Owners of budget smartphones like the Xiaomi Redmi 9A often face a lack of built-in storage, with basic versions offering just 32GB, a significant portion of which is occupied by the system and pre-installed software, leading to constant notifications of overflowing memory and the inability to install new games or programs.
To make matters worse, modern apps are inflated with each update, with messenger cache, cached videos and maps taking up gigabytes of space, and users need to look for ways to optimize their gadgets to keep it running smoothly.
The best solution for Redmi 9A is to use a microSD memory card. In this article, we will discuss how to correctly transfer data, what are the limitations of the MIUI system and how to make a USB flash drive a full-fledged extension of internal memory.
Before you start manipulating files, you need to properly prepare the external drive. Poor-quality card can lead to data loss or malfunctions in the Android operating system. Make sure you use a trusted brand media with a speed class of at least 10.
The formatting process will destroy all data on the media, so copy important photos and documents to your computer or cloud storage beforehand. SIM-map.
Once installed, the system will automatically prompt you to configure the drive. If the notification does not appear, go to the settings menu. Find the About phone or Advanced settings section, then select Storage.
Your new card will appear in the list of available drives. Click on it and select Format. The system will warn you of the risks, confirm the action. Once the process is complete, the card will be ready to work as a portable storage.
⚠️ Warning: Do not remove the memory card while applications are running or video recording.This can damage the file system and cause loss of unsaved data.
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Use memory cards up to 512GB for the Redmi 9A, as more capacious media may run unstable or require additional exFAT formatting that is not always supported by the system.
The Android operating system in the MIUI shell has strict restrictions on installing applications. By default, the system prohibits installing programs directly on an external drive for security reasons.
To activate hidden features, unlock the developer menu. Go to Settings, select About Phone, and quickly click on the MIUI version seven times.
Then go back to the main settings menu and find Additional or Advanced Settings. In the list that opens, select Developer For. Scroll down to Apps.
Find the option Preferred Installation Site or Force allow apps on external. Activate this switch. This action will allow the system to suggest a choice of installation location for compatible applications.
It is important to understand that not all programs support portability, and that Google’s system components and important services must remain in internal memory to ensure the stability of the smartphone.
Once the developer mode is enabled, the portability process becomes available for most user applications. Open Settings and go to the Apps section. Select All Apps to see the full list of installed software.
Find a program you want to move, like a heavy game or a social network, and click on it to open the control page. If the application supports portability, you'll see an active memory button.
Inside the memory menu, you'll see your current location and the Change button. Click on it and select. SD-The system will move the application files and its data to an external medium.
If the Change button is inactive or not, the app developer has banned installation on external drives, in which case you can move only some data, such as photos or music, through the file manager.
Why can't some apps be moved?
Application developers often block installation on the SD-The external drives are slower than internal memory, which can cause the program to lag.-- 📊 How much memory is your Redmi? 9A?32GB64GB128GB I don't know / It doesn't matter if an app can't be ported in its entirety, you can free up space by moving its media files. Messengers like Telegram or WhatsApp allow you to change the way you save downloaded files. Open the settings of a particular application and find the Data and Storage section, point the way to the folder on the memory card, and all new images, videos and documents will be saved to the external drive, leaving the internal memory free for the system to work. For old files, use the built-in File Explorer. Select the documents that are unnecessary right now, click Move and select the directory on SD-It's an easy way to quickly free up a few gigabytes. There's a radical method that allows you to make a memory card part of your internal memory, but it requires caution. This is a process called Adoptable Storage. It formats the card so that the system considers it to be internal storage. To implement this method on Redmi 9A Often requires a connection to a computer and the use of debugging commands ADB. This is an advanced layer that can void warranty or cause data loss if you make a mistake. If you do, remember that once formatted, the card won't read on other devices without being completely reset. Portable storage option Internal storage (Adoptable) Access from PC Yes, no restrictions No, only from phone Application port Only with developer rights Automatic Data security Average high (encryption) Speed Depends on the card Requires a quick card (U3) ⚠️ Warning: Turning a card into internal memory significantly reduces its lifespan. Frequently writing and reading system files quickly wears out cheap memory cards. 💡Using a card as an internal storage device gives the maximum effect, but requires the purchase of an expensive class card. U3 or V30 After transferring data, it is important to regularly maintain the file system; fragmentation of files on the memory card can slow down applications; periodically check the drive for errors through the storage settings menu. Also monitor the temperature of the device. Actively writing data to a microSD can cause additional heat to the processor and memory controller. If the phone warms, let it cool down before continuing. Remember to back up important data from the memory card to the computer. External drives are less reliable than the built-in flash memory of the smartphone, and can fail at any time. Optimizing memory on Xiaomi Redmi 9A is a balance between convenience and performance. Proper use of the memory card allows you to use the smartphone comfortably even with a small amount of internal storage. The main rule is: keep the system and critical applications inside, and media files and heavy tablets can fail at any time. Competent file management is the key to comfortable use of budget gadgets. 💡Clean the Downloads folder in the file manager regularly. APK-Files and temporary documents that are no longer needed but take up space. Can you transfer system applications to a memory card? System Apps are highly discouraged and often impossible without obtaining Root rights. Attempting to force these components to move could result in a cyclical smartphone reboot or a complete system failure. System processes must remain in internal memory to ensure Android's stability. Why does the app run slower after the transfer? The speed of the application depends on the read/write speed of the drive. The built-in memory of the smartphone is usually faster than most memory cards. If you used a low-speed budget card, apps will take longer to load and may slow down. UHS-I What if your phone stopped seeing the memory card? Try rebooting the device. If that didn't work, remove the card, wipe the contacts with soft cloth and insert again. Check the card on another device. If the card is not read anywhere, it may be physically damaged or the file system is destroyed, which requires formatting or replacing the media. Will the progress in games be reset when transferred to the map? → Change. → SD-However, if you simply copy files through Explorer, no progress will be lost, but the system will not see the game as installed in a new place.