful playback.

FAQ: Frequent questions about playing videos on Redmi 9A