Owners of the Redmi 6A smartphone often face the problem of lack of built-in storage, since the basic version of the device has only 16 or 32 GB of memory. After installing the MIUI operating system and mandatory system updates, the user is left with very little free space for personal needs, which leads to the inability to install new programs, update existing ones and even crash messengers due to overflow of cache.
Fortunately, this model supports microSD card installation, which theoretically allows for more device capabilities. However, the standard Android interface and Xiaomi shell do not always allow you to simply move games and software to an external drive. The system often blocks this feature, leaving only the ability to store photos and music free. In this article, we will discuss how to circumvent these limitations and make the most of available space.
There are several ways to solve the problem, from using built-in developer functions to using third-party software. It is important to understand that transferring system applications can lead to unstable device operation, so all actions you perform at your own risk. We will look at safe ways to optimize memory that will help extend the life of your gadget without having to replace it.
Preparation of memory card and device
Before you start manipulating the file system, you need to make sure that your memory card meets the requirements of speed and volume. For the comfortable operation of applications running from an external drive, it is recommended to use cards of Class 10 or higher (U1, U3). Slow cards can cause lags in the interface and long loads of programs.
Insert the card into the smartphone slot and wait for notifications of the connection of the new media. MIUI system usually suggests formatting the card as "Portifical Storage" or "Internal Storage". For our purposes, it is better to choose the first option for accessing files from other devices, although the second option also has its advantages in the context of memory expansion.
- 📱 Make sure your phone is at least 50% charged to avoid turning off during formatting.
- 💾 Back up important data from your memory card, as the formatting process will completely delete all files.
- 🔍 Check the card for errors by connecting it to your computer through the card reader before installing it in your phone.
After preparation, you need to activate the hidden features of the system. Go to the Settings menu → About your phone and start quickly clicking on the MIUI version seven times in a row. You will see a pop-up notification that you have become a developer, which will open access to the engineering menu, where the key settings for memory management are located.
Activation of the developer mode and memory settings
To allow applications to be installed on an external drive, you need to change a special setting in the developer menu. This method does not require root rights, but its effectiveness depends on the version of the Android firmware installed and the MIUI shell. On some versions, this feature works normally, on others, it requires additional actions.
Go to the Settings section → Advanced settings → For developers, scroll down to the Apps block, find "Preferred Installation Site" or "Default Device Write." Change the value from "Inner Memory" to "Inner Memory «SD-card" or "external drive».
When you change the settings, you need to restart the device, but it’s worth noting that modern versions of Android (starting with 7.0 and up) often ignore this setting for system applications for security and stability reasons, in which case you will only move some of the user software that supports this feature.
⚠️ Attention: Changing the developer settings may affect some of the phone's features. If you notice strange system behavior, return all settings to default values.
Use of the Memory function in MIUI settings
The MIUI shell has a built-in storage management tool that allows you to move individual applications if the developer has provided such a possibility, and it is the most secure and standard method that does not require third-party software.
Open the Settings. → Memory. Here you'll see a detailed diagram of space usage. Click on "Applications" or "Applications occupied." In the list, select the program you want to move. If transfer is possible, click "Move to" SD-The map will be active.
☑️ Verification of portability
Unfortunately, many popular apps like Telegram, Instagram or WhatsApp do not allow full porting to an external medium by default; they can only move part of their data, leaving the main executable file in internal memory, a limitation made to speed up the start of programs, since the read speed of the internal memory is higher than that of the microSD card.
However, even partial porting of major games and graphics editors can free up several hundred megabytes, which is a significant indicator for Redmi 6A. Check this list regularly, as after app updates, the portability may appear or disappear.
Application of third-party utilities for transfer
If standard methods don't work, you can use specialized applications from Google Play, and one of the most popular tools is App2SD or its analogues, which scan the device and show which apps can and can't be moved.
The utility works in conjunction with system permissions. Once installed, start scanning. The program will offer to move available applications with a single click. There is also a feature called "Intelligent Transfer", which automatically moves new applications to the memory card immediately after they are installed.
| Name of utility | Type of access | Functional | Advertising |
|---|---|---|---|
| App2SD | No Root. | Memory transfer, monitoring | There is. |
| Files by Google | No Root. | Clearing cache, managing files | No. |
| Link2SD | Demands a Root. | Full portability of system applications | There you are (in free version) |
| SD Maid | No Root/Root | Deep cleaning, database management | There is. |
It is worth considering that using such programs does not guarantee 100% success for all applications. Some of the system limitations of Android cannot be avoided without obtaining superuser rights (Root).
Why can’t some apps be moved?
Formatting a map as an internal memory
There's a more radical method that allows you to combine your phone's internal memory and your memory card into a single space, a feature called Adoptable Storage, which encrypts your card, and it becomes an integral part of your phone, and without that card, your phone won't be able to function properly.
To activate, go to Settings → The vault, choose yours. SD-Click on the menu (three dots) and select Storage Settings. Then select Internal Memory. The system will warn you that all data will be deleted and prompt you to move the data now or later.
This method is ideal for Redmi 6A with a small amount of internal memory, as it allows you to install large games and applications that previously did not fit. However, the speed of the phone can be reduced if the memory card does not have a high write speed (A1 or A2 is recommended).
⚠️ Note: Once you format the card as internal memory, you can't just pull it out and paste it into your computer.
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Use memory cards labeled A1 or A2, which guarantee minimum random access speeds, which are critical for applications running from an external drive.
Cache cleanup and storage optimization
Even after transferring applications, it is important to maintain the system regularly, garbage files accumulate very quickly, especially on social networks and browsers, and MIUI has a built-in Security app that helps delete temporary files.
Run the Security app and select Clean up. The system will update the device and suggest removing unnecessary files. Also go to the settings of individual heavy apps (like YouTube or TikTok) and clean their cache manually if automatic cleaning didn't help.
Regularly deleting old messages in instant messengers, cleaning the Downloads folder and removing unused applications are simple habits that will help the owner of Xiaomi Redmi 6A not face the problem of space shortage for a long time.
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A comprehensive approach, including application portability, cloud storage for photos and regular cache cleaning, allows you to increase free space by 40-50%.