Xiaomi’s smartphones are known for their excellent value for money, but even powerful devices are slowing down over time. The main reason for the performance drop is often built-in storage overflow. Android is overgrown with temporary files, app cache and duplicate photos, which leads to notifications of space shortages.
Redmi and Poco owners face this regularly, because the MIUI or HyperOS shell has its own file system features. Memory cleaning is not just about removing old photos, but a comprehensive approach to servicing the gadget. If you ignore the overflow, the phone can start to freeze, applications will fly out, and the camera will stop running.
In this article, we’ll look at all the ways you can free up space, from built-in tools to manually removing system debris, learn how to manage your storage properly so that your smartphone flies as fast as the first day after you buy it, and don’t be afraid to delete the extra if you know which files are really important to the system.
Analysis of vault occupancy
Before we start taking radical measures, we need to understand what exactly takes up precious gigabytes. MIUI It offers a user-friendly, built-in analyzer that visualizes data. Go to the Settings menu. → Memory to see a detailed diagram of file distribution, and here you'll immediately notice which categories consume the most resources.
Often the lion's share of space is occupied by multimedia: photos, videos and voice messages from instant messengers. System files can also grow, especially if you haven't updated your firmware in a long time or installed a lot of heavy games. It is important to distinguish user data from system data so that you don't accidentally delete critical components.
Note the “Other” section, which often gets streaming cache and temporary download files. Android doesn’t always sort that data correctly, so manual verification won’t be superfluous. Understanding the memory structure will help you avoid situations in the future when your phone is locked due to space shortages.
Use of the built-in Security application
The easiest and safest way to start cleaning is to use the standard Security app, which is preinstalled on all Xiaomi smartphones.It has a built-in Cleanup module that scans the device for temporary files, remnants of deleted applications and advertising debris, which takes only a few seconds to launch.
After scanning, the system will suggest that you delete the files you found, but be careful: sometimes useful data that you planned to save will be included in the list. Clearing the cache through this menu is safe for applications to work, but may lead to the fact that you will have to re-authenticate in some services or download news feeds.
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Run a deep cleanup through the Security app at least once a week to keep the system on track.
The app also has a feature called Acceleration, which closes the background processes and frees up RAM. This doesn't increase the physical storage capacity, but it helps you run heavy applications without lags. Regular use of these tools is basic hygiene for any Android device.
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The standard Security app only deletes temporary files, your personal photos and documents remain intact.
Manual cleaning of cache and application data
If the automatic tools didn't free up enough space, you'll have to manually clean up. Most of the space is usually taken up by social networks and messengers: Telegram, WhatsApp, VK, YouTube. These apps accumulate a huge number of media files that are stored in their internal memory. To get to them, go to Settings → Apps → All applications.
Select the app from the list and click on Memory. Here you will see two buttons: Clear cache and Clear all (or Reset) Clear all data completely deletes correspondence and logins, so use this feature only if you are sure that your accounts are safe. Clearing the cache is safe and only deletes temporary files.
Why does the cache take up so much space?
The Gallery app deserves special attention. If you delete photos in an album, they often end up in a cart that keeps them for another 30 days. Don't forget to clear this section to make room for the rest of the time. Also check your download settings in instant messengers: it's often worth noting that you automatically save photos and videos to the gallery.
Removal of duplicates and large files
Over time, files accumulate in your smartphone memory that you no longer need but have forgotten about them, such as old.apk installation packages downloaded from your browser, or duplicate photos taken by different camera applications. It is convenient to use a built-in file manager or third-party snails to find such heavyweights.
The standard File Explorer has a category called Big Files. By sorting the content by size, you can quickly find forgotten 4K videos or archives that are dead weight. Deleting one such file can free up more space than cleaning the cache of a dozen small applications.
☑️ Duplicate check
It's also worth checking the DCIM folder for screenshots. We often take screenshots to keep the information in mind, but then forget to delete them. Screenshots and screen recordings can take up a significant amount of time, especially if you're actively using your smartphone for work or study.
Working with cloud storage and SD-card
Modern smartphones rarely feature a memory card slot, so owners have to rely on cloud technology. Services like Google Photos, Yandex.Disk or Mi Cloud allow you to store media files remotely. By setting up automatic synchronization, you can safely delete the original photos from the device, leaving them only in the cloud.
Google Photos’ “Free Space” feature automatically removes images and videos that have already been successfully uploaded to the cloud from your device, ideal for those who like to take a lot of photos but don’t want to sacrifice quality, and the key is to have stable access to the Internet to view such files.
If your Xiaomi device has a MicroSD slot, use it to transfer rarely used data. In the storage settings, you can choose to format the card as an internal drive, which will allow you to install applications on it. However, the speed of memory cards is usually lower than that of the built-in flash memory, so it is not recommended to run heavy games from the card.
Comparison of Memory Cleaning Methods
The choice of cleaning method depends on your specific situation: whether you need to release a couple of megabytes urgently or you are planning a general cleaning. Below is a table that will help you navigate the effectiveness of different methods and their impact on user data.
| Method | Efficiency | Security of data | Difficulty |
|---|---|---|---|
| Security Annex | Low/Mediocre | Tall. | Low. |
| Cleaning up the app cache | Medium | Tall. | Medium |
| Photo/video deletion | Tall. | Requires a reserve. | Low. |
| Reset to factory settings | Maximum | Complete removal | Tall. |
As you can see from the table, radical methods give better results, but carry risks. Resetting puts the phone back out of the box, removing everything, including contacts and messages, if you don't have a backup. Use this method only as a last resort when other methods have exhausted themselves.
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Before any large-scale deletion of files, back up important data to your computer or the cloud.