How to format a memory card on Xiaomi Redmi 8 Pro: full instructions with nuances

The memory card in Xiaomi Redmi 8 Pro is not just an additional storage for photos and music, but a full-fledged tool to expand the capabilities of the smartphone. However, over time, any microSD starts to run slower, emit errors or simply require cleaning before using in a new device. Formatting solves these problems, but you need to do it correctly so that you do not lose important data and do not damage the card itself.

In this article, you will find a step-by-step guide to formatting a memory card directly through the Redmi 8 Pro menu, as well as alternative ways using a PC or third-party applications. We will discuss which file system to choose (FAT32, exFAT or NTFS), how to avoid typical errors (for example, "Map damaged" or "failed to format"), and what to do if the smartphone does not see a microSD after the procedure.

Preparing for Formatting: What to Do in Advance

Before you press the Format button, follow a few critical steps: Ignoring the preparation can lead to data loss or even card failure.

First, copy all the important files to another medium. Formatting completely clears the card, and recovering the data after it will be extremely difficult (and sometimes impossible). USB-Cable or use a card reader to read microSD directly. Please note that some files (such as hidden application folders) may not be displayed in standard Windows Explorer – you will need to enable the display of hidden elements in the folder settings to copy them.

Second, check the status of the memory card. If it is physically damaged (has cracks, chipped or traces of contact oxidation), formatting will not help, it needs to be replaced. It is also worth assessing the speed of work: if the card slows down when reading / writing, it may be worn out and formatting will only temporarily improve the situation.

• 📁 Backup on a cloud service (Google Drive, Mi Cloud) or physical media.
• 🔍 Check the card for errors through the PC (in the properties of the disk in the tab "Service").
• 🔋 Charge your phone at least 50% – interruption of the process due to battery discharge can damage the file system.
• 🛠️ Prepare an alternative formatting method (such as a PC adapter) if your smartphone refuses to perform the operation.

⚠️ Note: If the memory card was used as internal storage (Adoptable Storage in Android), formatting it through the phone settings will result in a reset of all the application data installed on it.

Method 1: Formatting with Xiaomi Redmi 8 Pro settings

The easiest method is to use the built-in MIUI tools, which are suitable for most users and do not require additional devices or programs.

Open the Settings app (the gear icon on the home screen) and go to the Warehouse section, where you will see information about internal memory and connected card. Tap the name of your microSD (for example, "SanDisk 128GB"), then select Format in the three-dot menu in the upper right corner. The system will request confirmation - press Remove and format (or a similar button in your version of MIUI).

It takes 30 seconds to a few minutes depending on the size of the card, and when you're done, you'll see a successful formatting notification, and the important thing is, if you don't find the card after that, try re-inserting it and re-inserting it into the slot, and sometimes you need to restart the phone.

Close all apps that use the map (music players, galleries)

Turn off the Default Storage feature for the map in the camera settings

Make sure there are no active downloads or updates on the map

Check that the phone is not connected to the PC. USB (It can block access)-->

Method 2: Formatting on a computer (Windows/macOS/Linux)

If Redmi 8 Pro refuses to format a map (e.g., it gives a "Team Not Fulfilled" error), try doing so via a PC, which is also useful if you want to choose a specific file system that your smartphone doesn't offer.

For Windows:

1. Insert the card into the card reader and connect to the computer.
2. Open This Computer (or My Computer) and find a removable disk (usually D:, E: or another letter).
3. Click on the disk with the right button and select Format.
4. In the settings window, select: File system: FAT32 (for cards up to 32 GB) or exFAT (for cards up to 64 GB or more). Cluster size: leave the default value. Volume tag: come up with a name (for example, XiaomiSD).

Start.

For macOS/Linux, use the Disk Utility or the mkfs command in the terminal, respectively. For exFAT on Linux, for example:

sudo mkfs.exfat -n "XiaomiSD" /dev/sdX1

Where /dev/sdX1 is the path to your map (check it out via lsblk).

⚠️ Note: Cards larger than 32 GB cannot be used FAT32 Windows standard means – the system will only offer exFAT or NTFS. For compulsory formatting in FAT32 You will need third-party utilities like fat32format or GUIFormat.

Selecting a file system: FAT32, exFAT or NTFS?

Not only does the file system affect the compatibility of the card with the devices, but also its performance, reliability and file size limitations. For the Xiaomi Redmi 8 Pro, three options are relevant:

Technically, FAT32 supports up to 2TB, but Windows limits partition creation to 32GB.

** 1 PB = 1024 TB, 1 EB = 1024 PB.

The best choice for Redmi 8 Pro is:

• 📸 Up to 32GB: FAT32 — if the card is used in different devices (camera, tape recorder).
• 🎮 64–128 GB: exFAT – if you want to store files larger than 4 GB (e.g. video in the video format) 4K).
• 🚫 NTFS: not recommended – the phone will not be able to write data to such a card without root rights.

FAT32

exFAT

NTFS

I don't know/didn't pay attention-->

What to do if the card is not formatted?

Sometimes the process ends in a mistake: "Windows failed to complete formatting" or "Map protected from writing" on the phone.

• 🔒 Write protection: Check the physical switch on the microSD adapter (if any.
• 🛠️ Damaged sectors: Use the utility CHKDSK in Windows: chkdsk D: /f /r where D: is the letter of your card.
• 🔄 Incorrect format: If the card has previously been formatted NTFS For Android, try to clean it first with DiskPart: Diskpart list disk select disk X (where X is your card number) clean create partition primary format fs.=fat32 quick
• 💀 Hardware failure: If the card is not detected on any device, it may have failed. Try connecting it through another card reader or testing it on another phone.

If standard methods do not help, use specialized utilities:

• SD Card Formatter (the official utility from the SD Association) - restores the factory settings of the card.
• HP USB Disk Storage Format Tool supports forced formatting.
• EaseUS Partition Master – to work with damaged partitions.

Configure the memory card after formatting

Once formatted successfully, the card can be used as portable storage (for photos, music, documents) or as internal memory (for installing applications), in the second case, it will be encrypted and tied to the phone, and you will not be able to extract it without losing data.

To set up the card as an internal memory:

1. Go to Settings → Storage → [Map Name] → Three Points → Storage Settings.
2. Select Internal Memory (or Format as Internal Storage).
3. Confirm action. The phone will warn you that the card will be encrypted and will not work on other devices.
4. Wait until the process is complete (it can take up to 10 minutes) and click Transfer Data if you want to move some applications to the map.

Note that after this operation, the card will not be read on a PC without special utilities (for example, Linux Reader), and it will not be used on other phones without prior formatting.

⚠️ Note: If you plan to sell or transfer the Redmi 8 Pro to another user, be sure to format the card as a portable storage before being retrieved.

💡

If the card is used to record 4K video, format it in exFAT and turn off the Quick Format feature, which will reduce the risk of frame loss during long-term shooting.

Optimization of memory card on Xiaomi Redmi 8 Pro

To make the card last longer and work faster, follow these tips:

• 🔄 Clean the cache regularly: Apps (especially messengers and social networks) fill the card with temporary files. → Warehouse → Cleanup.
• 📥 Avoid fragmentation: Do not store thousands of small files on a map (such as downloaded pages from a browser.
• 🔋 Securely Remove the Card: Before physically retrieving, tap on the "Safe Retrieval" notification or disable the card in the storage settings.
• 🛡️ Encrypt Sensitive Data: In Settings → Security → Encryption and credits can be encrypted files on the card (for internal storage only).

You should also turn off auto-saving media from messengers to a map. For example, WhatsApp does this in Settings → Data and Storage → Auto-download media. This will save space and reduce the memory load.

💡

Class A1 or A2 cards (like SanDisk Extreme A2) are optimized for Android apps, and they work faster with small files, which is critical for Redmi 8 Pro when using the card as internal memory.

FAQ: Frequent questions about memory card formatting