Many owners of Huawei smartphones are faced with an unpleasant situation: the internal memory of the device fills up catastrophically quickly, and the system begins to work slower or even refuses to install new apps. This is especially true for budget models, where the amount of built-in storage is limited to 32 or 64 gigabytes. Fortunately, the Android ecosystem provides tools to solve this problem, allowing you to use external drives.
Transferring data to external storage is not just copying files, but changing the logic of how the operating system works with applications. Depending on the shell version EMUI or Magic UI, as well as the model of a particular device, the algorithm of actions may vary significantly. Some modern versions of Android limit the ability to completely install apps on an SD card for security and performance reasons.
In this guide, we will examine in detail all the available methods for optimizing memory. You'll learn how to turn a flash drive into an extension of your internal memory or how to move heavy games already installed, freeing up precious megabytes for new tasks. We will also touch on the nuances of working with the file system and possible risks of data loss.
Preparing a memory card and checking compatibility
Before you begin manipulating system settings, you need to make sure that your drive is ready for use. Not every memory card is suitable for installing applications. For apps to work correctly, high speed reading and writing data is required, otherwise the interface will freeze. It is recommended to use standard cards Class 10, UHS-I or higher.
Insert the card into the slot and wait for the notification about connecting a new media. The system will offer several options for use: only for storing photos or as internal memory. If you want to transfer apps, you'll need the second option, which is often called "Use as internal memory" or "Storage expansion." However, this option is not available on all models.
⚠️ Warning: Formatting the card for use as internal memory will delete all data already on it. Be sure to back up important photos and documents before starting the procedure.
You can check the current status of the drive in the settings. Go to the Memory section and see if your SD card is shown there as a separate volume or as part of shared storage. If the card is defined only as a “Portable Storage”, transferring system applications will not be possible without additional tricks.
Use memory cards with a capacity of at least 32 GB. A small volume will quickly be filled with messenger caches and game updates, which will negate all optimization efforts.
Standard transfer method through Huawei settings
The easiest and safest way to change the installation location of apps is available in the standard settings menu, but it works selectively. Application developers themselves decide whether they can be moved to external media. If the developer has prohibited this, the move button will be inactive.
First, open the menu Settings and find the item Applications. From the list of installed apps, select the one you want to move, for example, a heavy game or a social network. Click on the name of the application to open a page with information about it.
On the application information screen, find the section Memory. If the function is available, there will be a button Change or switch. By clicking on it, you will see a list of available storage locations: “Internal memory” and “SD card”. Select the external drive and confirm the action. The system will automatically move the application files.
☑️ Algorithm for transferring one application
It is worth noting that even after the transfer, some critical files will remain in the internal storage. This is done to ensure stable operation of the system. It will not be possible to completely free up space to zero, but a significant amount of data (especially the game cache) will be moved to the flash drive.
Using the “Adoptable Storage” function
Some Huawei models support technology that allows you to combine internal memory and a microSD card into a single space. In this case, the system perceives the flash drive as an integral part of the phone. All new applications will be installed there by default if the internal memory is not enough.
To activate this feature, go to Settings -> Memory. Click on the name of your SD card. In the menu that appears, select the option Format. The system will warn you about data loss and prompt you to select a formatting type. Select the option Use as internal memory.
After the process is completed, the phone may reboot. Now, when installing new apps on Google Play or AppGallery, the system will automatically suggest a place on the map. However, this method has its limitations: it will be impossible to remove the card without losing the functionality of the applications, since they are encrypted for a specific device.
Why does this function disappear in new versions of Android?
Google and smartphone manufacturers are gradually abandoning the Adoptable Storage function. The reason lies in the low speed of most memory cards compared to built-in eMMC or UFS chips, which leads to interface slowdowns and unstable system operation.
If you do not see the “Use as internal memory” option, it means that the manufacturer of your model Huawei has blocked this feature at the software level. In this case, you will have to resort to alternative methods or resign yourself to manual transfer of individual applications.
Transferring media files and cache to free up space
Often the problem of lack of space is not associated with the applications themselves, but with accumulated garbage and media files. Moving photos, videos and music to a memory card frees up space for the system to work, which indirectly helps you install more apps.
Use the built-in file manager. Open the application Files, select a category Images or Videos. Select the files you need, click the menu (three dots) and select Move or Copy. Specify the path to your SD card as the destination.
Special attention pay attention to instant messengers such as WhatsApp or Telegram. They save thousands of photos and videos to the internal memory. In the settings of the messengers themselves, you can change the path where downloaded files are saved to the memory card, which will prevent the main storage from quickly filling up in the future.
| Data type | Where it is stored by default | Can it be transferred | Impact on speed |
|---|---|---|---|
| System applications | Internal memory | No | Critical |
| Custom games | Internal memory | Partly | Average |
| Photo and Video | DCIM/Camera folder | Yes, completely | Minimal |
| Browser cache | Internal memory | Automatic | Low |
Regular cleaning of media files is the best prevention of memory problems. Set up automatic uploading of photos to the cloud or to your computer so as not to store gigabytes of duplicates on your phone.
Third-party utilities and developer mode
If standard methods do not give the desired result, you can try activating hidden Android functions through developer mode. This allows you to forcefully allow the transfer of applications, even if the developer has prohibited it, although there are no guarantees of stable operation in this case.
To activate developer mode, go to Settings -> About phone. Find the item Build number and quickly click on it 7 times in a row. The message “You have become a developer” will appear. Now a new section will appear in the main settings menu For developers.
Inside this section, scroll down the list to the item Forcely allow the transfer of applications to the SD card. Activate this switch. After this, reboot your device. Now in the application management menu the transfer button can become active for more apps.
⚠️ Attention: Forcibly transferring system or critical applications may lead to their incorrect operation, crashes, or complete failure to launch. Use this feature only for games and non-essential apps.
There are also third-party application managers such as App2SD or Link2SD. However, for their full operation, they are often required root access, which is extremely difficult to obtain on modern Huawei due to the closed bootloader. Without superuser rights, these apps work with limited functionality, similar to standard settings.
Activating developer mode is a safe software method that does not require hacking the system, but its effectiveness depends on the specific version of Android.
Possible problems and solutions
During operation, situations may arise when moved applications stop working or disappear from the desktop. Most often this is due to poor contact of the memory card or damage to the file system. If the phone suddenly does not see the flash drive, all apps installed on it will become unavailable.
Another common problem is the low speed of applications after transfer. If the game starts to slow down or takes a long time to load, it means that the recording speed of your memory card is not sufficient to run complex app code. In this case, it is better to return the application to the internal memory.
To return the application back, follow the same steps as when transferring, but select the “Internal memory” option. If the application does not start, try clearing its cache through the settings menu or reinstalling it again, first checking the memory card for errors using a computer.
Periodically check the integrity of the memory card. Once every six months, connect it to your PC and run an error check using standard Windows or macOS tools.
Frequently asked questions (FAQ)
Why is the “Move to SD card” button inactive (gray)?
This means that the developer of a particular application has prohibited its installation on external media. This can also happen if the application widgets must always be on the main screen, which is technically impossible when placed on a removable card.
Will the application be deleted if I remove the memory card?
Yes, the app will stop launching and its icon may disappear. The application data will not be deleted permanently, but access to it will be lost until the same memory card is reinserted into the same phone.
Is it possible to transfer WhatsApp completely to a memory card?
The app itself can only be partially transferred. The main volume is occupied by media files (photos, videos, voices). It is better to transfer them manually through a file manager or set up saving to the cloud, since the messenger database must remain in the internal memory for fast operation.
Does transferring applications affect the speed of the smartphone?
Yes, it can have a negative effect. The built-in memory of smartphones is usually faster than microSD cards. Applications launched from a flash drive may take longer to load, and heavy games may experience micro-freezes (slowdowns).
What should you do if, after transferring, the phone says “Application not installed”?
Try formatting the memory card again, selecting the exFAT or FAT32 file system. Also make sure that the card is not physically damaged. If the problem persists, return the application to the internal memory.