How to clean up completely SD-Map on the phone Xiaomi: safe ways

SD-The card in Xiaomi smartphones is not just additional storage, but often the only way to expand the memory of budget Redmi models. POCO. Over time, it gets clogged with unnecessary files: app cache, duplicate photos, remnants of deleted programs. But you can't just delete all the contents, you risk losing important data or damaging the structure of the drive. In this article, we'll look at 5 proven cleanup methods, including hidden functions. MIUI, which work even on older versions of the firmware.

Feature of Xiaomi phones – integration SD-If you've ever set it up as internal memory, standard formatting via PC won't work, you'll have to use special tools or put the card back in portable storage mode. We will show you how to do this without losing warranty and with minimal risk to data.

Important: Before any manipulation, check if the card is used as internal memory in the Memory → Additional settings. If so, transfer important files to another medium, as after cleaning they will be lost.

1. Standard cleaning through the "Files" (without formatting)

The easiest method is to manually delete unnecessary files through the built-in MIUI file manager.This is suitable if the card is used as a portable storage (not as internal memory) and you want to save some data.

Open the Files app (yellow folder icon) and go to the tab SD-Here you'll see the folder structure:

• 📁 DCIM — Photos and video from the camera (you can clean up take and failed shots)
• 📁 Download – downloads from the browser (often unnecessary ones accumulate here) APK)
• 📁 Android/data — App cache (only delete if you know exactly what folder it is!)
• 📁 MIUI — System files (not recommended to touch)

For convenience, use the built-in size sorting: click on the three dots in the top right corner → Sort → by size. So you quickly find the heaviest files. Don't delete the Android/obb folder - this is where game data is stored, and it can take hours to recover them.

⚠️ Note: If after deleting files, the place on the map is not free, check it for hidden files. MIUI To do this, you need to enable the display of hidden elements in the file manager settings (three dots). → Settings → Show hidden files).

Outdated. APK-files from the Download folder

Duplicates of photos and videos (use the Gallery app → Albums → Duplicates)

App cache (Android/data folder, but only for remote programs)

Unused downloads (music, documents over 6 months old)

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2. Formatting through phone settings (full cleaning)

If the card is used as a removable drive (not as internal memory), it can be formatted directly in the phone, which will delete all the data without recovery, but will return the card to its original speed.

Instructions:

1. Go to Settings. → Memory. → SD-map.
2. Click on the three dots in the top right corner and select Storage Settings.
3. Tap to format. → Format as internal memory (if you want to use the card as a memory extension) or format as a portable device (if you want compatibility with other devices).
4. Confirm the action. It'll take 1-3 minutes.

On Xiaomi models with MIUI 12+ (For example, the Redmi Note 10 Pro, POCO X3 Pro) after formatting, the system will suggest transferring data from the internal memory to the SD-Don't agree unless you're sure it can take hours and it doesn't always go smoothly.

⚠️ Note: On Xiaomi phones with MIUI 13/14 If you format the card as internal memory, you can't retrieve it without resetting your phone to factory settings. If you plan to use the card in other devices, select portable mode".

As a portable device (for file transfer)

As internal memory (expansion of storage)

I never format, only delete files manually.

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3. Cleaning via PC (for power users)

If the phone can't see the card or it's formatting errors, plug it into the computer through a card reader, which is a method that gives you more control, but you need to be careful.

Connect. SD-Map to PC and follow the following steps:

1. Open this computer (Windows) or Disk utility (macOS).
2. Find yours. SD-Card (usually referred to as Removable Disc) D:\, E:\ or similar).
3. Right-click. → Format.
4. Select the file system: FAT32 – for cards up to 32 GB (compatible with all devices) exFAT – for cards up to 64 GB (supports files >4 GB) NTFS – only if the card is used only from a PC (Xiaomi phones do not support NTFS without root)

Start.

For deep cleaning (if the card is slow), use the SD Formatter utility from the SD Association. It restores the original map structure, which is especially useful for SanDisk and Samsung EVO models.

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If the PC can't see SD-If you want to use a card, try a different card reader, or check the card on another device, sometimes the problem is oxidized contacts, you need to wipe them with a smooth wipe.

4.Reset card as internal storage (for MIUI)

If you've ever set up SD-The card as internal memory (Adoptable Storage function), standard formatting will not work. MIUI Encrypts such cards, and they can only be cleaned through a special menu.

Instructions for Xiaomi on MIUI 11-14:

1. Go to Settings. → Memory. → SD-map.
2. Slip on three points → Storage settings → Format as portable.
3. Confirm action. The phone will alert you that all data will be deleted.
4. After formatting, remove the card and paste back – now it will appear as a removable drive.

Xiaomi phones with MIUI 14 have a hidden file compression feature: go to Settings → Special features → Storage compression. It archives rarely used data, freeing up to 30% of space.

6.Diagnostics and repair of damaged SD-map

If the card is slow, the phone can’t see it, or if it makes a mistake while recording, try these steps:

1. Error Check: On PC: Open Command Prompt (Win + R → cmd) and type: chkdsk D: /f /r (replace D: with the letter of your card). On your phone: use the SD Card Tester app from the Play Market.

Speed test

A1 SD Bench

Play Market

Class 10

Authentication

H2testw

If the card is not restored:

• 🛑 Stop using it – further attempts to record data can damage the data irrevocably.
• 🔧 Try flashing the controller (only for power users!). This requires utilities like Flash Drive Information Extractor and firmware for a specific controller model.
• ♻️ If you have a warranty card, contact Xiaomi Service Center (if you have a problem using your phone).

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If SD-The card is no longer detectable after the phone falls or moisture gets in, so don't try to heat it up or disassemble it, and 90 percent of the time, it causes permanent data loss.

FAQ: Frequent questions about cleaning SD-maps on Xiaomi