How to clean properly USB-Xiaomi device drive: from formatting to file recovery

USB-drives on Xiaomi devices – whether it’s a smartphone, TV Mi TV Or routers, which often become storage for media, backups, and firmware, but over time, flash drives become clogged with unnecessary files, temporary data, or even viruses, leading to read errors, slow operation, or complete inaccessibility of the drive. In this article, we will discuss all methods of cleaning. USB: From basic formatting through the device menu to deep cleaning with PC and specialized utilities.

The peculiarity of Xiaomi devices is that they often work with the file system. FAT32 The default that limits the size of one file to 4 GB: This creates problems when you're writing large video files or firmware, and we're going to show you how to switch to the next one. exFAT/NTFS without loss of compatibility, and what to do if the flash drive ceased to be determined after an unsuccessful formatting through Mi File Manager.

1.Preparation for cleaning: what to do before formatting

Before you start cleaning, be sure to follow 3 steps:

• 🔍 Check the contents of the flash drive — connect it to a PC or through the Mi File Manager on your smartphone. Make sure that it does not have important files (photos, documents, backups), especially the drives that were used to firmware Xiaomi devices — there can be log files or backups.
• 📋 Write down the volume label and file system, which will be useful if the flash drive is no longer recognized after formatting. You can see the tag in the properties of the drive on your PC or in the storage settings on Mi. TV.
• 🔋 Check your physical condition if you USB-ports on Xiaomi device are damaged (for example, on Redmi Note 12 or Mi Box S), formatting may be interrupted.

If you are cleaning the drive for further use on Xiaomi TV, Note: Some models (e.g., Mi) TV 4S or Mi TV Q1) supportive NTFS — only FAT32 Or exFAT. To run TVs through the USB usually required FAT32, Otherwise, the system will not see the update file.

⚠️ Note: If the flash drive was used to write firmware through the Mi Flash Tool, do not format it in the file format. NTFS — This can cause an error called “Invalid update package” when trying to update your device.

2. Cleaning methods USB via the Xiaomi device menu

The easiest method is to format directly through the Xiaomi interface, and let’s look at the options for different types of devices:

Cleaning on smartphones (MIUI)

On Xiaomi, Redmi or POCO phones with MIUI shell:

1. Connect the flash drive through OTG-Adapter (if it is a Type-C model, for example, Xiaomi 13 or X-rays) POCO F5).
2. Open the File Manager (Mi File Manager) application.
3. Go to section. USB-drive (usually displayed as a removable disk).
4. Click on three dots in the upper right corner → Storage settings → Format.
5. Select the file system (FAT32 or exFAT) and confirm the action.

On some firmware (e.g, MIUI 14) the formatting option may be hidden:

• 🔧 Go to Settings. → Warehouse → USB-accumulator.
• 📛 Click on the flash drive icon. → Format as internal memory (not recommended – this binds the drive to the phone).

2.2. Cleanup on Xiaomi TV

On Mi TVs. TV or Redmi TV:

1. Connect the flash drive to USB-port (usually located on the side or back).
2. Open Settings → Devices and accessories → USB- drive.
3. Select your drive and click Format.
4. Confirm the action. The TV will only offer FAT32 — Other file systems are not available.

If the flash drive is not displayed, try:

• 🔄 Reboot the TV with a connected drive.
• 🔌 Use the other USB-Port (on some models, for example, Mi) TV Q2, Only one port supports external storage).

Save important data from the flash drive|Check the compatibility of the file system|Connect the drive directly (without hubs)|Charge the device to at least 50%|Turn off debugging mode (if enabled)-->

3. Formatting via PC: When Standard Methods Fail

If Xiaomi device does not see the flash drive or gives an error (for example, "USB-The drive is damaged. "" And it's better to clean it through a computer.

3.1. Standard formatting in Windows

Connect the flash drive to the PC and do:

1. Open this computer (My computer in older versions).
2. Right-click on the right-click. USB-accumulator → Format.
3. Select the file system: FAT32 — Compatibility with all Xiaomi devices (maximum file size 4 GB) exFAT – if you need file support >4GB (suitable for Mi) TV new smartphones). NTFS — PC only (not recommended for Xiaomi devices).

Start.

If Windows says “Windows failed to complete formatting”, use DiskPart:

diskpart


list disk




select disk X (where X is your flash drive number)




clean




create partition primary




format fs=fat32 quick




assign




exit

Formatting on macOS

On a Mac:

1. Open the Disk utility (via Spotlight or Programs) → Utilities).
2. Select the flash drive in the left menu.
3. Press erase. → specify the format MS-DOS (FAT) (analogue FAT32) or exfat.
4. Confirm the action.

For NTFS Macs will require third-party software (such as Paragon) NTFS), But for Xiaomi devices, this is irrelevant.

⚠️ Note: If the flash drive is defined as "Read only", check the physical switch on the case (if any) or use the command in Terminal (macOS/Linux): diskutil unmountDisk /dev/diskX, Then repeat the formatting.

4.Deep cleaning: low-level formatting

If standard methods do not help (for example, a flash drive is defined as "RAW" Or it has broken sectors, it requires low-level formatting, and it erases the data completely and restores the factory structure of the drive.

4.1 Use. HDD Low Level Format Tool

Download the utility. HDD Low Level Format Tool (Free version limited to speed):

1. Connect the flash drive to the PC.
2. Start the program, select your drive.
3. Click Continue → go to the LOW-LEVEL FORMAT tab.
4. Click Format This Device and wait until it is completed (may take a few hours).
5. After low-level formatting, perform the usual (through the FAT32/exFAT).

Recovery via Flashnul (for power users)

If low-level formatting didn't work, try Flashnul, a flash drive diagnostic and recovery utility. Careful: the wrong commands can finally kill the drive.

flashnul -p


flashnul X: -F (where X is the letter of your flash drive)

Then, re-format the flash drive into FAT32.

5. Data recovery after cleaning

If you formatted a flash drive by mistake, don't write new files to it, which will reduce your chances of recovery.

Instructions for Recuva:

1. Install the program and connect the flash drive.
2. Select the file type (such as Images or Documents).
3. Please indicate the location (yours) USB-accumulator).
4. Run the scan. Once you're done, mark the files you want and press Restore.

For Xiaomi devices, it is important: recovered firmware files (such as.zip for Mi Flash Tool) can be corrupted (MD5) via HashMyFiles utility.

💡

If you are recovering files for Xiaomi firmware, check their integrity first. A damaged update file can turn your Redmi Note 11 into a brick.

6. Frequent errors and their solutions

When cleaning USB And on Xiaomi devices, users are facing some of the most common problems:

Mistake "USB-storage device"

Causes and solutions:

• 🔹 A damaged file system → Format it through a PC in FAT32.
• 🔹 Viral contamination → Check the Dr.Web CureIt flash drive before formatting.
• 🔹 Incompatibility with the device → On Mi. TV In 2018, no flash drives are supported. >64GB.

6.2. The flash drive is defined but not formatted

Possible causes:

• 🛑 Protection against recording → Check the physical switch or use the command: diskpart attributes disk clear readonly
• 💽 Damaged sectors → Perform low-level formatting (section 4).
• 🔌 Lack of nutrition → Connect the flash drive through the externally powered hub.

6.3.After formatting, the flash drive is not visible on Xiaomi

This is most often due to:

• 📛 Wrong file system → Xiaomi devices are not visible NTFS and ext4. Reformatting into FAT32/exFAT.
• 🔧 Firmware conflict → Update. MIUI Android TV last-minute.
• 🔄 Failure in USB-port → Restart the device or check the port for debris.

💡

If the flash drive is not visible on Xiaomi TV After formatting, check it on your smartphone or PC first. If it works there, the problem is the TV's firmware - you need to update or reset your settings.

7. Optimization USB-storage device

After cleaning, the drive can be optimized for specific tasks:

Firmware setting

If the flash drive will be used to update Xiaomi devices:

• 📁 Format: mandatory FAT32 (for Mi TV, Mi Box, smartphones).
• 📄 File structure: For smartphones: the firmware file (.zip) should lie at the root. TV: file-file upgrade update.zip.
• 🔍 Verification: the firmware file name should not contain Cyrillic or spaces.

Multimedia settings

To store movies, music or photos on Xiaomi TV:

• 🎬 Format: exFAT (if files) >4 GB) or FAT32.
• 📂 Folder structure: USB-accumulator/ ├── Movies/ (film.mp4,.mkv) ├── Music/ (audio.mp3,.flac) └── Photos/ (Images in.jpg,.png)
• 📺 Codecs: Mi TV Does not support.mkv with DTS-sound - recode in AAC.

Configure for backup copies

For backups with Xiaomi-smartphones:

• 📱 Use Mi Mover or Google Photos to automatically back up.
• 🔐 Encryption: If sensitive data is stored on a flash drive, create an encrypted container via VeraCrypt.
• ⏳ Schedule: Set up weekly copying via Settings → Additionally. → Backup.

FAQ: Answers to Frequent Questions