When a Xiaomi smartphone suddenly reports a lack of space to install an app or save a photo, it is puzzling, especially if there are several gigabytes of free storage. Users often face the paradox: the system claims that the memory is full, although the settings show the opposite. This is a common problem associated with the features of the Android operating system and the shell MIUI or HyperOS.
Internal resource allocation logic sometimes blocks the recording of new data even when physical space is available, and it can be caused by reserved system partitions, crowded cache, or errors in the Google Play Store service. It is important to understand that an error message is only the tip of the iceberg, and solving the problem will require a comprehensive approach to cleaning and diagnosing the device.
Don’t ignore these warnings, as a constant lack of free space can lead to performance, interface freezes and the inability to update mission-critical applications. In this article, we will discuss specific steps that will help return the phone to work and make room for your files.
Analysis of the occupied space in the storage
The first step should always be to diagnose in detail what exactly is being clogged. Xiaomi’s standard tools provide enough information but often hide details in the submenu. Go to Settings → Phone → Storage to see the visualization of the occupied volume. It’s important to pay attention not only to the total volume, but also to the categories “Other” or “System data”.
It often turns out that the lion's share of space is occupied by messengers like Telegram or WhatsApp, which have been accumulating media files for years. These applications create their own folders, which a standard analyzer can incorrectly classify. Cache data can grow to tens of gigabytes if not cleaned in time.
Use Xiaomi’s built-in Security app, which has a special Cleanup section that analyzes content and suggests deleting temporary files, but be careful: Auto-cleaning sometimes removes the right thumbnails or application logs that you might need to diagnose.
- 📱 Check the “Apps” section in the settings and sort them by size.
- 🗑️ Pay attention to the Download folder and DCIM for the forgotten video.
- 📦 Learn the Cache Size in Heavy Gaming and Social Media.
⚠️ Note: Do not delete files with the.obb or.data extension manually through the file manager unless you are sure of their purpose.This will cause the games to stop running and require re-downloading resources.
Cleaning the cache and temporary files of the system
The most common cause of the “memory deficiency” error is system cache overflow. These are temporary files that speed up applications, but over time can become corrupted or take up a critical amount. Cleanup can be done through the Recovery menu or standard means. First, try Settings → Apps → All applications.
Find the Explorer or Downloads app in the list and click Clear. It's also worth checking out Google's services. In some cases, cleaning up the Google Play Store's own data helps. To do this, find it in the list of apps, select Memory, and click Clear Cache and Erase Data. This is secure and won't delete your purchased apps.
If standard methods don't work, you can use a deeper cleaning method through the engineering menu, but that requires caution.A simple restart of the phone also often solves the problem, as the system deletes temporary files created during the current session of work.
☑️ Checklist for quick cleaning
After these steps, the amount of free memory may not change immediately; it takes a few minutes for the system to recalculate the indexes of the file system; if the error message persists, the problem may lie deeper in the logical errors of the file table.
Removal of residual files and debris
When you delete Android apps, they often have tails — folders with settings, logs, and time data — that can be stored in the root directory on Xiaomi smartphones, and that are best found using specialized tools like Files by Google or a built-in storage analyzer.
Note the folders with the names of applications that have been deleted for a long time, and the.tmp,.log and old.apk installer files are also considered garbage, and deleting them is completely secure and frees up valuable megabytes.
| File type | Where to find | Can be removed | Risk |
|---|---|---|---|
| .apk | Download folder | Yes. | No. |
| .tmp | Root of the system | Yes. | Low. |
| thumbnails | DCIM/.thumbnails | Yes (will be created again) | Slow gallery |
| tencent | Android/data | Careful. | Loss of correspondence |
Pay special attention to the Android/data folder, which stores game and application data, and only delete the contents of this folder if you are sure that you no longer need the app or want to reset it to factory settings, otherwise you may lose progress in games.
Why is the Other folder so big?
Working with multimedia in messengers
Messengers have become the main memory eaters on modern smartphones. Telegram, WhatsApp and Viber by default store all received photos and videos in the phone gallery. This leads to duplication: the file lies in both the chat and the shared gallery, occupying space twice.
To fix this, you have to go to the settings of each messenger. In Telegram, this is the Data and Memory section → Memory Use. You can limit the size of the cache and set up automatic cleaning, for example, set a rule: "Storage media for 3 days", which will free up gigabytes of space.
On WhatsApp, the situation is similar: go to Settings → Data and Storage. Turn off automatic saving to the gallery. Also, inside chats, you can find the Storage section, where apps show which dialogues take up the most space and allow you to selectively delete media.
- 🚀 Enable autodelete the cache in Telegram settings.
- 📵 Turn off auto-save media in gallery for all chats.
- 🧹 Regularly use the built-in cleaning in the "Storage" section of the messenger.
⚠️ Before mass cleaning of messengers, be sure to back up chats to the cloud (Google Drive) so as not to lose important correspondence irrevocably.
Resetting and extreme measures
If none of the above methods worked and the phone continues to claim that the memory is occupied, it may be that the file system is damaged or that a critical spreadsheet error has occurred, in which case the most effective, albeit radical, method is a complete factory reset.
Before you do this, make sure to save all your important data to your computer or the cloud. The reset process will delete everything: contacts, photos, apps and settings. It is done through the Settings menu → About the phone → Reset → Erase all data.
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Before resetting the settings, take out SIM-microSD card and memory card so you don’t accidentally format them with your phone.
Once reset, the phone will return to a store-like state, the memory error should disappear, and if the problem persists even on a clean device without installed applications, it may indicate a physical malfunction of the memory module, which requires contacting a service center.
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Full reset is the only way to ensure that you eliminate file system software errors if other methods are powerless.
Prevention of memory overflow
To keep the problem of insufficient memory from returning, you need to develop a habit of keeping an eye on the storage, try to keep at least 10-15% of the total memory free, which is what the system needs for normal operation of swap files and temporary operations.
Use cloud services like Google Photos or Yandex.Disk to automatically upload and delete local copies, allowing you to store thousands of photos in the cloud without taking up space on your device.
Check the installed list regularly, at least once a month, and often we put one-time programs and forget about them, and they continue to hang in memory and update in the background, consuming resources.