Xiaomi and Redmi smartphone owners often face a lack of built-in storage, especially if the device has 32 or 64 GB of memory. Despite the presence of a microSD slot, the standard shell of MIUI or HyperOS by default does not allow you to simply transfer installed programs to an external drive. This limitation is due to the security and stability of the system, but there are proven ways to bypass this barrier.
Moving data can make room for photos and videos, but it's important to understand the risks. SD-The card is directly dependent on the class of the memory card, and cheap models can slow down the start of programs. In this article, we will discuss all available methods, from standard settings to the use of special developer modes.
📊 How much internal memory do you have on Redmi?
32GB
64GB
128GB
256 GB or more
Preparation of memory card and compatibility check
Before trying to transfer files, you need to make sure that your memory card meets the requirements of a modern mobile operating system. For comfortable operation of applications, it is recommended to use UHS-I or UHS-II drives with a speed class of at least 10. Using slow cards will lead to constant friezes and long downloads.
Insert the card into the phone turned off or through the Settings menu → About Phone → Storage if the system supports a hot replacement. Once the drive is detected, the system will prompt it to be formatted. Note that formatting will delete all data, so back up important files on your computer in advance.
Some older card models may not be defined by newer smartphones because of differences in file systems. If the device sees the drive but does not allow formatting, it may be damaged or has a fake volume, in which case data transfer is impossible and can lead to system errors.
⚠️ Note: Do not remove the memory card while the applications transferred to it are running. This can cause a program to crash and loss of unsaved data.
Standard method of transfer through system settings
In some versions of MIUI firmware, portability is available by default, although limited. To start, open Settings and find the App section. This shows the full list of installed software. Select an application that takes up a lot of space, such as a heavy game or a social network.
Inside the app menu, look for Warehouse. If the system allows for portability, the Change button will be active. When you click on it, you'll see a choice between internal memory and SD-However, it is worth noting that for most system applications and important services of Google, this option will not be available (blacked out).
Why is the transfer button inactive?
The app developers themselves specify in the manifest where the program should be stored.="internalOnly" is technically impossible to transfer to a card without root rights. If the button is active, select SD-The process can take from a few seconds to a few minutes depending on the size of the data, and once completed, the app icon may temporarily disappear from the desktop and then reappear with a new path to the data. There is a hidden Android feature that allows you to treat an external card as part of internal memory. To activate it, you need to go to the developer menu. Go to Settings → About phone and quickly press 7 times on the item Version MIUI or OS, Until you get a message that you are a developer. Then go back to the main settings menu, select Additional and find Developer For. The list that opens will scroll down to the application-related section. Find the Force allow apps on and activate the button. Path to menu: Settings → Additional → For developers, Allow external storage after this option is enabled, the system can now offer a choice of installation location, and the menu of already installed programs can be ported. However, this method does not guarantee 100% success for all programs: Settings → Additional → For developers, Allow storage is important for the storage solution type: Understanding of external storage is important for internal storage. Internal Storage (Internal Storage) is based on protocols. UFS Or eMMC, which allows for faster read and write speeds. External Storage typically uses a slower interface, which creates a bottleneck. Below is a table showing the main differences and impacts on smartphone performance: Internal memory parameter SD-map (Adoptable) SD-Card (Portative) Reading Speed High (up to 2000 MB/s) Average (up to 100 MB/s) Depends on Encryption Class Hardware Linked to Device No (available on PC) Battery Impact Minimum Increased Average Risk of Data Loss Low Average High on Retrieval As seen from the table, Using a card as an internal memory (Adoptable Storage) encrypts it, making it unreadable on other devices without resetting. Portable mode is safer for data, but less functional for installing programs. 💡For games with heavy graphics use SD-card-cutting FPS increase the loading time of levels on 30-50%. Working with multimedia and app cache Even if you move the application itself (APK-The file doesn't work, you can often move its data. Many modern messengers, such as Telegram or WhatsApp, allow you to change the way you save media files in your own settings. This frees up gigabytes of internal space. → Data and memory → Memory usage. You can clear the cache here or change the way you save files to the SD-Viber and Instagram have the same settings, and it's the safest way to unload your phone without the risk of software failure. For photos and videos, use the Camera app. Go to its settings (cog icon) and turn on the Save to SD-map. Now all new pictures will be automatically written to an external drive, bypassing internal memory. ⚠️ Note: When transferring the messenger cache, make sure that the memory card is not removed. Otherwise, you will not be able to open previously received photos and documents inside the application. Possible problems and ways to solve them During the optimization process, users may encounter errors. Often, an application stops launching or crashes immediately after it is transferred, a signal that the card speed is not sufficient for the code to work or that access rights are violated. If the system says "Not enough space" even though the map is free, try clearing the cache of the system itself or restarting the smartphone. Sometimes the file system of the map requires checking for errors through the computer using the chkdsk utility. Also worth remembering is that updating the MIUI firmware can reset the developer's settings and return applications to internal memory. So always have a backup of important data stored on an external medium. FAQ: Can I transfer Xiaomi system applications to a card? Transfer system applications (Settings, Phone, MIUI Services) is highly discouraged. This can lead to a cyclical restart of the phone (bootloop) and complete device failure. System components must remain in internal memory for stability. Will the memory card speed my phone? No, in most cases, transferring system applications is not even slower, if the card is used for the built-in storage capacity, it can only slow down the speed of the smartphone. Why is progress missing after the game is transferred? Some games store storage in internal memory, even if the application itself is moved. Also, when changing the installation path, the game can perceive this as a new device. Always back up progress through cloud services (Google Play Games, Mi Cloud). What is the maximum card that Redmi supports? Most modern Xiaomi Redmi models support cards up to 256 GB or 512 GB officially. However, in practice, 1 TB cards often work, if they are formatted into an exFAT file system.