Modern mobile games weigh tens of gigabytes, and the built-in memory of a smartphone is often catastrophically insufficient to install all the desired titles. When the internal storage is full, the system begins to work slower, and new applications simply refuse to install. In such a situation, the only reasonable solution is to use an external memory cards MicroSD for storing heavy files.
However, the process of transferring data to Android is not always intuitive, since device manufacturers and operating system versions impose various restrictions. In some cases, it is impossible to move the game using standard system tools, and the use of special utilities or hidden developer settings is required. We will analyze all available methods, from simple menu buttons to advanced technical solutions.
Checking compatibility and preparing the drive
Before attempting to transfer data, you need to make sure that your device technically supports working with external drives as application storage. Not all smartphones allow you to install software on an SD card, even if there is a physical slot for it. Go to Settings → Memory and check if there is an option to format the card as internal storage.
If there is no such option, this means that the manufacturer has blocked the ability to install applications on external media at the firmware level. In this case, the card can only be used to store photos, videos and documents. It is also critically important to choose the right card speed class, as older models can become a bottleneck for game performance.
- 🚀 Use standard cards UHS-I or UHS-II to minimize delays when loading levels.
- 💾 The card capacity must be at least 32 GB for comfortable hosting of modern heavy games.
- ⚡ The recording speed must be at least 90 MB/s to prevent freezes during gameplay.
⚠️ Attention: Formatting the memory card will delete all data that is on it. Be sure to back up your photos and documents before starting the procedure.
Using built-in Android functions for transfer
The easiest and safest way to move games is available through the standard settings menu, unless the manufacturer has blocked this function. To do this, go to the Applicationssection, select the desired game from the list and find the Change or Move to SD cardbutton. If the button is active, the system will migrate the files itself.
It is worth noting that even if the transfer is successful, some of the game data will still remain in the internal memory. These are system files and cache that the operating system Android requires to be stored on a fast built-in drive for stable operation. It is usually not possible to completely free up internal memory using this method, but winning a few gigabytes is quite possible.
In some shells, such as MIUI or OneUI, the operating logic may differ. Sometimes the transfer option is hidden deep in the menu or is only available for certain types of applications. If the move button is inactive (gray), it means that the game developer has prohibited installation on external media in the application manifest.
Storage mode: turning an SD card into internal memory
Starting with version Android 6.0, the Adoptable Storage function has appeared, allowing you to combine internal memory and a microSD card into a single space. When this mode is activated, the system encrypts the card and uses it as an extension of the built-in storage. This allows you to install any applications and games as if they were on the phone’s native memory.
To activate the mode, go to Settings → Storage, select your card and press menu (three dots). Select Storage settings, and then Internal memory. The system will warn about data loss and low speed compared to the built-in chip. After confirmation, the process of formatting and migrating data will begin.
| Parameter | Internal memory | SD card (internal mode) | SD card (portable mode) |
|---|---|---|---|
| Reading speed | High (up to 2000 MB/s) | Medium (up to 100 MB/s) | Average (up to 100 MB/s) |
| Access from PC | Only via cable/ADB | Impossible (encrypted) | Possible as flash drive |
| Installing games | Full support | Full support | Only with the permission of the application |
| Security | High | High (linked to the device) | Low (can be removed) |
⚠️ Attention: After switching the card to internal storage mode, it will encrypted with the key of a specific smartphone. You will not be able to read data from this card on another phone or computer without a full reset.
If games start to slow down after transferring the card to internal memory, try formatting the card on your computer in the exFAT file system with a 64 KB cluster size, and then connecting it to the phone again.
Bypassing restrictions through developer mode
If the standard transfer button is inactive, you can try to force installation of applications on external media through the developer menu. This method is not guaranteed to work with all games, but it often helps to move those applications that formally support porting, but have hidden this option.
You must first activate developer mode. Go to Settings → About phone and quickly click 7 times on the item Build number. After the message “You have become a developer” appears, return to the main settings menu and find the new section For developers. Inside, find the item Allow saving to external storage and activate the switch.
After enabling this function, reboot the device. Now, when trying to transfer a game through the app menu, the option may become available. However, be prepared for the fact that some games may become unstable or crash after the transfer, since they were not optimized to work with slow external memory.
☑️ Preparing for a forced transfer
Advanced method: using the App2SD utility
For users who have received root access, there are more powerful memory management tools. The application App2SD allows you not only to move files, but also to create special partitions on the memory card (Link2SD), which the system perceives as part of the internal storage, even without official support for Adoptable Storage.
The process requires the creation of a second partition on the memory card in the file system ext3 or ext4. This can be done through the built-in partition manager in the application or third-party utilities on the PC. After creating a partition and granting superuser rights, the app will automatically link application files to the new partition.
⚠️ Attention: Obtaining root access will void the device warranty and may lead to data loss if done incorrectly. Use this method only if you are confident in your skills.
The main advantage of this approach is the ability to transfer absolutely any data, including the cache of heavy games, which usually takes up the most space. The system will think that the files are in the internal memory, which ensures maximum compatibility.
Risks of using Link2SD
If the memory card is removed or damaged, all moved applications will stop running, and their icons may disappear from the desktop until the partition is restored.
Transferring the game cache manually via a file one manager
Many heavy games, such as PUBG Mobile or Genshin Impactstore the main resources (textures, models, sounds) not in the application body, but in a separate cache folder. Often this folder can be moved to a memory card manually, freeing up gigabytes of space without using complex system settings.
The standard path to the game cache looks like Android/obb/ or Android/data/ in the internal memory. You can create a similar folder structure on your memory card and move the contents there. However, modern versions Android 11 and higher restrict access to these directories to third-party file managers.
To bypass restrictions on new versions of the OS, it is recommended to use a file manager that supports operation in SAF (Storage Access Framework) mode or connect the phone to a PC. On your computer, you can freely copy folders with games to internal memory or to a card without access restrictions.
Manually moving the OBB and Data folders is the most effective way to free up space for specific heavy games if system transfer of applications is not available or transfers only the APK file itself.
Possible problems and their solutions
After When transferring games, users often encounter a number of problems, from decreased performance to complete refusal of applications to launch. The main reason lies in the difference in reading speeds: even fast microSD cards are inferior to the built-in memory UFSwhich leads to long loading times and slowdown of textures.
If the game stops working after transferring, try returning it back to the internal memory. In some cases, clearing the application cache after moving it helps. It is also worth checking the integrity of the memory card using utilities like SolidSaver or H2testw, since fake cards can cause data reading errors.
- 🐢 Long loading levels indicate a low card reading speed (class below 10).
- ❌ Crashes on desktop often occurs when the file system of an external storage device is damaged.
- 🔋 Increased battery consumption can be observed due to the constant activity of the memory controller when reading data from SD.
⚠️ Attention: Settings interfaces and transfer options may differ depending on the smartphone model and firmware version. Always check the menu items with the latest documentation for your device.
Frequently asked questions (FAQ)
Is it possible to move the game if the "Move" button is inactive?
Yes, this is possible through developer mode (forced permission) or using root access and utilities like Link2SD. You can also try transferring only the game cache manually.
Why did the game start to slow down after transferring to the card?
Most likely, the speed of your memory card is not sufficient for streaming game resources. The built-in memory of a smartphone is much faster than even the most expensive microSD cards.
Is it safe to use the card as internal memory?
It is safe for data, but the card will be tied to the phone. If it fails, it will be extremely difficult to restore data without special equipment, and applications will stop working.
How much space does the game itself take up after transfer?
Even after transfer, part of the data (approximately 10-20% of the total size) always remains in the internal memory, since executable files and system settings are stored there.
Do you need to format the card before transferring?
If you use the "Internal Memory" mode, then yes, formatting is required. For normal transfer of applications through the settings menu, formatting is not required; the card must be in exFAT or FAT32 format.