Why Xiaomi Owners Face Memory Shortage and How a Memory Card Solves This Problem
Even Xiaomiβs most advanced models, from the budget Redmi Note 12 to the flagship Xiaomi 13 Ultra, are running out of internal memory sooner or later. RAW photos, 4K videos, messenger cache and app updates take up gigabytes, forcing users to look for ways to free up space. A microSD card becomes a logical solution, but not everyone knows how to use it correctly.
Unlike Samsung or Huawei, Xiaomi smartphones are based on the MIUI They have their own nuances of working with external drives, for example, not all applications can be transferred to the external drive. SD-The card, and some files (such as screenshots) are saved by default to internal memory. In this article, we will analyze all the current ways of moving data β from manual copying to automatic default settings, and also tell you how to avoid typical errors, because of which the memory card can suddenly cease to be determined.
Preparation of a memory card: formatting and choosing the right standard
Before transferring files, make sure your memory card is compatible with your Xiaomi.The brandβs smartphones support microSD up to 1TB (depending on the model), but there are important limitations:
- π Speed standard: for recording video 4K And fast application needs a class UHS-I U3 or A2. Class 10 cards are suitable only for photos and music.
- π File system: Xiaomi automatically formats cards in exFAT (for volumes) >32 GB) or FAT32 (If the card was formatted on PC in NTFS, The smartphone won't see her.
- β οΈ Fakes: cheap AliExpress cards often have understated real capacity. H2testw beforehand.
If the card is new or has been used in another device, you should format it directly in your smartphone.
- Insert the card into the slot (in models with a hybrid slot, for example, the Redmi Note 11, you will have to choose the second SIM or SD).
- Go to Settings β Memory β Memory Map.
- Click Format as internal (if you want to use for applications) or Format as portable (file only).
β οΈ Note: Formatting as internal memory irreversibly links the card to the smartphone, and once removed, it cannot be read on another device without completely erasing the data.
Method 1: Manually moving files through the βConductorβ
The easiest method is to manually transfer files using the standard File Application (or File Manager in global firmware), which is suitable for photos, videos, music and documents, but does not affect the cache of applications or system data.
Instructions:
- Open the Files app (the folder icon on the home screen).
- Go to the Internal Memory section and find the folder with the files you want (for example, DCIM for photos or Download for downloads).
- Press and hold the file (or folder), then select the remaining elements or tap Select All.
- Click Move (arrow icon) and select Memory Map β the desired folder (or create a new one).
To speed up the process, you can use the date selection mode:
- π In a file. DCIM/Camera Click on three dots in the upper right corner β Sort by date.
- π Select a range of dates (e.g. all photos from the last month) and move them at one time.
β οΈ Note: Do not move the Android folder manually, this can disrupt the application. Use method 3 to transfer application data.
βοΈ Preparation for manual file transfer
Method 2: Automatically save new files to a memory card
To avoid manually transferring files every time, you can configure Xiaomi to save new data immediately to the user. SD-It works for the map:
- πΈ Photo and video (Camera appendix)
- π΅ Music and podcasts (Mi Music, Google Podcasts)
- π Downloads from the browser (Chrome, Mi Browser)
Camera setting:
- Open the Camera app.
- Put it on the gear (βοΈ) β Camera settings β Preservation site.
- Select a Memory Card and confirm the choice.
For the Chrome browser:
- Open Chrome, tap three dots β Settings β Downloads.
- Select a Save Place β Memory Map β Specify a folder (e.g. Download).
| Type of file | Annex | The path to adjustment |
|---|---|---|
| Photo/video | Camera. | Settings β Place of preservation |
| Downloads from the Internet | Chrome/Mi Browser | Settings β Downloads β Place of Save |
| Screenshots | System menu | Settings β Additional β Screenshots β Save to the map |
| Screen recordings | Screen recording | Settings β Place of preservation |
Note: Some system applications (such as Notes or Sound Recording) do not support saving on the SD-In this case, only manual transfers will help.
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If you still save your photos to internal memory after you change your camera settings, reboot your smartphone. Sometimes media.storage resets your settings.
Method 3: Transfer applications to a memory card (with limitations)
Unlike Samsung or Huawei, MIUI It greatly limits the ability to transfer applications to SD-This is due to Google's security policy and file system features. F2FS, However, some applications can be ported if the card is formatted as internal memory.
Instructions:
- Go to Settings β Applications β Application Management.
- Select an app (such as Telegram or Spotify).
- Slip the vault. β Change. β Memory map.
- Confirm the transfer and wait until it is completed (may take a few minutes).
Important nuances:
- β Not portable: System applications (Mi Home, Themes), games with protection (Genshin Impact, PUBG), Encrypted messengers (WhatsApp, Signal).
- β οΈ After the transfer, the application may run slower (depending on the card class).
- π When you remove the map, the transferred applications will stop working.
β οΈ Warning: If the app is not installed after transferring, clear the cache in the settings and restart the smartphone. If this does not help, return the application to internal memory.
Why is Xiaomi blocking the portability of certain applications?
Method 4: Using a PC to transfer files
If you want to transfer a large number of files (such as a backup or music collection), it is more convenient to do this through a computer, which is also useful if the Xiaomi smartphone does not see the memory card or emits errors when copying.
Step-by-step instructions for Windows:
- Connect your smartphone to your PC through USB-cable (use the original cable for a stable connection).
- On your smartphone, select File Transfer (MTP) mode in the connection notification.
- Open This Computer on a PC β there will be two disks: internal memory and memory card.
- Copy files from an internal memory folder (e.g., Internal Storage\DCIM) to the corresponding folder on the card (e.g., SD Card\DCIM).
For macOS or Linux:
- π Install Android File Transfer (official software from Google).
- π§ In Linux, use gMTP or jmtpfs to mount memory.
Advantages of this method:
- β‘ Speed: Copying through USB 3.0 (in Xiaomi models) 12T 5-10 times faster than Wi-Fi.
- π Control: You can check the integrity of files after copying (compare folder sizes).
- π οΈ Recovery: If files on the card are corrupted, they are easier to recover via PC using Recuva or PhotoRec.
β οΈ Note: Do not remove the memory card while copying - this can lead to data loss. Always use the Safe Retrieval feature on Windows or sync on Linux.
Solving typical problems when working with a memory card
Even after formatting and transferring files correctly, Xiaomi users may encounter errors, and consider the most common and ways to fix them:
| Problem. | Possible cause | Decision |
|---|---|---|
| Map not determined | Incompatible format (NTFS, ext4) | Format in exFAT via smartphone |
| "Map damaged" error | Improper extraction or failure of the file system | Connect to the PC, run chkdsk /f [disk letter] in the CMD |
| Slow file recording | Class 4 card or fake | Replace the UHS-I U3 or A2 card |
| Applications not portable | The map is formatted as a portable | Reformat as internal (with loss of data) |
If the card is no longer defined after the MIUI update, try:
- Reboot your smartphone.
- Remove and re-insert the card (when the power is turned off).
- Reset the settings to Settings β Memory β Memory Map β Reset.
If nothing works, check the card on another device, it may have failed, in which case you can try to recover the data using TestDisk (for power users).
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Before buying a memory card for Xiaomi, check it for authenticity using the H2testw utility - this will save you from losing data due to defective drives.