Owners of Xiaomi Redmi 8 often face a lack of built-in storage, especially in the basic versions of the device. MIUI operating system installed on the gadget takes up a significant part of the space, leaving the user a limited number of megabytes for personal needs. When the free space runs out, the phone starts to run slower, and installing new programs becomes impossible.
Fortunately, the Android architecture allows you to expand the available memory with a microSD card. However, simply inserting a drive is not enough to work properly. The default system considers the external media to be a place for photos and music, but not for installing programs. To change this behavior and make the phone use the flash drive as internal memory, you need to perform a number of specific actions.
In this guide, we will take a closer look at how to format a memory card into internal memory mode, explore the risks associated with this procedure, and explain why not all applications agree to move to external media, and learn how to properly prepare the device to avoid data loss and disruptions in the Redmi 8.
Preparation of memory card and smartphone for work
Before you start formatting, you need to make sure that your memory card meets the performance requirements. For stable application operation, it is recommended to use Class 10 and higher drives with a write speed of at least 20 MB / s. Using slow cards will lead to the fact that programs will run for a long time and can hang in the process.
Insert the microSD card into the appropriate slot of your Xiaomi Redmi 8. Usually the tray is combined, so make sure you correctly position the SIM card and drive. Once the device is turned on, the system will automatically detect the new media and prompt it to be configured. At this stage, do not settle for standard use as a portable storage if your goal is to install programs.
Back up all the important files on the memory card, and the process we're going to do next will completely destroy all the data on the drive, save the photos, documents and music to your computer or to the cloud so you don't lose them forever, and that's a critical step, because it's going to be extremely difficult to recover the data after formatting.
☑️ Pre-formatting verification
⚠️ Warning: Formatting a memory card into internal memory mode will tie it to a particular device, so you can't just insert that flash drive into another phone or computer and read the data without formatting it again.
Formatting a map as an internal memory
The main mechanism for installing applications on an external drive is called Adoptable Storage. In the MIUI shell, this feature can be hidden or operated in limited mode, so it is important to follow the instructions precisely. Go to the settings menu of your Redmi 8 smartphone and find the section responsible for storing data.
The path to the menu you want is usually: Settings → About Phone → Memory or Settings → Advanced Settings → Memory. In the list that opens, select your SD card. If the system offers you a choice of use, choose the option of “Internal Memory” or “Use as internal storage.” If there is no such item at once, click on three dots in the corner of the screen or menu button.
The system will warn you that all data will be deleted. Confirm the action and wait for the process to be completed. During the formatting, a special encrypted file system is created that only your Xiaomi understands. Once completed, the phone can reboot, which is normal behavior.
| Parameter | Portable storage | Internal memory. |
|---|---|---|
| Access to PC | There is. | No (no root) |
| Installation of applications | Limited. | Complete. |
| Device binding | No. | Yes. |
| Speed of operation | Depends on the card. | Optimized. |
Why not have an item called "Inner Memory"?
Setup of application installation by default
Once formatted successfully, you need to tell the system that new programs should be installed on extended memory. In the standard Android interface, this often happens automatically, but in MIUI, additional actions may be required. Go to the developer settings or special features if the standard path does not work.
Open the Settings section → Annexes → Application management. Here you can see a list of programs already installed. Select a heavy application that takes up a lot of space, click on it and find Memory. If the map is formatted correctly, there will be a button "Move to the memory". SD-You press it, you free up space in the internal storage.
Automatically installing new apps on a map sometimes requires the use of ADB (Android Debug Bridge), a debugging tool that allows you to type commands from your computer. Connect your phone to your PC, enable USB debugging, and type a command that will change the default installation site. But beware: the wrong commands can disrupt the system.
Not all apps support portability; software developers decide whether they can be installed on an external medium; system applications and important Google services always remain in internal memory to ensure the stability of the phone; therefore, it may not be possible to completely free the built-in drive.
Using ADB for Forced Transfer
If standard methods don't work, you can use a more advanced way through your computer, you'll need to install drivers for Xiaomi and Platform Tools, which allows you to bypass some of the shell limitations and force you to specify the path of writing data.
Connect your smartphone to your computer in debugging mode. Open the command line in the ADB tool folder and type the following command to check your connected devices:
adb devicesIf the device is determined, enter a command to change the default installation location:
adb shell pm set-install-location 2Here, 2 is the priority of the external memory card. 0 returns the default settings (automatic selection), and 1 makes you put everything only in internal memory. After you execute the command, restart Redmi 8 and try installing a new app from the store.
⚠️ Attention: Use of teams ADB Changing the system settings of the installation may cause some applications to stop updating or to work unstable when retrieving the card.
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If, after the command, ADB applications are not on the map, try to delete the application first, then execute the command and install it again. ADB It doesn't always work properly.
Possible problems and ways to solve them
During operation, there may be situations when the phone stops seeing the applications installed on the card, often due to file system damage or physical contact. If the program icons are gone or turned gray, try restarting the device. In most cases, MIUI automatically reconnects the drive at start.
Another common problem is the slow read speed of the record, which leads to crashes of games and heavy applications.In this case, it is worth checking the speed of your card using special test utilities, for example, A1 SD Bench. If the results are significantly lower than stated, the card is better replaced with a better model from a proven brand.
And sometimes, users will encounter a "Not enough space" error, even if there are a few gigabytes of free space on the card, which can be due to file system fragmentation, which can help format the card back to portable storage mode and re-format it to internal memory. Remember to save the data before doing this.
- 📉 The app crashes immediately after launch – try clearing the app’s cache or reinstalling it.
- 🔋 Increased battery consumption – background processes on a slow map can consume more energy.
- 📸 The camera does not save a photo – check if the card is full and has the right to record.
- 🔄 Updates are not installed – free up space in internal memory as temporary files are often required there.
Recommendations for memory maintenance
To extend the life of the memory card and stability of the Xiaomi Redmi 8, you should adhere to certain rules of operation. Do not fill the external drive completely. Leave 10-15% free space for the correct operation of the file system and writing processes.
Check the state of the drive regularly. Copy important data to your computer every few months and format it if you notice a slowdown. Physical integrity of the contacts is also important: periodically remove and paste the card, clearing the contacts from oxidation.
Use memory cards only from well-known manufacturers. The market is saturated with counterfeits that are labeled as 64 or 128 GB, but physically have a smaller volume. Such cards quickly fail and cause data loss. Buy equipment from trusted stores that provide warranty.
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Stability of the smartphone with applications on SD-The card is directly dependent on the quality and speed of the memory card class, and the savings on the drive will lead to the brakes of the entire system.