Where on Xiaomi Redmi 9 with NFS are stored records of phone conversations: full analysis

The feature of recording phone conversations on Xiaomi Redmi 9 smartphones with NFS file system often raises questions among users, the fact that standard storage paths in MIUI can differ from usual locations, especially if the device uses network storage or modified firmware. Many people face the problem: the record is saved, but where to look for it? In this article, we will analyze all possible storage locations of records, including hidden folders, system partitions and nuances of working with NFS.

It's important to understand that Redmi 9 can use different recording mechanisms depending on the MIUI version, regional settings, and even installed applications. For example, if you use a third-party voice recorder or Google's Call Recorder module, the ways of saving will be different. We will analyze all scenarios from the standard Call Recorder app to manual search through ADB.

We will also discuss the issue of file access on NFS. This file system, often used in corporate or modified firmware, can restrict user rights, learn how to circumvent restrictions without root rights and why records sometimes “disappear” after a device is rebooted.

Standard Ways to Keep Call Records on Redmi 9

By default, the MIUI Call Recorder app saves files to specific folders of internal memory, but on NFS devices, these paths can be redirected or duplicated. Here are the main locations where you should look for records:

• 📁 Internal memory: /storage/emulated/0/MIUI/sound_recorder/call_rec/ — standard-place MIUI 12+. Here files are sorted by dates and subscriber numbers.
• 🔄 NFS-mounting: If your device is connected to a network storage, the records can be automatically copied to /mnt/nfs/miui_call_records/. This folder is only visible through Root Explorer or ADB.
• ☁️ Xiaomi Cloud: When activated synchronization, records are duplicated in Mi Cloud (Call Records section.
• 🔧 Third-party applications: Programs like Cube Call Recorder or ACR They save files in their folders, for example: /storage/emulated/0/Android/media/{package_name}/CallRecords/.

On Redmi 9 with NFS, it is common to see records physically stored on a network drive but displayed in the gallery as local files. This is due to the peculiarities of mounting NFS in MIUI. To see the real path, use the command in ADB:

adb shell ls -la /storage/emulated/0/MIUI/sound_recorder/

Important: If you connect the device to NFS-server (for example, for backup), check the mounting settings in the /etc/fstab. Sometimes records are saved directly to the network folder, but not displayed in a standard conductor.

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If the record is not found in standard folders, try searching the file extension. Call records in MIUI are usually.m4a or.amr. Use the filter in the Explorer by file type.

How to find records through the built-in MIUI conductor

Even if you don't know the exact path, you can find the records through Xiaomi's standard Explorer.

1. Open the Explorer app (the folder icon on the desktop).
2. Go to the Category section → Audio.
3. In the upper right corner, press three dots (⋮) and select Show hidden files.
4. In the search bar, enter call_rec or sound_recorder.
5. If nothing is found, check the Device section. → MIUI → sound_recorder.

On devices with NFS, the Explorer may display an additional Network Storage or NFS partition. If you have one, check it first. Sometimes the records are duplicated there automatically.

Problem: On some firmware MIUI folder sound_recorder It's hidden even when you turn on the "Show Hidden Files" option, and the solution is to use a third-party explorer, like Solid Explorer or something like that. FX File Explorer with Root Mode enabled (if superuser rights are available).

Enable the display of hidden files

Check the folder. MIUI/sound_recorder

Search by keyword (call_rec, recorder)

View network drives (if you have NFS)

Use search for extension (.m4a,.amr)-->

Why records may not be available in standard folders

There are several reasons why call records don’t show up in expected locations on Redmi 9 with NFS:

• 🔄 Redirection to NFS: If the device is set to automatically mount the network drive, the records can be saved there by default. → Memory. → Network storage.
• 📱 Limitations MIUI: In some regional firmware versions (e.g. India or the EU), call recording is disabled at the system level. MIUI.
• 🔒 Access rights: On NFS You can set read/write limits for certain users, which causes files to be saved but not displayed in the interface.
• 🗑️ Autoclean: Call Recorder settings may enable the option to automatically delete old files (e.g., older than 30 days).

Critical feature of Redmi 9 s NFS: If the network connection is interrupted during recording, the file can be saved in a temporary folder. /data/local/tmp/call_rec/, But don't transfer to the main storage, and those files are deleted after you restart.

To check if records are saved at all, make a test call and immediately follow up with the command:

adb shell find / -name ".m4a" -o -name ".amr" 2>/dev/null

This command will find all audio files on the device, including hidden and system files.

PC Recording: Connecting Redmi 9 to MTP and ADB

If the records are not found on the phone, connect Redmi 9 to your computer and check the storage via MTP or ADB.

Method 1: Media Transfer Protocol (MTP)

1. Connect your phone to your PC through USB-cable (use the original cable for a stable connection).
2. On your phone, select File Transfer (MTP) mode in the connection notification.
3. On PC, open This Computer → Find the Redmi 9 device.
4. Go to Internal Shared Storage folder → MIUI → sound_recorder.

Method 2: ADB (for advanced users)

1. Install ADB on PC (download from the official website).
2. Turn on USB Debugging on your phone: Settings → About Phone → MIUI Version (click 7 times) → Return to Settings → Additional → For Developers → Debugging over USB.
3. Connect your phone to your PC and execute the command: adb pull /storage/emulated/0/MIUI/sound_recorder/ C:\CallRecords\ It'll copy all the records to a folder. C:\CallRecords\ on your computer.

If you are connected through MTP folder sound_recorder It's empty, but you're sure there were recordings, check the network drives. NFS They can be mounted as separate volumes. On Windows, they can be seen through Disk Management (diskmgmt.msc).

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If the recordings are not found by any of the methods, check to see if the operator-level recording function is disabled.

Features of working with NFS on Xiaomi Redmi 9

The NFS (Network File System) file system on Redmi 9 can be implemented in many ways, whether as part of a modified firmware, corporate policy, or manual configuration.

• 🔗 Mounting: NFS connects to the device as a network disk, but MIUI It can be displayed as local storage, and it creates confusion when you search for files.
• 🔒 Access rights: By default NFS For example, call records can only be accessed by com.android.server.telecom.
• 🔄 Synchronization: If NFS used for backup, records can be automatically copied to the server, but deleted from the device.
• ⚡ Performance: Recording directly on NFS-The disk can cause delays if the connection is unstable, and this causes the recording to break.

To check if your Redmi 9 NFS is being used, do the following in ADB:

adb shell mount | grep nfs

If the team returns a line like 192.168.1.1:/miui_data /mnt/nfs nfs rw, relatime, so... NFS active.

How to access the NFS-rootless:

1. Install it on a PC. NFS-client, NFS Client for Windows).
2. Find out. IP-Address of Redmi 9 in Wi-Fi settings.
3. In Windows Explorer enter \\IP_Phone Address and Try Connecting.
4. If authentication is required, use the username/password from your Mi-account.

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If you often work with NFS on Xiaomi, consider installing the NFS Manager app from Google Play.It lets you control mounting directly from your phone.

Solving problems with lack of records

If call records are not saved or are missing, use this troubleshooting instruction:

⚠️ Attention: On some firmware MIUI For Redmi 9, call recording is disabled due to legal restrictions (e.g. EU). → Additionally. → Region.

• 🔍 Check the recording settings: Open the phone → ⋮ → Settings → Call recording. Make sure Automatic Recording is enabled. Check if you can check the box to delete records older than 30 days.

Update the firmware:

MIUI

NFS

Settings → Updating the system

Phone.

1. Go to Settings → Applications → Application Management.
2. Find the phone, click Warehouse → Clear the data.
3. Warning: This will remove all settings and call histories!
4. 🛠️ Check the integrity of the file system: NFS It's damaged, it may not be saved. ADB: adb shell fsck /dev/block/... (yours NFS-section)

If the problem is not resolved, try using a third-party call recording app like ACR or Cube Call Recorder.They save files to their folders and often bypass MIUI restrictions.

Alternative ways to record and save calls

If standard methods don’t work, consider alternatives:

• 🎤 Google Drive + Record: Set up automatic upload of records to Google Drive via the Automate or Tasker app.
• ☁️ Cloud services: Applications like OTT (One Touch Recording can save records directly to Dropbox or Yandex Drive.
• 📱 Second Device: Use another phone or voice recorder to record a conversation over speakerphone (legality depends on jurisdiction!).
• 🔧 Modified firmware: Install custom firmware (such as LineageOS) where call recording works without restrictions.

⚠️ Note: In some countries (e.g. the United States or Germany), recording telephone conversations without the consent of the interlocutor is prohibited by law.

FAQ: Frequent questions about Redmi 9 call recording