Owners of the popular Xiaomi Redmi 8 budget model often face a critical lack of built-in storage. The basic version of the smartphone offers only 32 or 64 gigabytes, a significant part of which is occupied by system files and preinstalled software, which limits the ability to install new games and accumulate multimedia content.
Fortunately, the device is equipped with a hybrid slot that allows you to use a microSD up to 256 GB. Proper distribution of data between internal memory and external storage allows you to significantly extend the comfortable life of the gadget without buying a new model.
The process of transferring information is not trivial, since the MIUI operating system has its own features of working with a file system, and in this guide we will discuss in detail all available methods of data migration, from standard tools to the use of file managers.
Preparation of external storage device for work
Before you start manipulating files, you need to make sure that the memory card is properly installed and formatted.Insert the microSD into the slot, pre-turning off the smartphone or using the hot replacement feature if it is supported by the current version of the firmware.
Once you find a new medium, the system will suggest you configure it. To use it as an additional storage for photos and videos, select "Use as portable storage" mode, which will make it easy to retrieve the card and connect it to the computer.
If you plan to install an application on a map, you will need to use as internal storage mode, in which case the drive will be formatted into a special file system and encrypted, which will make it unreadable on other devices without unlocking.
Pay attention to the speed of writing the card, as this depends on the speed of the system. For comfortable work with Android, it is recommended to use Class 10 or UHS-I drives.
- π± Make sure the contacts on the memory card match the contacts in the phone slot.
- πΎ Save important data from card to computer before formatting, as all files will be deleted.
- π Check the battery power of the smartphone, it should be at least 50% to avoid failures in formatting.
- π§Ή Clean the card of junk files if it was previously used in another device.
β οΈ Warning: When you select the Internal Storage mode, the memory card is tied to a particular instance of the smartphone, and you can't just move it to another phone and read the data without completely resetting it.
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Transfer photos and videos through settings
The easiest way to free up space is to move the media content created by the camera. The standard MIUI shell allows you to change the default save path, but already shot videos and pictures will have to be manually transferred.
Go to the Gallery app, select Camera or any album containing heavy files, select the necessary media with a long press, then click More and select Move.
In the navigation window, indicate the path to your SD-You can create a new folder, like this, "Archive_2026", The copying process will take time depending on the amount of data and the speed of writing the drive.
Once the operation is complete, it is highly recommended to check the files on the card by opening several of them. Once you are sure of the integrity of the data, you can delete the originals from the internal memory of the device.
βοΈ Checking media transfer
Alternatively, you can use the built-in Explorer app, where you can do mass operations on files of all types, including documents and downloads, and the interface allows you to easily switch between storages.
Using a File Manager for Migration
For more subtle file management, a regular Explorer may not be enough, and experts recommend installing a third-party file manager, such as Total Commander or Files by Google, which provide advanced directory capabilities.
With the help of an advanced manager, you can find hidden application folders, browser cache and other system logs that take up space.
It is important to understand the structure of Android directories. /Android/data/ contains application data, and you need to move files from there with caution. Some programs may stop working correctly if you change the path to their configuration files.
| Type of data | Default location | Where to move | Risks. |
|---|---|---|---|
| Photos and videos | /DCIM/Camera | /SD Card/DCIM | Minimum |
| Downloads. | /Download | /SD Card/Download | Absent. |
| Documents | /Documents | /SD Card/Documents | Low. |
| Cash messengers | /Android/media | Not recommended | High (software failure) |
β οΈ Note: Do not try to port system folders such as /system or /data, This can lead to a cyclical reboot of the smartphone or complete loss of data.
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To quickly sort files by size, use the Sort function in the file manager to instantly find the heaviest files that occupy space in internal memory.
Transfer applications to memory card
The issue of installing applications on an external drive in Xiaomi Redmi 8 is solved ambiguously. Since Android 6.0, Adoptable Storage has appeared, but manufacturers often block it or hide it in the settings.
If the menu of the application settings does not have a button "Move to" SD-So the software developer has banned this action, and many of the programs that we have today require high read speeds that conventional cards can't deliver.
However, some applications, especially cache games, can be migrated. Go to Settings β Apps β All apps, select the program you want, and find Memory. If the button is active, the system will allow you to change the location.
There is also a method using ADB (Android Debug Bridge) via a computer that forcibly activates the transfer capability, but this method requires a PC, cable and basic command line knowledge, which can be difficult for an inexperienced user.
- π Map-to-map transfers could slow down heavy-duty applications launches due to microSD's slower read speeds.
- π When resetting your phoneβs settings, the data of the displaced apps will be lost if you donβt back up.
- π± Not all widgets and services work correctly when placed on an external medium.
- π After updating the operating system, portable applications may require reconfiguration.
Automation of data retention
To avoid manually transferring files every time, it is advisable to set up automatic saving of new data immediately to the map, this applies not only to the camera, but also to the voice recorder, screenshots and downloads from the browser.
In the camera settings, find the item "Save to the SD-Now all new images and videos will be fed directly to the external drive, leaving the internal memory free for the system to work.
For Chrome browser or built-in bootloader, you can change the path in the settings of the application itself. Find the Downloads section and specify the folder on the app. SD-This is especially true for people who download a lot of videos or documents.
Messengers like Telegram or WhatsApp also allow you to change the way you save media files. Telegram does this through Settings β Data and Memory β The Path to Files.
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Automatically saving new files to a memory card is the best strategy to prevent internal storage from overflowing in the future.
Cleaning and optimizing storage
After transferring the main data sets, it is recommended to audit the remaining files, which may leave temporary files, copies of updates and remnants of deleted applications in the system.
Use the built-in Cleanup utility in the Security app, which will analyze the system and suggest that you delete obscure files, cache and duplicates, which is a safe way to free up a few more gigabytes.
Also worth checking is /Bluetooth and /MIUI, which often accumulate transferred files and error logs. Regularly cleaning these directories helps keep the Xiaomi Redmi 8 running at a high level.
Remember to check the status of the memory card regularly. File systems tend to fragment, which over time reduces the speed of writing. Periodic formatting (after saving the data on the PC) returns the original speed.
Can I use a memory card from an old phone without formatting?
Why canβt the phone see the memory card after transferring the files?
Does the transfer of applications to the card affect the operation of the phone?
What is the maximum card size of Redmi 8?
β οΈ Warning: Never remove a memory card while writing data or running applications that use its resources, and this is guaranteed to damage the file system and lose information.