Modern smartphones based on the operating system Android accumulate temporary files during their operation, which over time can lead to a slower interface and a lack of free space. This data, known as application cache, is stored to speed up loading of frequently used items, but becomes digital ballast over extended periods of use. Users often encounter a situation where the internal memory of the device is full and there is nothing to delete, although the problem is solved by a simple system maintenance procedure.
Clearing the cache is a safe and effective optimization measure that does not affect your personal photos, contacts or saved passwords. Unlike a full factory reset, this procedure only affects temporary files created by apps for quick access to data. It is important to understand the difference between clearing the cache and clearing data, since the second action will return the application to the state immediately after installation, deleting all your history of activity within it.
In this article we will analyze in detail the algorithms of actions for different versions of the operating system and shells from manufacturers. You'll learn how to find hidden settings, which apps consume the most resources, and when to take drastic measures. Proper memory management will allow your gadget to work stably even after several years of active use without the need to replace the device.
What is the cache and why delete it
The cache is a memory area where the application stores temporary files necessary for fast operation. For example, the browser saves copies of the pages and images you visit so that when you visit again, the site opens instantly without re-downloading content from the Internet. Social networks cache news feeds and avatars, and maps save fragments of the area for quick display when scrolling.
The problem arises when the size of these temporary files becomes disproportionately large. Developers do not always set strict limits on cache size, so a popular application like Telegram or TikTok can take up several gigabytes of space, although its installation file weighs much less. This leads to the fact that internal memory the smartphone becomes full, the system starts to work slower, and there is simply nowhere to save new files.
Regularly clearing the cache helps solve a number of typical problems that users face:
- 🚀 Freeing up a significant amount of space for installing new apps or saving media files.
- ⚡ Eliminating errors in the operation of applications, such as freezes, crashes or incorrect display of content.
- 🔄 Fixing problems with updating apps when the old cache conflicts with the new version of the software.
It is worth noting that after cleaning cache, the application may run a little slower when first launched, since it will have to download the necessary data again. However, this is a temporary phenomenon that passes quickly and ensures stable operation of the system in the long term. Understanding the principles of operation temporary files allows the user to consciously manage the resources of their device.
A universal method of cleaning through system settings
The most reliable and safe method of memory management is built directly into the operating system interface. Despite the differences in shell design from Samsung, Xiaomi or Huawei, the menu logic remains almost identical on most devices. First, you need to open the main menu and find the icon Settings, which usually looks like a gear.
Next, the algorithm of actions requires care, since the names of the sections may differ slightly. You need to go to the section responsible for managing apps. In pure Android this is item Applications or Applications and notifications. In manufacturers' shells it can be called All applications or located inside the section System. This is where complete information about installed apps and the space they occupy is stored.
In the list of installed apps, select the application that is suspicious or takes up a lot of space. Often these are social networks, instant messengers or browsers. After entering the application card, click on the item Storage or Memory. Here you will see detailed resource usage statistics, divided into application code, user data and cache.
To perform cleaning, find the button labeled Clear cache. Clicking on it will instantly delete all temporary files without affecting your logins, passwords and correspondence. This step can be repeated as needed for any apps. It is important not to confuse this button with the option Clear data, which will lead to a complete reset of the application.
Pay attention to the cache size in the list of applications: sorting by size will help you quickly find the main "eaters" memory.
Clearing the cache on Samsung and Xiaomi smartphones
Large smartphone manufacturers often modify the standard Android interface by adding their own optimization tools. Owners of devices Samsung with a shell One UI have access to a convenient built-in device maintenance service. To use it, go to Settings and select section Device maintenance or Battery and device.
In this section, the system automatically analyzes the memory status and offers to optimize it with one click. However, to selectively clear the cache of specific applications, it is better to use granular control. Click on the item Memory, then select Clear now or go to the list of applications for manual selection. Samsung's interface also allows you to clear the cache of all applications at once through the storage menu, which saves time.
Smartphone users Xiaomi, Redmi and Poco with shell MIUI or HyperOS have access to a powerful tool called Cleanup. This is a separate application pre-installed on the system that scans the device for junk files. Launch the application Cleaning from the "Tools" folder or through the settings, and the system will offer to delete unnecessary files.
In the cleaner menu you will see the "Cache" category, where the total amount of temporary files of all apps will be indicated. The system will prompt you to select specific applications to clean or delete everything at once. A feature of MIUI is the ability to configure automatic cleaning when a certain threshold of memory fullness is reached, which makes device maintenance completely automatic.
⚠️ Attention: In new versions of the MIUI and One UI shells, some system applications may not have a button for manually clearing the cache through the standard menu, since their work is critical for system stability.
Clearing the cache through Recovery mode (for advanced)
There is a deeper level of cleaning available through recovery mode Recovery Mode. This method allows you to clear the system partition cache (Cache Partition), which is used by the operating system to store temporary update files and system logs. This method is especially relevant after a major firmware update, when the phone is unstable.
To enter this mode, you need to turn off the smartphone and hold down a certain combination of buttons. On different devices, this may be a combination Volume up + Power or Volume down + Power. Hold the buttons until the manufacturer's logo or menu with a text interface appears. Navigation in this menu is carried out with the volume buttons, and the choice is confirmed with the power button.
In the list of options, find the item Wipe cache partition. Be extremely careful not to select Wipe data/factory reset, as this will delete all your personal files and return the phone to factory settings. After choosing to clear the cache, confirm the action and wait for the process to complete, which usually takes a few seconds.
What to do if the Recovery menu does not appear?
On some new smartphones with Android 11 and higher, you can only enter Recovery when you connect the device with a USB cable to the computer. Try connecting your phone to the PC and repeating the login procedure.
After successful cleaning, select item Reboot system now to reboot the device. The phone will turn on as usual, but the system cache will be completely refreshed. This method does not delete your applications or photos, it only affects service files of the operating system, helping to solve performance problems on a global level.
Specifics of clearing the cache in popular applications
Some applications have their own built-in settings for managing the cache, which are often more flexible than system ones. Messengers like Telegram i WhatsApp store huge volumes of media files, which are formally considered a cache, but can be important for the user. In such cases, it is better to use internal cleaning tools.
In Telegram go to Settings → Data and memory → Memory usage. Here you can not only clear the cache with one button, but also set up automatic deletion of files after a certain time (for example, after 3 days or a week). This allows you to keep your memory clean without manual intervention in the future.
The application YouTube also accumulates a lot of data for fast loading of videos and previews. Go to the application settings inside the app, find the section General and select Clear cache. For the browser Chrome the procedure looks different: click on the three dots in the corner, select History → New tab (or "Delete browsing data"), where you can check "Images and other files saved in the cache."
| Application | Path to clear | Features |
|---|---|---|
| Telegram | Settings → Data and memory | You can configure auto-delete |
| YouTube | Settings → General | Does not delete browsing history |
| Google Chrome | History → Data deletion | Selective clearing of types files |
| Only through Android settings | No internal cleaning button | |
| TikTok | Settings → Free up space | Built-in tool inside the application |
☑️ Check before bulk cleaning
Automation and third-party utilities
Manually cleaning each application can take a lot of time, especially if several dozen apps are installed on your smartphone. There are special utilities to automate this process, but their selection should be approached with caution. Many so-called “cleaners” themselves consume a lot of resources and display intrusive advertising.
The most reliable solution is to use the system’s built-in tools or proven applications from well-known developers, such as Files by Google. This is an official application from Google that securely analyzes your device, finds duplicates, old screenshots and application cache. It offers to remove them in one click, without requiring special permissions to access the entire system.
Using third-party accelerator apps that promise to “increase RAM” or “cool the processor” often does more harm than good. They aggressively close background processes, which the system immediately starts again, using up battery power and processor resources. It is better to trust the algorithms of the operating system itself Android, which knows how to properly manage available memory.
⚠️ Attention: Avoid installing dubious applications from unverified sources that require superuser rights (Root) to clear the cache. This may void your warranty and system performance.
The built-in Android tools and the Files by Google app provide the best balance between security and cleaning efficiency.
⚠️ Note: Settings interfaces may be updated with new versions of Android. If you do not find the specified menu item, use the search in the settings by entering the word “Cache” or “Memory”.
Frequently asked questions and problem situations
In the process of optimizing a smartphone, users often encounter non-standard situations that require clarification. Below are answers to the most popular questions related to managing the cache and memory of the device.
Will my correspondence or photos be deleted when clearing the cache?
No, clearing the cache (Clear Cache) affects only temporary files that the application can download again. Your personal data, correspondence, photos and settings are saved in full. Deleting personal information occurs only when you select the "Clear data" option (Clear Data).
Why is the application cache filling up quickly again?
This is normal behavior for active applications. Messengers and social networks constantly download new images and videos, which are saved in the cache for quick viewing. If the cache grows too quickly, check the settings of the application itself: it may be that automatic downloading of media files in high quality.
Is it possible to clear the cache of all applications at once?
In the standard Android settings, there is usually no such function; you need to clear each application separately. However, some manufacturers (Samsung, Xiaomi) add a "Clear all" button to their proprietary device maintenance menu. You can also use the Files by Google application to clean up garbage in bulk.
Does it matter? clearing the cache for Internet speed?
Indirectly, yes. If the cache is full, the system can waste resources on managing file memory, which slows down the overall operation. In addition, clearing the browser cache forces you to load the latest versions of sites, which can solve problems with displaying pages, but the first visit to the site will be a little slower than usual.
What to do if the "Clear" button "cache" is inactive (gray)?
This may mean that the application is currently actively used by the system or is a system component whose cache cannot be touched without risk of instability. Try to force stop the application before clearing it or reboot the phone and try again.