How to transfer applications to SD-map on Xiaomi Redmi 7A

Owners of budget smartphones such as Xiaomi Redmi 7A often face a lack of built-in storage. The model is equipped with only 16 or 32 gigabytes of internal memory, of which a significant part is occupied by system files. After installing several heavy games and social networks, the device begins to issue notifications about the lack of space, which critically affects the performance of the system. Expanding available space becomes not just a convenience, but an urgent need for comfortable operation of the gadget.

Fortunately, the Android architecture allows external microSD drives to be used not only as a flash card for photos, but also as a full extension of the system partition.This means that you can transfer a significant portion of user data and even the applications themselves to a more capacious and cheaper medium, but this process has its technical nuances, especially in the shell of MIUI, which is known for its strict security restrictions.

In this guide, we will discuss all the stages of preparing and transferring data, you will learn how to format the map correctly, which applications are migrated and which are best left on the system. We will also touch on performance issues, since the speed of programs depends on the class of drive used. 7A Stable even when the internal storage is full.

Features of the MIUI file system and the limitations of Android

Since Android 6.0, Adoptable Storage has been introduced to the system, allowing internal and external memory to be combined into a single space. However, many manufacturers, including Xiaomi, often hide or completely disable this feature at the software level, this is done to prevent the installation of slow memory cards that can cause interface freezes and data loss.

MIUI has its own memory management mechanisms that prioritize internal storage for system processes. When you install a new application from Google Play or GetApps, it is installed by default in the internal partition. Even if the memory card is formatted as an internal one, the system can continue to take up precious megabytes, ignoring the free space on the external media.

⚠️ Warning: Forcing the card to be formatted as internal memory will result in the complete deletion of all data on it.

Also, not all applications support portability: Developers can ban migration of their products for security or stability reasons, such as widgets, live wallpaper and system services need to stay in fast internal storage, and understanding these limitations will help avoid frustration if the move button remains inactive.

πŸ“Š How much memory is your Redmi? 7A?
16GB
32GB
64GB
I don't know / Other

Preparation SD-maps and formatting

The first and most important step is to choose a quality drive. To work in memory expansion mode, you need cards with high speed write and read. The minimum standard is Class 10, but for the comfortable operation of modern applications, it is strongly recommended to use UHS-I or A1 cards. Using a slow card will lead to lags when running programs and long boot of the system.

The process of preparation begins with insertion of the card into the slot and subsequent formatting. Unlike simple file storage, the application mode requires special markup. The system encrypts the data on the card, binding it to a particular device. This means that once formatted, the card will not be read on other phones or computers without a complete reset.

To do this, go to the device settings, you need to find the partition that's responsible for the storage and initiate the conversion process, the system will warn you about the consequences again, and after confirmation, the process will begin, which can take from a few minutes to half an hour depending on the size of the drive.

β˜‘οΈ Pre-formatting verification

Done: 0 / 4

Once formatted, the system will offer to move existing media files, which is a convenient feature that allows you to immediately free up space, but the main goal - to configure the work with applications - requires additional actions, since the standard MIUI interface may not display the option of porting programs immediately after formatting.

Applications portability to Redmi 7A

There are several ways to get the system to use external memory to install programs. The first method is regular, through application settings, but it only works for programs whose developers have allowed portability. The second method is using an engineering menu or ADB commands, which allows you to bypass the limitations of the shell. The third option is to configure the map as the main storage, if this option is active in your firmware version.

Consider the standard path through settings. Go to the application section, select the program you want, and find the memory use point. If the card is formatted correctly, there should be a change of storage button. If the button is grey or missing, then the application is portable or the system is blocking this function.

A more advanced method involves using USB debugging. By connecting the phone to a computer, you can send a special command that will force portability for all compatible applications. This requires the developer mode to be enabled, but gives you maximum control over the file system.

ADB team for forced transfer
To activate a function via your computer, use the command: pm setInstallLocation 2. This will cause the system to default to offer installation to an external card if it is available. However, beware: some system applications may stop working correctly with this approach.

It's important to understand the difference between moving an application itself and transferring its cache. Often, the bulk of a program is not the installation files, but the downloaded data: navigation maps, game levels, offline music, and it's that data that can be transferred to a map that can be more effective than trying to migrate an executable file.

Step-by-step instructions through smartphone settings

For those who don't want to use a computer, there's a direct on-device algorithm. First, make sure the memory card is inserted and recognized by the system as internal storage (as evidenced by the lack of ability to retrieve it without unwiring), then open the Settings menu and look for the App item.

In the installed program list, select the one you want to move. Click on it to open the information page. Here you are interested in the Memory or Storage section. If the system allows, you will see the Change or Move button. SD-You click on it, you start the migration process.

Transfer time depends on the size of the application and the speed of the card. During the process, it is not recommended to start other heavy tasks or turn off the screen so that the system does not go into power saving mode and interrupt the operation. After completion, the status will change, and the space in the internal memory will become available.

πŸ’‘

If the transfer button is inactive, try first to clear the app cache in the same settings menu. Sometimes temporary files block the ability to move.

It should be noted that after the transfer, the application icon remains on the desktop, and the user does not change the startup process, the difference will only be noticeable in the speed of work and in the statistics of occupied space.

Using the Developer and ADB Capabilities

If standard methods fail, we can use a toolkit for developers, which requires connecting your smartphone to your PC and installing ADB drivers. It allows you to change the system flags that control the installation of programs, and it is the most reliable way for power users who want to make the most of their Redmi 7A.

First, activate the developer mode. To do this, seven times click on the build number in the About Phone section. Then in the menu that appears, turn on USB Debugging. Connect the phone to your computer and open the command line in the ADB tool folder.

Enter the adb device connection check command. If the device is selected, you can enter commands to manage memory, for example, the adb shell pm move-package command allows you to move specific packets manually, even if the interface hides it.

Team team.Description of actionRisk of error
adb shell pm list packagesRemoval of the list of all installed packagesLow.
adb shell pm move-package [name] [id]Transfer of a particular application to a mediumMedium.
adb shell pm setInstallLocation 2Installation of external card priority by defaultHigh-pitched
adb shell sm set-force-adoptable trueForced activation of adaptive storage modeHigh-pitched

⚠️ Attention: Use of teams ADB A mistake in the name of a package or an incorrect flag can cause an application or system to fail.

Once the commands are executed, it is recommended to restart the device, which will allow the system to re-index the file system and apply new settings, and if the applications work correctly after the restart, the procedure can be considered a success.

Optimization of work and possible problems

Even after a successful transfer, there may be nuances: some applications may be slower, especially if the memory card has a low random read speed, which is often noticeable in heavy games or programs with extensive graphics, in which cases it makes sense to return the application to internal memory, leaving only media files on the map.

Another common problem is the loss of connection to the application when you extract the card. Because the data is encrypted and tied to a physical medium, pulling the card out will lead to launch errors, and the system will report that the application is damaged or missing until the card is returned to its place and mounted.

The memory card resource should also be considered. The constant recording and overwriting of data that is characteristic of the operation of applications wears out flash memory faster than simple photo storage, so it is recommended to use cards from proven brands with a high rewrite resource for active work.

πŸ’‘

The perfect configuration for Redmi 7A: System applications and messengers in internal memory, heavy games and navigation on fast SD-map A1.

Check card status regularly through storage settings. The file system may require maintenance or error correction. Timely defragmentation (if supported) or error checking will help avoid data loss at a critical time.

Frequently Asked Questions (FAQ)

Can I transfer WhatsApp and Telegram to a memory card?
The apps themselves can be moved, but media files (photos, videos) by default remain in internal memory or require separate configuration within the applications. SD-map to free up the main space.
What happens if you remove the memory card after transferring the applications?
Apps that are moved to the map will stop running, and their icons may disappear from the desktop, the data inside them will become inaccessible, and to use them again, you need to insert the same card back into the phone.
Why does the system write β€œNot enough memory” even with a map?
This happens when internal memory is filled with system files and a cache that cannot be transferred, and some application updates require a temporary space in the internal storage to unpack, even if the final program size is small.
Does the transfer affect the speed of the smartphone?
Yes, it does. If the memory card is slower than the phone's internal flash memory, it can take longer to start apps and load data, and using UHS-I cards minimizes that difference.
Do I need to format the map every time I transfer a new application?
No, formatting is done once when you initially configure the map as an internal storage, and all subsequent applications can be transferred or installed directly on the map without re-formatting.