Owners of the popular budget smartphone Xiaomi Redmi 7 often face a lack of built-in storage. The basic version of the device offers only 32 GB of memory, of which the system and preinstalled services occupy a significant part, which leads to the inability to install new games or messengers, and slow down the interface.
Moving applications to an SD card frees up precious internal space and uses it for system needs. However, the standard MIUI shell doesn't always offer obvious tools to do this. You don't just need to insert the drive, you also need to configure it properly, making it a full-fledged extension of the device's internal memory. In this guide, we'll break down all the nuances of the process.
It is important to understand that not all programs can be moved completely. Some system components and heavy applications, such as navigation or banking clients, require storage in internal storage for security and performance. However, transferring media files, game cache and parts of user programs will give a significant increase in free capacity.
Selection and preparation of a memory card for Redmi 7
The first step is to purchase a suitable drive. The slot in Xiaomi Redmi 7 supports cards up to 256 GB, but for stable operation it is better to focus on proven brands like SanDisk or Samsung. It is important to pay attention to the speed class: Class 10 or higher (U1, U3) is required to install applications.
Using a slow map will lead to the fact that programs will run for a long time, and the interface can hang. Cheap Chinese counterparts often have overstated characteristics, which in reality turns into a loss of data. Before you start setting up, be sure to back up data from a flash drive on your computer, since the formatting process will completely destroy all information.
How to distinguish the original card from a fake?
Insert the card into the slot located on the bottom of the smartphone. Use the special paper clip included in the delivery to extract the tray. Make sure that the drive is defined by the system: notice of this should appear at the top of the screen.
Setup the map as an internal storage
Once installed, the system will suggest using it as portable storage or internal memory. To transfer applications, you need to choose the second option. This process is called Adoptable Storage. In some versions of MIUI, this option is hidden, and it may require the use of special commands or third-party utilities to activate it, but in most cases the menu is available in the standard interface.
Go to the settings menu and find the storage unit, and the system will warn you that the card will be formatted and encrypted, which means that once formatted, you can't just insert the flash drive into another phone or computer without re-wiring it, and that data will only be available to your particular Redmi 7 device.
☑️ Preparation for formatting
⚠️ Note: After formatting the card for internal memory, it will not be possible to recover data from it using standard methods.
The formatting process can take anywhere from a few minutes to half an hour, depending on the size of the drive. Don't interrupt the process or remove the card before it's finished. If the drive fails, it can become unreadable.
Instructions for porting applications
Once the map is formatted and integrated into the system, you can start migrating programs. Go to the settings section that displays a list of all installed programs. Select the application you want to move. Note that the transfer button may not be active for some system services.
Click on "Storage" inside the menu of the selected application. If the map is configured correctly, the "Change" or "Move" button will appear there. Select yours. SD-The system will transfer the program files and some of its data to an external drive.
- 📱 Open Settings and go to the Application section.
- 📂 Select the desired application from the list of all installed programs.
- 💾 Click on the Warehouse item and select the Change button.
- ✅ Confirm the transfer of data to the memory card SD.
Some games, especially heavy ones, may require additional cache transfers. This is difficult to do with standard MIUI tools, so users often use root file managers or special utilities to manage data paths.
Working with multimedia files and cachem
Even after the application is ported, the majority of the memory is often occupied by photos, videos and messenger files. The camera by default can continue to save pictures to internal memory. To change this behavior, go to the camera settings and select save on the camera. SD-This will allow you to immediately vacate the space after each shooting.
For instant messengers like WhatsApp or Telegram, media storage settings are inside the apps themselves. On WhatsApp, the path to database and media can be changed through a file manager by creating symbolic links, but this requires advanced skills, it is easier to clean the cache regularly or set up automatic uploads of photos to the cloud services.
| Type of data | Recommended seat | Impact on speed |
|---|---|---|
| System files | Internal memory. | High. |
| Applications (games) | SD card (Class 10+) | Average. |
| Photos and videos | SD card | Low. |
| Music and Documents | SD card | Low. |
Using a memory card to store a media library is the most effective way to combat space shortages, and you can store thousands of photos and dozens of movies without having to worry about filling the system partition.
Possible problems and solutions
Users may experience errors during operation, often the application stops opening or gives an error "Data is corrupted", which may mean that the memory card is unstable or has broken sectors, in which case, try to remove and insert the drive again, after turning off the phone.
Another common problem is the appearance of duplicate files or the inability to find transferred data in the gallery, this is solved by restarting the media scanner or re-scanning the paths in the file manager. Also make sure that there is enough free space on the map, as overflow can cause malfunctions in the entire system.
⚠️ Warning: If your phone stops seeing the memory card after you port the apps, don't rush to format it again. Try connecting the phone to your PC and check the file system for errors.
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Use Files by Google to quickly clean up your garbage, and it safely removes temporary files and duplicates, freeing up space without risking damage to the system.
If neither method works, it’s possible that the memory card is physically faulty or incompatible with your Redmi 7’s memory controller.
Optimization of the smartphone with external memory
To maximize performance, it is recommended not to fill the memory card completely, leave at least 10-15% of free space, this will allow the system to effectively manage files and prolong the life of the drive, fragmentation of data on crowded cards significantly reduces the speed of reading and writing.
Check the status of the card regularly through the storage settings, which displays the amount of space occupied and the speed of work, and if you notice a big drop in speed, it may be time to replace the drive with a more modern and faster one.
- 🚀 Don’t map critical applications you use all the time.
- 🔄 Once every six months, back up data from card to computer.
- 🛡️ Avoid sharp card extraction while recording data.
Competent memory management makes a budget smartphone into a convenient tool for everyday tasks. Xiaomi Redmi 7 with a correctly configured memory card can last much longer, pleasing stable operation and the availability of space for new applications.
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Using a fast memory card of class U3 allows you to almost completely eliminate the difference in application loading speed between internal and external memory.