Owners of Xiaomi, Redmi and Poco smartphones often face a shortage of internal storage, especially if the base model has only 64 or 128 GB. Built-in memory is quickly filled with multimedia files, messenger cache and heavy games, which leads to a slowdown.
But the standard MIUI or HyperOS shell has its own external drive features, and unlike older versions of Android, modern systems require finer adjustments to correctly transfer data, and it's important to understand that just inserting the drive is not enough - you need to properly configure the ways of saving and, in some cases, change the system parameters.
In this tutorial, we will explain in detail how to make your smartphone save all new files immediately to an external drive. You will learn about the nuances of formatting, transferring existing archives and the features of applications with extended memory.
Preparation of memory card and primary formatting
The first step is to physically install the module and initialize it with the system.Put the microSD card into the smartphone tray, careful not to damage the contacts. Once the device is turned on, the system usually automatically suggests formatting the drive, but it is better to manually perform this process through the settings for full control.
Go to Settings โ About Phone โ Storage (some firmware versions may have different paths: Settings โ Memory). Find your memory card in the list and select the formatting option. Here lies the important point: the system will suggest you choose the type of use โ as portable storage or as internal memory.
- ๐ Portable storage โ a standard mode that allows you to store photos, music and documents that are readable on other devices.
- โ๏ธ Internal memory is a mode in which the system encrypts the card and uses it as an extension of the system partition (available on not all models).
- ๐ Compatibility โ Portable Mode provides better compatibility when transferring files to PCs without data loss.
โ ๏ธ Attention: The formatting process will completely destroy all the data on the card. If there are important files on the drive, pre-copy them to your computer or to the cloud storage.
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Use speed class memory cards UHS-I or UHS-II Cheap cards can run slowly, causing interface friezes when writing. 4K-video.
Configure the ways of saving for the camera and gallery
Once formatted successfully, standard applications need to be reconfigured to write data to an external medium by default, starting with the system camera, which consumes the most space when shooting actively. In modern versions of MIUI, this setting is often hidden in the depths of the menu or depends on the version of the application.
Open the Camera app and click on the menu icon (three bars or gears). SD-If this option is not in the standard menu, your shell version may not support automatic portability and you will need to use third-party file managers.
For System Gallery and bootloader, settings may be in the general system menu. Go to Settings โ Applications โ All applications, find Downloads or Files and check storage settings. In some cases, the default path changes globally through the engineering menu or special commands, but for most users, settings in the applications themselves are enough.
Transfer of existing files and folders
Set up new ways to save files does not move old files automatically, so to free up internal memory, you need to manually or semi-automatically transfer the already accumulated content, which is ideal for a standard File Manager, preinstalled in the system.
Open the conductor and go to the internal storage. DCIM (Photos and video from the camera), Download (downloads from the browser), MIUI/Gallery (Screenshots and edits. Select the files you want, click Move or Copy, and then select the root directory or create similar folders on the SD-map.
- ๐ธ DCIM/Camera โ It is best to move all archival photos and videos here.
- ๐ต Music and Audio โ Music files and voice recordings.
- ๐ Documents - documents, PDF-files and archives downloaded from messengers.
Transfer only user-generated content: media files, documents and downloads, and the folder structure on the new map must be logical, so that it is easy to find the right one in the future.
Installation of applications SD-map: myths and reality
One of the most common questions concerns the portability of the apps themselves (APKs) to an external drive. In modern versions of Android (starting with 6.0 and up) and MIUI shells, this feature has been significantly limited by the developers of Google and Xiaomi for the sake of system stability and data security.
Technically, you can only transfer applications whose developers have explicitly indicated in the program manifest that you can install them on an external medium. In the list of installed applications (Settings โ Applications โ All Applications), the Move button will only be active for compatible software. For most heavy games and system services, this button will not be available (gray).
| Type of application | Possibility of transfer | Risks and characteristics |
|---|---|---|
| System services | Impossible. | Critical for operating system, transfer is prohibited |
| Social media | Partially. | Cash can be moved, but the app will remain inside. |
| Games | Rarely. | High reading speeds, possible lags |
| Office software | Maybe. | Safe transfer, minimal impact on speed |
โ ๏ธ Attention: Attempts to force applications to move through ADB-commands or root rights can lead to unstable smartphone operation, as the reading speed SD-Cards are much lower than the speed of internal memory UFS.
Why Xiaomi restricts the installation of apps on the map?
Use of the card as internal memory (Adoptable Storage)
There's a mode that allows you to combine your internal memory and your card into a single space, called Adoptable Storage, which is normal in pure Android, but in MIUI, it's often hidden or removed by the manufacturer, and if your smartphone supports this feature, it will prompt you to format the card as "Internal Storage" when you first install it.
When you choose this mode, the card is encrypted and linked to a particular device, and you can't take it out and paste it into another phone without losing data, because it requires formatting, and that makes the external drive an integral part of the system.
If there is no standard menu, you can try to activate the function through the computer and debugging. USB. This will require you to enter the command in the console. ADB:
adb shell sm set-force-adoptable trueOnce you have the command, you need to restart the smartphone, re-insert the card and try formatting it through the storage settings, but it is worth considering that on new models of Redmi and Xiaomi with Snapdragon processors, this feature can be blocked at the kernel level, and the command will not have an effect.
โ๏ธ Pre-formatting verification
Possible problems and solutions
During operation, situations may arise when the smartphone stops seeing the card, files are not saved or an error appears ยซSD-It's corrupted. Most often it's a file system or a physical contact. If the phone can't see the drive, try removing it, erasing the contacts, and pasting it again before you click.
A common problem is the file system. Android works best with FAT32 (for cards up to 32 GB) or exFAT (for cards up to 64 GB). If the card is formatted with NTFS (Windows standard), the phone can see it, but can not write data to it without special drivers or root rights.
- โ Formatting error โ try formatting the card on your computer to exFAT before installing it on your phone.
- โณ Slow operation โ the card has a low speed class, replace it with a model marked A1/A2.
- ๐ Protection against recording -checkHave a physical Lock switch on the card adapter (if used).
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If the phone constantly gives out a memory card error, even after formatting, chances are the drive is physically worn out or has a fake volume.