A smartphone's memory is a problem that every second Xiaomi owner faces: high-resolution photos, 4K videos, app cache and downloaded documents quickly eat up precious gigabytes. The solution is simple: transfer some of the data to an external memory card. But how do you do it right so you don't lose files and slow down your phone?
5 proven ways to save information from Xiaomi on microSD, including hidden features MIUI, We'll figure out which files can be moved and which can't be moved, how to avoid formatting errors and what to do if the phone doesn't see the card. We'll focus on hybrid slot models like the Redmi Note 12 Pro.+), where the memory card replaces the second SIM.
You'll know:
- ๐น How to Prepare a Memory Card to Work with Xiaomi (Including Selecting a Format: FAT32, exFAT or NTFS)
- ๐น Step-by-step instructions for porting photos, videos, music, and apps (yes, some apps can also be moved!)
- ๐น Hidden settings MIUI, which speed up access to files on SD-map
- ๐น What to do if your phone says โMemory Card is damagedโ or โInadequate rightsยป
All methods are tested on the latest MIUI 14/15 firmware and are suitable for models from 2020-2026: from the budget Redmi 10A to the flagship Xiaomi 14 Ultra. If your smartphone is older, check compatibility in the section "Frequent questions".
1. Memory card preparation: formatting and slot selection
Before you can save data, the memory card needs to be properly connected and formatted, and an error at this point can result in file loss or slow operation of the phone.
- Check the type of slot in your Xiaomi: ๐ฑ Hybrid slot (instead of the second one) SIM): Redmi Note 11/12/13, POCO X5, Xiaomi 12T. Here, the memory card replaces the second. SIM-map. ๐ฑ A separate slot for microSD: Redmi 10 Power, POCO M5, old models 2020 year-end.
Select a memory card
UHS-I (U1)
A1
U3/A2
Put the map in.
Now formatting. Xiaomi will offer to format the card when you first connect, but it is better to do it manually through the settings:
- Go to Settings โ Memory โ Memory Map.
- Click Format โ Internal Memory (if you want to use the card as a main memory extension) or Portable Storage (if only for files).
- Select the file system: ๐ธ FAT32 โ Compatible with all devices, but file limit to 4GB. ๐ธ ExFAT โ no file size restrictions, best for Xiaomi. ๐ธ NTFS โ Not recommended for Android (may cause errors).
โ ๏ธ Attention: Formatting removes all data from the card! If it has important files, copy them to your computer first.
What happens when you choose "Inner Memory"?
2.Save photo and video to a memory card
Photos and videos take up the lion's share of smartphone memory, and fortunately, they're the easiest to transfer to. SD-There are three ways:
Method 1: Through the standard Gallery app
- Open the Gallery and select an album (e.g. Camera).
- Press. โฎ โ Select and tag files.
- Put it on another one. โ Save it to the device. โ Memory map.
- Select a folder (for example, DCIM/Camera) or create a new one.
Method 2: Automatically save new photos on SD
All new images are immediately saved to the map:
- Open the Camera app.
- Press on. โ๏ธ (setting) โ Preservation site.
- Select a Memory Card and specify the folder.
Important: If there is no Save Place option, your Xiaomi model does not support saving photos to SD directly. Use Method 1 or 3.
Method 3: Through "Conductor" (for packet transfer)
- Open Explorer (or Files in MIUI)
- Go to the Inner Memory โ DCIM โ Camera.
- Press your finger on the file โ Select everything โ Move.
- Select Memory Map โ DCIM โ Camera (or other folder).
โ ๏ธ If photos disappear from the gallery when transferring, update the media base: open the Gallery โ โฎ โ Update.
โ๏ธ Preparation for photo transfer
3. Transfer applications to a memory card (if supported)
Not all Xiaomi models allow you to move applications to the SD-It depends on the version. MIUI Here's how to test the capability and perform the transfer:
- Open Settings โ Applications โ Application Management.
- Select an app (like Google Maps or Spotify).
- If you have the option Warehouse โ Change โ Memory card, tap on it.
- Confirm the transfer and wait until the completion (may take up to 5 minutes).
Limitations:
- ๐ซ You can not transfer system applications (Settings, Phone, Messages).
- ๐ซ Some games, for example, PUBG Mobile or Genshin Impact may not work with SD-map.
- ๐ซ On Xiaomi MIUI 12+ Application portability is often missing due to Google policy.
If the option is not available, try to bypass the restrictions through ADB (power users only):
adb shell pm set-install-location 2This command forces the system to install applications on the SD by default. Risk: some programs may fail.
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Before perenosom applications, check the speed of the memory card using the A1 SD Bench app. If the write speed is below 10 MB/s, the applications will slow down.
4. setup to automatically save files on SD
To avoid manually transferring files, set up Xiaomi to automatically save downloads, screenshots and documents to a memory card.
Screenshots
- Open the settings โ Additional โ Screenshots.
- Select a Retention Site โ Memory map.
- Specify the folder (for example, Pictures/Screenshots).
Downloads from the browser
In Google Chrome or Mi Browser:
- Open the browser โ โฎ โ Settings โ Downloads.
- Press the Save Place โ Memory map.
- Create a Download folder (if not).
Documents and files from messengers
On Telegram or WhatsApp:
- Open the chat with the file โ press the message โ Save to the gallery.
- Select the Memory Card as a place of preservation.
For automatic preservation:
- In Telegram: Settings โ Data and memory โ Download folder โ Memory Map.
Note: Some messengers (e.g. Viber) do not support saving to SD. In this case, use Explorer for manual transfer.
5. Mistakes when working with a memory card and their solution
Even after you set it up properly, you can have problems, and here are the most common mistakes and ways to fix them:
| Mistake. | Reason. | Decision |
|---|---|---|
| Memory card damaged | Improper extraction, file system failures | Format the card in exFAT via a computer or phone (with data backup). |
| Not enough rights to record | The card is formatted as an internal one, but is tied to another device. | Reformat the card as a portable storage (Settings โ Memory โ Memory Map โ Format โ Portable storage). |
| No map found. | Bad contact, incompatible format or damaged card | Remove and paste the card again. Check the card on another device. Format it in FAT32 (if the phone can't see exFAT). |
| Slow operation of applications with SD | Low speed card (Class 4/6) | Replace the card with a U1/A1 or higher model (e.g., SanDisk Ultra A1). |
If the card is physically damaged (for example, after a phone crash), data recovery is possible only with the help of specialized programs on the PC, such as Recuva or DiskDigger.
โ ๏ธ Warning: If the phone writes Map protected from writing, check the physical Lock switch on the microSD adapter. Even if you do not use an adapter, contacts may have oxidized - wipe the card with a dry wipe.
6. Creating a backup to a memory card
The memory card can not only store files, but also backup contacts, messages and settings. Xiaomi has built-in tools for this:
Backup of contacts
- Open Contacts. โ โฎ โ Contact management โ Imports/Exports.
- Select Export to a memory card.
- Specify the format:.vcf (for individual contacts) or.csv (for tables).
Backup copy of messages (SMS)
Use the Messages app:
- Open the messages. โ โฎ โ Settings โ Backup.
- Select Local Backup โ Memory Map.
- Click Create a backup copy.
Full system backup
To create a complete copy of settings and data:
- Go to Settings โ About Phone โ Backup and Reset โ Local Backup.
- Select the Memory Card as a place of preservation.
- Check the necessary data (applications, contacts, SMS, Wi-Fi settings).
- Click Create a backup copy.
Important: The backup takes up a lot of space (up to 5-10 GB) and is stored in encrypted form. It can only be restored on the same Xiaomi phone!
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Contact backups and SMS in.vcf/.csv format can be opened on any device, and MIUI system backups can only be opened on Xiaomi with the same Mi Account.
7. Optimization of work with a memory card
To ensure that the memory card works quickly and does not brake the phone, follow these tips:
- ๐น Don't fill the card 100%. Leave at least 10% free space for cache and temporary files.
- ๐น Clean the folder regularly Android/data. Here are stored caches of games and applications that can take gigabytes.
- ๐น Use folders to sort files (e.g. Photos, Videos, Documents) to speed up search.
- ๐น Turn off automatic media scanning if the card is slowing down: Settings โ Annexes โ Application management โ Media storage โ Stop it.
To check the speed of the card, use the A1 SD Bench app (available on Google Play).
- ๐ Reading: > 80 MB/s (for UHS-I U3).
- ๐ Recording: > 20 MB/s (for stable application performance).
If the speed is lower, replace the card with a faster model.For example, Samsung EVO Plus or Lexar Professional perform better in tests with Xiaomi.