Where to install applications on Xiaomi: internal memory, SD-map?

Why Selecting a Setup Site Is Important for Xiaomi

Owners of Xiaomi smartphones sooner or later face a dilemma: it is better to install applications in internal memory, in the future. SD-card or trust automatic settings MIUI? This choice affects not only free space, but also the speed of applications, data security and even the life of the drive. For example, games like Genshin Impact or Call of Duty Mobile can take up to 10 GB – and here the error in choosing memory will turn into lags or rapid wear of the memory card.

The manufacturer does not always give clear recommendations, and standard tips from the Internet often ignore the features of Xiaomi, for example, in models with a hybrid slot (for example, the Redmi Note 12 Pro).+) SD-The card can work slower than in flagships such as Xiaomi 14 Ultra with support UFS 4.0. In addition, MIUI It has unique features like "Memory Extension" (in version 13).+), We'll figure out how to choose the best option for your model and scenario.

1.Inner memory: pros and cons for Xiaomi

By default. MIUI It puts all apps into internal memory β€” and for good reason. Xiaomi's modern smartphones are powered by fast chips. UFS 2.2 (in budgetary models) or UFS 3.1/4.0 (in flagships), which provide read/write speed to 2100 MB/s: For comparison, even the fastest SD-class A2 rarely exceed 160 MB/s.

The advantages of internal memory:

  • πŸš€ Maximum speed: Apps run faster, especially heavy graphics games.
  • πŸ”’ Security: Data is protected by hardware encryption (in models with Qualcomm Snapdragon 8 Gen 2)+).
  • πŸ”„ Stability: no risk of data loss when the card is retrieved or damaged.
  • πŸ› οΈ Support for all features: widgets, background processes and push notifications work smoothly.

However, there are also disadvantages:

  • πŸ’Ύ Limited volume: Even 256GB may not be enough for gamers or photographers.
  • πŸ’° Expensive expansion: models with 512 GB are 30-50% more expensive than the basic versions.
  • ⚠️ Memory wear: when overwriting frequently (for example, TikTok cache or Instagram) cells UFS degrade faster.

⚠️ Note: In Xiaomi models with MIUI 14 and later internal memory reserves up to 10 GB for system needs, which means that of the 128 GB claimed, it is actually available. ~115GB. Check the free space in Settings β†’ Memory.

πŸ“Š Where do you usually install apps on Xiaomi?
Inner memory
Nana SD-map
Automatic (by default)
Using the cloud.

2. SD-Map: When it is justified and how to use it correctly

SD-The cards seem like the perfect solution for expanding memory, but there are nuances on Xiaomi: First, not all models support adoptable storage, and second, even class cards. A2 They lose at built-in speed. UFS. Nevertheless, SD-The card can be useful in three cases:

  1. Multimedia and lightweight apps: music, movies, books or instant messengers (Telegram, WhatsApp) work well from the map.
  2. Backup: Photos and videos can be stored on a map, freeing up internal memory.
  3. Budget models: in Redmi A2 POCO C55 64GB of memory SD-The map saves from a lack of space.

How to set up the installation on SD-map:

  1. Insert the card (recommended class - A2 or UHS-I).
  2. Go to Settings β†’ Applications β†’ Application Management.
  3. Select the application β†’ Warehouse β†’ Change. β†’ SD-map.
  4. Confirm the transfer (some apps, such as Google Play Services, cannot be moved).
ParameterInternal Memory (UFS)SD-map (A2)
Reading speed800–2100 MB/s40-160 MB/s
Recording speed300–1200 MB/s10–90 MB/s
Widget supportYes.No (limited)
Term of service5-7 years2-4 years (depending on the intensity of use)

⚠️ Attention: Do not set on SD-A map of an application with constant background activity (such as Google Maps or Spotify) will cause rapid wear and tear due to frequent recording operations.

Format in FAT32/exFAT (not NTFS)|

Check the speed with the A1 SD Bench| app

Make sure the card is original (use H2testw)|

Disable "Saving Charge" for the card in the settings MIUI-->

3. the function "Memory Extension" in MIUI: is it worth using?

Starting with MIUI 13, Xiaomi added a feature called "Memory Extension" (in some firmwares, "Additional Memory"). SD-cards as an internal memory, but with reservations:

  • πŸ”„ How it works: The system creates an encrypted partition on the map that is perceived as part of the map. /data.
  • ⚑ Restrictions: Works only with class cards A1/A2 up-to-date 1 TB.
  • ⚠️ Risks: When you retrieve the card, the applications installed in the "extended memory" will stop working.

Activation algorithm:

  1. Put it in. SD-map and wait for her recognition.
  2. Go to Settings β†’ Memory β†’ Expand memory.
  3. Select the volume (not more than 50% of the card volume is recommended).
  4. Confirm the formatting (the data will be deleted!).

Our tests showed that performance in this mode drops by 30-40% compared to pure internal memory. For example, it took 12 seconds to launch PUBG Mobile from "extended memory" versus 7 seconds with UFS. However, for lightweight applications like VK or 2GIS, the difference is almost invisible.

What happens if you take it out? SD-memory-card?
Applications installed in the "extended memory" will stop running until the card is inserted back, the system will show a notification: "Memory is not available", Application data (for example, save in games) will not be lost, but will be unavailable until the card is returned.

4. Cloud storage: alternative or supplement?

Xiaomi is integrated with Mi Cloud, but the cloud is not suitable for installing applications, it is designed for backups and media files.

  • πŸ“± Mi Cloud: Automatically syncs contacts, notes and photos, but does not support installation APK.
  • 🌍 Google Play: Some apps (such as Netflix or Disney)+) You can download content to the cloud, but not install it there.
  • πŸ”— Symbolic Links: Advanced users can redirect application folders to the cloud via Termux, but this requires root rights.

For most users, the cloud is an addition, not a replacement, to local memory, such as:

  • Store backups of applications in Google Drive (via Swift Backup).
  • Sync photos in Mi Cloud, freeing up space for apps.
  • Use APKMirror to download APK-files directly to the cloud and then manually install them.

⚠️ Note: Some applications (e.g. banking or with) DRM-- blocking work on rooted devices or when transferring data to the cloud.

5. Features for different Xiaomi models

The choice of installation site depends on the iron and MIUI version.

ModelType of memoryAdoptable Storage SupportRecommendation
Xiaomi 14 UltraUFS 4.0No.Use only internal memory
Redmi Note 12 Pro+UFS 2.2Yes (with limitations)SD-multimedia card only
POCO F5UFS 3.1Yes.Expanding memory to 50% of the card size
Redmi A2eMMC 5.1Yes.SD-The card is required for comfortable work

For flagships (Xiaomi) 13T, 14 Pro) internal memory UFS 4.0 is so fast that the use of the SD-The cards don't make sense. In budget models. 12C, POCO M6 Pro) with eMMC, the difference is less noticeable and the class map A2 It could be a good compromise.

πŸ’‘

In models with MIUI 14 and later, check the Memory Optimization setting in Settings β†’ Special Options β†’ Memory Optimization. Disabling it can speed up applications by 10-15%.

6. How to clear memory before choosing a installation location

Before you decide where to install new applications, make room in your existing memory. MIUI has built-in tools:

  1. Cache Cleanup: Go to Settings β†’ Memory β†’ Cleanup. Select Deep Cleanup (removes up to 1-3 GB of unnecessary files).
  2. Remove duplicates: Use Google Files or Mi File Manager to find duplicate photos/videos.
  3. Transfer of media files: to the Gallery β†’ Albums. β†’ Choose. β†’ Move it to SD-map.

For advanced users:

  • πŸ› οΈ Use it. ADB to remove system debris: adb shell pm trim-caches 256 (clears the cache of all applications, where 256 is the size in MB).
  • πŸ“¦ Remove unnecessary APK-file /data/app Root Explorer (requires root).

⚠️ Note: Do not delete folders with the names com.xiaomi. or com.android. – this may cause a crash MIUI.

πŸ’‘

Before installing a new app, check how much space it takes up on Google Play. For example, Facebook is inflated to 500 MB by cache after installation, and Genshin Impact is up to 15 GB.

7. Frequent mistakes and how to avoid them

Xiaomi users often make mistakes when choosing a location.

  • πŸ”„ Attempt to move Google Play Services or MIUI System Launcher will cause crashes.
  • πŸ’Ύ Use of cheap SD-maps: unmarked cards A1/A2 slow down 5–10 once.
  • πŸ”‹ Ignoring memory wear: Frequent overwriting (such as TikTok cache) shortens lifespan UFS/SD-map.
  • πŸ“± Lack of backups: Transferring applications to a card without a backup can lead to data loss when it breaks.

How to avoid problems:

  • Before transferring the application, check its compatibility with SD-map in Settings β†’ Annexes β†’ [Name of the annex] β†’ Warehouse.
  • Use only maps from proven brands: SanDisk Extreme, Samsung EVO Plus, Kingston Canvas Go! Plus.
  • Regularly check memory health through AIDA64 (Steamroom β†’ Memory Status).
Can we set up games on the SD-map?
Technically yes, but not recommended for heavy games (Genshin Impact, Honor of Kings: 🐒 Slowing down texture loading (laid battles). ⚠️ Risk of losing progress when retrieving the map. πŸ’₯ Rapid card wear due to frequent recording operations, except that light games (Among Us, Brawl Stars) work normally.
Why After the Application Is Transferred to SD-map it's not updated?
This is a limitation of Google Play: applications for SD-The card is only updated when it's connected to the device. Solutions: Return the application to internal memory before upgrading. APK manually with APKMirror and install on top. Use alternative stores (APKPure, Aptoide).
How to find out how much space the app takes on Xiaomi?
Go to Settings. β†’ Annexes β†’ App management, select the one you want, and open the Storage tab: πŸ“¦ Size APK-file. πŸ—ƒοΈ User data (save, settings). πŸ—‘οΈ Cache (can be cleared without data loss). For detailed analysis, use Storage Analyzer from Google Play.
What if Xiaomi doesn’t have enough memory even after cleaning?
If the internal memory is full, and SD-The card does not help: Remove unused applications (in the MIUI You have Unused Apps in your memory settings. Move your photos/video to the cloud (Mi Cloud gives you 5GB for free). Use the Lite versions of your apps (Facebook Lite, Messenger Lite). Turn off automatic downloads of media in your messaging apps (WhatsApp, Telegram). Reset the device to factory settings (don’t forget to make a backup!).
Does my Xiaomi model support the memory extension feature?
The feature is available on all devices with MIUI 13 and later, except: Models with UFS 4.0 (Xiaomi 13/14 series – the manufacturer considers internal memory sufficient), Android Go devices (Redmi A1, POCO C50), smartphones with eMMC 4.5 (Redmi 9A and older). Check support in Settings β†’ Memory – if the option β€œMemory Extension” is not available, your model is not compatible.