Xiaomi Redmi 9T โ One of the most popular budget smartphones with rich multimedia capabilities, but not all users know how to record the screen correctly without loss of quality or sound. MIUI We will focus on the nuances that the manufacturer does not advertise: for example, how to record internal sound without root rights or why video can โbrakeโ at high resolution.
It is important to understand that the screen recording capabilities on Redmi 9T It depends on the firmware version. MIUI 12 is based on Android 10, but many users have already upgraded to MIUI 14 (Android 12) We tested all the methods on the latest versions of the software and identified those that work steadily. If your phone is still on the old firmware, at the end of this article there is a guide on how to upgrade without losing data.
We'll also look at alternative solutions for specific tasks, like streaming games, recording video with headphones, or creating screencasts from a webcam, and for each case, we'll choose the best tool and give you recommendations on settings.
1. Standard screen recording through MIUI: Where to look and how to set up
The easiest way is to use the built-in screen recording function that is in the MIUI Starting with version 11. 9T It's available out of the box, but many users can't find it because it's not obvious:
- Open the notification bar (swipe down from the top edge of the screen).
- Find the Screen Record button (an icon with a circle and a dot inside), if it's not there, tap the pencil icon (Edit) and add it to the active buttons.
- Click on the recording button and confirm the beginning (a countdown timer of 3 seconds will appear).
By default, the video is saved to the folder. DCIM โ ScreenRecordings in format MP4 permittingly 720p bitrate ~8 Mbps to change the parameters:
- After pressing the recording button, tap the gear ("Settings").
- Select permission: 480p, 720p or 1080p (on the Redmi 9T maximum โ 1080p, but it can fall FPS).
- Activate the โRecord Soundโ option (microphone or system sounds โ see the next section).
- Turn on "Show touches" (useful for tutorials).
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If the screen recording button is missing after the update MIUI, Reset the notification panel settings: go to Settings โ Notification panel โ Additionally. โ Reset the settings.
Limitations of the standard instrument:
- โ No internal sound recording (only from microphone or without sound).
- โ Maximum 1080p@30fps โ upon 60fps The video will be intermittent.
- โ No pause โ to stop recording, you need to click โStopยป.
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Standard entry MIUI Suitable for fast screencasts, but not for professional tasks (streaming, editing).
2. How to record internal sound (system audio) without root
One of the biggest problems with recording the screen on Redmi 9T โ Inability to capture sound from games or applications through standard means. MIUI Blocks this function out of the box, but there are workarounds:
Method 1: Screen Recorder App โ No Root
It's one of the few apps that can record internal audio to Xiaomi without the rights of a superuser.
- Download the app from Google Play.
- When you first start, allow access to Overlay Over Other Windows and Sound Records.
- Select the sound source: Internal Audio (No Root).
- Start recording โ the sound from the games and video will be recorded.
Cons:
- โ ๏ธ It doesn't work on all versions. MIUI (on MIUI 14 may require additional manipulation).
- โ ๏ธ Video and sound can be desynchronized during long recordings.
Method 2: Use of the ADB-Teams (for advanced teams)
If you are willing to spend 10 minutes setting up, this method gives you a stable result:
- Get Redmi on board. 9T to the PC and activate the debugging USB (Settings โ The phone. โ Version. MIUI โ Tap 7 times, then return to the Additional Settings โ For developers).
- Download. ADB Tools and execute command: adb shell settings put global capture_internal_audio 1
- Reboot your phone and try recording the screen with a standard instrument โ the sound should be captured.
โ ๏ธ Attention: After update MIUI The setting is reset, and some apps (e.g. Netflix) block the recording of the sound on the policy. DRM.
Why? MIUI block out recording of internal sound?
3.The Best Third-Party Screen Recording Apps
If the built-in tools are not enough, consider the top-3 And all of them are tested on Redmi. 9T and compatible with MIUI 12โ14:
| Annex | Inner sound | Max, permission. | Features | Cons |
|---|---|---|---|---|
| AZ Screen Recorder | โ (just from the microphone) | 1080p@60fps | No watermarks, video editor, streaming | Advertising in the free version |
| DU Recorder | โ (through ADB) | 1080p@30fps | Webcam recording, editing | It takes a lot of permission. |
| Mobizen | โ | 1080p@60fps | Convenient interface, cloud storage | 10 minutes in the free version |
Selection recommendations:
- ๐ฎ For games: AZ Screen Recorder (60fps + low-consumption).
- ๐ค For streams: DU Recorder (supports broadcasting on the YouTube/Twitch).
- ๐ฑ For tutorials: Mobizen (convenient editor with added text).
4. Quality optimization: resolution, bitrate, FPS
On the Redmi. 9T Snapdragon-powered 662 and 4 GB RAM recording 1080p@60fps It can lead to lags. Optimal settings depending on the task:
| The challenge | Permission | FPS | Bitreit | Codec |
|---|---|---|---|---|
| Social media (TikTok, Instagram) | 720p | 30 | 8 Mbps | H.264 |
| Games (PUBG, Genshin Impact) | 1080p | 30 | 12 Mbps | H.265 (HEVC) |
| Reviews of annexes | 1080p | 60 | 15 Mbps | H.264 |
How to change these parameters in AZ Screen Recorder:
- Open the app. โ ยซSettingsยป โ ยซVideo qualityยป.
- Select Permission, Bitrate and FPS.
- Activate. HEVC (H.265) Save space (but note that not all players support it).
โ ๏ธ Attention: When recording in 1080p@60fps bitrate 15 Mbit/s Redmi 9T It can overheat. If the temperature is higher than that. 45ยฐC, lower the resolution to 720p or use a cooling stand.
On the Redmi. 9T s MIUI 14 recording 1080p@60fps And this is a firmware bug, the solution: use this. AZ Screen Recorder with settings H.264 bitrate 10 Mbit/s.
5. recording of the screen from the webcam (picture-in-picture)
If you need to record a screen with simultaneous broadcast of your face (for example, for streams or training videos), use applications that support PiP mode (Picture-in-Picture). 9T It works through:
Annex DU Recorder:
- Launch the app and tap on the camera icon in the toolbar.
- Place the webcam window in a convenient place (you can change the size and transparency).
- Set up the sound source: microphone + System audio (if configured through the ADB).
Annex XRecorder:
Alternatives with more flexible camera settings:
- ๐น You can choose the front or main camera.
- ๐น Adjust the size and position of the PiP window.
- ๐น Camera filters (background blur, color correction).
Clean the front camera of dust|Close the background applications to save resources|Check the lighting (avoid backlighting from the back)|Turn off notifications so they donโt get into the record.|Set up the microphone to suppress noise-->
6 Problem Solving: Lags, no sound, black screen
Even with the right settings on Redmi 9T We can make mistakes. We can look at the most common ones and how to fix them:
Problem 1: Video is recorded with lags or low FPS
Causes and solutions:
- ๐ Lack of resources: Close background applications (especially games or instant messengers). MIUI (Settings โ Annexes โ Optimization).
- ๐ฅ Overheating: Remove the case, reduce the brightness of the screen and the recording resolution to 720p.
- ๐ ๏ธ Firmware bug: Update MIUI Up to the latest version or roll back to stable (see section 8).
Problem 2: No sound in the recording
Checklist for diagnosis:
- Check if the โRecord Soundโ option is enabled in the recording settings.
- If you use a third-party application, give it permission to access the microphone (Settings) โ Annexes โ Permits).
- For internal sound: perform ADB-Command (Section 2) or use Screen Recorder โ No Root.
- If the sound is recorded but quiet, increase the volume of the media through the volume control.
Problem 3: Black screen when recording
This error arises from:
- ๐ Protections DRM: Some applications (Netflix, banking) block screen recording. No solution - use another capture method (for example, mirroring on a PC).
- ๐ค Restrictions MIUI: On some firmware versions, a black screen appears when Secure Flag is recorded (e.g., in anti-cheat games). Try writing it via Scrcpy (see section 7).
How to get around the lock of recording in games?
7. Screen recording via PC: Scrcpy and Vysor
If you want maximum quality or standard methods donโt work, plug in Redmi. 9T You can go to your computer and use software to mirror your screen:
- ๐ฅ๏ธ There are no restrictions on permission (you can write in the 4K, if the PC allows).
- ๐๏ธ Capture system sound without ADB.
- ๐ฎ Low lags (suitable for streaming games).
Method 1: Scrcpy (free, no root)
Instructions for Windows:
- Download Scrcpy and unpack the archive.
- Enable USB debugging on your phone (see section 2).
- Get Redmi on board. 9T To PC and run scrcpy.exe.
- To record, press Win. + Alt + R (video will be saved on PC).
Additional commands:
scrcpy --bit-rate 20M # Increase bitrate to 20 Mbps
scrcpy --max-fps 60 # Assign 60 FPS
scrcpy --record file.mp4 # Save video to fileMethod 2: Vysor (Easy for beginners)
If Scrcpy seems complicated, try Vysor:
- Download Vysor and install it on PC.
- Put the phone on. USB, Turn on debugging and follow the program instructions.
- Click "Record" in the Vysor interface - the video will be saved to the computer.
โ ๏ธ Note: When using Scrcpy or Vysor Redmi 9T It should not go to sleep. Turn off the automatic screen: Settings โ Screen. โ Sleeping mode. โ Never.
8.Update MIUI record-correction
If you're on your Redmi. 9T Screen recording is unstable (artifacts, departures, no sound), the problem may be outdated firmware:
Step 1: Check the current version of MIUI
Go to Settings. โ The phone. โ Version. MIUI. Up-to-date versions for Redmi 9T (codename):
- ๐ฑ MIUI 14 (Android 12) - the last stable.
- ๐ฑ MIUI 13 (Android 11) โ if you donโt want to upgrade.
Step 2: Update through OTA
- Open Settings โ About the phone โ System update.
- If you have an update, download and install it. ~1.5 GB of free space).
- After the update, reset the screen recording settings: remove the button from the notification panel and add it again.
Step 3: Manual Update with Recovery
If OTA Does not offer a new version:
- Download the firmware for Redmi 9T From the official website of Xiaomi (select the region Global or Russia).
- Rename the file to update.zip and place it in the root of the phoneโs memory.
- Press Volume Up + Power to enter Recovery.
- Select Install update.zip and confirm the installation.
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After updating MIUI Reset the application cache (Settings) โ Annexes โ Application management โ Clear the cache) to avoid lags when recording.