Brand smartphones Realme have earned popularity due to the balance between performance and affordable price, but even powerful hardware can slow down over time. One of the main reasons for slow performance and sudden lack of free space is the accumulation of temporary files, known as cache. This is data that applications save to speed up launch and work, but over time they turn into digital garbage, taking up gigabytes of precious memory.
Users often encounter a situation where the phone begins to slow down when switching between windows, and notifications about lack of space appear at the most inopportune moment. In such cases, competent clearing the cache becomes not just a way to free up space, but a necessary procedure to restore system stability. In this article, we will look in detail at all the available methods for deleting temporary files on Realme devices running the shell Realme UI based on Android.
It is important to understand the difference between clearing the cache and completely resetting the data. Many Realme owners confuse these concepts for fear of losing personal photos or contacts. We'll explain how to safely delete temporary files without affecting your personal information, and look at the system's built-in tools that make this process as simple and effective as possible, even for beginners.
What is the cache and why it needs to be deleted on Realme
The cache is an area of memory allocated for storing intermediate data. When you open an application for the first time, the system loads all the necessary resources from disk, which takes time. When restarted, application takes this data from the cache, which happens instantly. However, over time, these files become outdated, conflict with new versions of apps, or simply take up space with unnecessary copies.
On smartphones Realme with a shell Realme UI cache accumulation can occur especially intensively due to the aggressive operation of background processes and pre-installed services. This means that even with a memory card, the internal storage quickly fills up. Regular cleaning allows you not only to free up space, but also to correct errors in the operation of the software, when old cached content interferes with the correct display of new data.
⚠️ Attention: Clearing the cache deletes only temporary files. Your logins, passwords, photos, contacts and installed applications will remain intact. Do not confuse the Clear Cache button with the Erase Data button, which completely resets the application to its factory state.
There are several types of cache that you may encounter. These are the system cache, individual application cache and browser cache. Each of them affects the operation of the device in its own way. For example, a full browser cache can slow down page loading, and errors in the messenger cache can lead to messages not being received or images not being displayed. Understanding the data storage structure helps you choose the right cleaning method for a specific problem.
If your Realme app crashes immediately after launch, try clearing its cache rather than deleting the app completely. In 80% of cases, this solves the problem of failures.
Using the built-in Phone Manager application
The easiest and safest way to put your phone in order is to use a standard tool from the manufacturer. Each smartphone Realme has a pre-installed application Phone Manager (Phone Manager), which automatically scans the system for junk. This tool is optimized specifically for the version of Android installed on your device, which minimizes the risk of deleting important system files.
To start the cleaning procedure, find an icon on the desktop with the name Phone Manager or Phone Manager. It usually has a green icon with a shield or lightning bolt. When launched, the application automatically begins scanning the system, checking security, battery health and, most importantly for us, the amount of junk used. The analysis process takes from 10 to 30 seconds, depending on the number of installed apps.
After the scan is completed, you will see a button Clean or Junk cleaning. Clicking on it will start the process of deleting temporary files. The system will show how much space will be freed up after the procedure. It is important to note that the built-in tool often offers to remove not only the application cache, but also residual files from uninstalled apps, empty folders and advertising junk.
☑️ Quick cleaning algorithm
Should you trust the built-in cleaner? In most cases, yes. Algorithms Realme are smart enough to distinguish the desired cache from harmful garbage. However, if you want to do a deep clean, pressing a button may not be enough. In this case, you will need to manually check the categories of files that the manager suggests deleting to make sure that there is no temporary data that is important to you, for example, draft documents.
Manually clearing the cache of specific applications
Sometimes global cleaning does not solve the problem with specific software. For example, if Instagram or Telegram do not work correctly, it makes sense to clear the cache point by point. This allows you to save settings and chat history, but delete accumulated temporary files that can cause crashes. This method takes a little more time, but gives full control over the process.
To perform this operation, go to the main settings of your device. Find the section Applications or Manage applications. In the list that opens, select the desired app. Here you will see detailed information about the space used, including the size of the application itself, the amount of user data and the cache size. It is the last parameter that interests us.
Click on the item Memory usage or directly on the button Clear cache, if it is placed in the main menu of information about the application. The system will ask you to confirm the action. After clicking the "OK" button, temporary files will be deleted instantly. You will notice that the amount of memory consumed has decreased, but the application itself will remain in place with all your accounts.
| Data type | What is being deleted | Impact on account | Recommendation |
|---|---|---|---|
| Application cache | Temporary files, thumbnails | Does not affect, input is saved | Can be cleaned regularly |
| Application data | Settings, databases, inputs | Complete exit from account | Only in case of failures or deletion |
| Residual files | Folders from deleted apps | None | Always safely delete |
| Downloads | User-downloaded files | Depends on the file | Check before deleting |
Pay special attention to instant messengers and social networks. These categories of applications tend to grow their cache the fastest due to the constant flow of media content. In some cases, for example in Telegram, it is more advisable to use the built-in cache clearing function inside the application itself, as it allows you to more flexibly configure the storage period for files.
Where is the cache stored in the file system?
Technically, the application cache is located in a hidden directory /data/data/[package_name]/cache. Access to this folder without root access is closed to the user precisely to protect the integrity of the system from accidental deletion of critical files.
Clearing the cache through Recovery mode
If the phone is unstable, freezes on the screen saver, or the built-in methods do not help free up space, you can use the recovery mode Recovery Mode. This method allows you to clear the system cache (Dalvik/ART cache), which is not accessible through the regular settings menu. This is a more in-depth procedure that can solve problems with system updates or strange interface errors.
To enter recovery mode, you must completely turn off your smartphone Realme. Then hold down the Volume Down button and the Power button at the same time. Hold them until the brand logo appears, then release the Power button, but continue to hold the volume down until the language selection menu appears. Select the language (usually English) using the Volume buttons and confirm the selection with the Power button.
In the main Recovery menu, find the item Wipe Data. Inside this section there will be an option Wipe Cache or Clear Cache. It is important not to confuse this with the Format Dataoption, which will delete all your personal information! Select clear cache and confirm. After the process is completed, select Reboot to reboot the device in normal mode.
⚠️ Attention: Navigation in Recovery mode is carried out using the volume buttons (up/down), and the selection is confirmed with the power button. The touch screen does not work in this mode. Be extremely careful and do not select Format Data if you do not want to lose all your files.
This method is especially useful after major Android updates, when the old version of the cache may conflict with the new firmware. Clearing the cache partition via Recovery does not affect your photos, contacts and installed applications; it only deletes system temporary compilation files. If after this procedure the phone began to work faster, then the problem lay precisely in system garbage.
Recovery mode is a powerful tool for eliminating system errors, but it should only be used when standard cleaning methods do not produce results or the phone behaves inappropriately.
Cleaning automation and smart settings Realme UI
Modern versions of the shell Realme UI offer automatic optimization functions that allow you to forget about manual cleaning for a long time. In the phone manager settings, you can activate the option Auto Cleaning. When enabled, the system will automatically remove garbage when the screen is locked or when the device is idle, without distracting the user with notifications.
It is also worth paying attention to the “Phone Speed Up” function, which often hangs in the notification shade. Clicking on it not only closes background applications, but also launches a quick script to clear the cache of the most active apps. This is useful to do before launching heavy games or resource-intensive tasks to ensure maximum processor and RAM performance.
In the storage settings section, you can enable memory full notification. The system itself will tell you when the amount of free space becomes critical and will suggest switching to cleaning tools. This helps prevent situations where the phone completely stops functioning due to lack of space for system write operations.
- 📱 Activate "Auto Clean" in Phone Manager for regular maintenance without your participation.
- ⚡ Use the boost widget on your desktop for quick optimization before gaming.
- 🔔 Set the memory notification threshold (for example, at 10% free space) to respond in time.
Do not forget that automatic systems work according to general algorithms and may miss specific garbage in individual folders. Therefore, once a month it is still recommended to carry out a manual audit through a file manager or dispatcher to make sure that the automation is doing its job properly.
Disable autoloading for rarely used applications in the battery settings. This will prevent them from accumulating cache in the background while you are using other apps.
Common cleaning mistakes and safety tips
In an effort to free up space, users often make mistakes that can harm the operation of their smartphone. The most common of them is installing dubious cleaning applications from third-party stores. Such apps often contain advertising, collect user data themselves, and create more garbage than they remove. The built-in tools Realme are quite enough for effective work.
Another mistake is regularly completely clearing application data instead of clearing the cache. If you constantly reset messenger data, you will have to re-enter passwords each time, set up notifications and wait for the chat history to load, which wastes traffic and time. The cache should be cleared frequently, and data only in extreme cases.
Also, you should not delete files from system folders manually through the file manager if you are not sure of their purpose. Some folders with names like Android or data contain critical configuration files. Removing them may cause applications to stop launching or saved game progress to disappear.
⚠️ Attention: Realme UI may vary slightly depending on the Android version and phone model. If you do not find the described menu item, use the settings search by entering the keyword “Memory” or “Applications.”
Remember that having some cache is normal and even useful for performance. A completely clean phone will take a little longer to load applications. The purpose of cleaning is not to delete everything to zero, but to remove outdated and conflicting files that interfere with the stable operation of the system.
Why is the space not freed up after cleaning?
Some applications (for example, instant messengers) immediately after cleaning begin to re-download media files from the cloud or chats. This is fine. To really free up space, you also need to configure auto-loading of media in the applications themselves.
Questions and answers (FAQ)
Will my WhatsApp correspondence be deleted when clearing the cache?
No, when clearing only the cache, your WhatsApp correspondence, photos and contacts will be saved. Only temporary files that speed up the application will be deleted. However, if you click “Clear data” or “Erase data”, then the entire correspondence history will be permanently deleted.
How often should you clear the cache on Realme?
It is enough to carry out preventive cleaning once every 2-4 weeks. If you actively use social networks and games, you can do this more often. The built-in phone manager will tell you when a lot of garbage has accumulated. Excessively frequent cleaning (every day) does not make sense and may even slightly slow down the initial launch of applications.
Why does the application cache grow again immediately after cleaning?
This is normal behavior. Applications recreate the cache for their work. If the volume is growing abnormally quickly (gigabytes per hour), there may be a bug in the application or it is not saving downloaded files correctly. In this case, it is worth checking the settings of a particular application or updating it.
Is it possible to clear the cache of all applications at once with one button?
There is no such button in the standard Android settings, but the built-in Phone Manager application on Realme performs exactly this function when you press the “Clear” button after scanning. It deletes the cache of all installed apps in batches, which saves the user's time.
Does clearing the cache affect the battery charge?
Indirectly - yes. A full cache and background processes associated with garbage processing can load the processor. After proper cleaning, the system works more stable, freezes less, which can have a positive effect on battery life, although there is no direct connection between cache files and battery capacity.