Smartphone owners Samsung Galaxy often face a situation where a device that previously worked at lightning speed begins to slow down, freeze, or display notifications about low memory. This is a natural process of accumulation of digital "garbage" during operation, but the ecosystem One UI there are powerful built-in tools to solve this problem without installing third-party apps. Proper cleaning of the system can not only free up gigabytes of space, but also significantly extend the battery life.
Many users mistakenly believe that for high-quality optimization it is necessary to download dubious utilities from the application store. In fact, the interface One UI shell already contains all the necessary algorithms for deep diagnostics and cleaning. In this article, we will analyze a step-by-step algorithm of actions that will help return your Samsung smartphone former performance using only standard tools and proven methods.
Using the built-in device maintenance tool
The first and safest step is to use the native optimization service, which the company Samsung integrated directly into the system settings. This tool analyzes the status of memory, processor and battery, offering automatic solutions. It is accessed through the menu Settings → Device Maintenancewhere you will see an overall performance rating.
Pressing the button Optimize now runs a series of scripts that close background processes that consume resources and delete temporary files of system applications. It is important to understand that this function works preventively: it does not delete your personal photos or documents, but only clears service caches. Regular use of this tool, at least once a week, prevents critical filling of the storage.
⚠️ Attention: Automatic optimization may close applications that you are currently using (for example, a navigator or messenger in the background). Save your progress in games or drafts before starting the procedure.
After the automatic scanning is completed, the system will prompt you to proceed to the detailed configuration of each component. Here you can manually control the startup of apps and limit the running of applications in the background. For users who do not want to understand the details, mode Auto-optimization is an ideal solution, as it runs on a schedule, usually at night, when the phone is not in use.
Set up automatic optimization for the time when the phone is connected to charging and in Do Not Disturb mode to ensure the process is as efficient as possible and unnoticed by you.
Deep cleaning of application cache and system data
Cache accumulation is the main reason for lack of disk space even with a small number of installed apps. Every app, from the browser to social media, stores temporary data to speed things up, but over time these files can take up tens of gigabytes. Unlike clearing data, resetting the cache does not delete your logins, passwords or settings, making this procedure absolutely safe.
For manual clearing, go to the section Settings → Applications and sort the list by the size of the space occupied. Usually the leaders are YouTube, Instagram, TikTok and browsers Chrome or Samsung Internet. Having entered the card of a specific application, select the item Storage, and then press the button Clear cache. Do not confuse it with the "Clear data" button, which will return the application to the state immediately after installation.
- 🗑️ The browser cache can take up to 5–10 GB if you often watch videos online without clearing your history.
- 📸 The gallery creates thumbnails for thousands of photos, which over time inflates the size of its service files.
- 💬 Messengers (WhatsApp, Telegram) store media files in a cache, even if you deleted them from the chat.
- 🎮 Games load additional resources into the cache, which are not deleted after exiting the game.
Particular attention should be paid to the system partition Other in the storage. Often, this mask hides the remains of deleted applications or temporary update files. Cleaning this partition through a standard file manager can be difficult, so it is recommended to use the "Free up space" function in the maintenance menu, which specializes in finding such hidden objects.
☑️ Checking critical applications
Managing files and removing duplicates
The Android file system eventually becomes overgrown with duplicates, forgotten downloads and screenshots that the user did it six months ago and never opened it again. The built-in application My files from Samsung has advanced analysis functions that allow you to quickly find and delete unnecessary content. This is much more effective than deleting files manually one by one.
In the section Storage analysis the system groups files by type: large files, rarely used applications, similar images. The Duplicate Finder feature is especially useful for those who take a lot of photos in burst mode. The algorithm compares the checksums of files and suggests deleting copies, leaving the original in the best quality.
| Type of garbage | Where to look | Deletion security | Approximate volume |
|---|---|---|---|
| Downloads | Download folder | High (check contents) | 1–20 GB |
| Screenshots | Screenshots folder | Medium (visual inspection required) | 500 MB - 5 GB |
| Social network cache | Application settings | Absolutely safe | 2–15 GB |
| Remaining updates | System partition | Safe after installation | 1–3 GB |
Don't forget to check the folder Bluetooth i Wi-Fi Directwhere all received files are automatically saved. Often advertising pictures, old documents or videos that you accidentally accepted accumulate there. Clearing these directories can instantly free up several gigabytes of free space without affecting system operation.
Trash Secret Folder
Remember that when you delete photos and videos in the Gallery application, they do not disappear immediately, but are moved to the trash. To actually free up space, you need to go to the Gallery menu, select “Trash” and click “Empty”. The files are stored there for 30 days.
Optimizing RAM and startup
If your Samsung Galaxy starts to slow down when switching between applications, the problem may lie not in a lack of disk space, but in overload. random access memory (RAM). Many apps that launch when you turn on the phone consume valuable resources, slowing down the response of the interface. Control over startup is the key to the smooth operation of the device.
In the developer menu or through special battery settings, you can limit background activity. Go to Settings → Applications → Autorun and disable all apps that you do not need immediately after turning on the screen. These could be stores, news aggregators, or games. Leave only instant messengers and system services turned on.
For advanced users, there is a function Optimizing RAM in the maintenance menu. It forcibly unloads from memory processes that have not been used for a long time. However, you should be careful: aggressive memory cleaning may cause frequently used applications to take longer to restart, since the system will have to read their data from the disk again.
⚠️ Attention: Do not disable system processes with names containing "Android", "System", "Google" or "Samsung" if you are not 100% sure of their purpose. This can lead to unstable network operation or synchronization failures.
Resetting settings to factory settings as a radical method
When software cleaning methods do not bring the desired result and the system continues to work unstable, the last resort remains - a full reset to factory settings (Factory Reset). This procedure completely erases all user data, applications and settings, returning the phone to its original box state. This is the most effective way to remove any, even the most deeply hidden virus or software glitch.
Before starting the procedure, it is critical to create a complete backup of your data through your account Samsung Cloud or Google Drive. Make sure that all contacts, photos and important documents are saved in the cloud or on your computer. After the reset, it will be almost impossible to restore files deleted without a backup, even with the help of specialized software.
To perform a reset, go to Settings → General settings → Reset → Reset data. The system will ask you to confirm your unlock password or PIN. The process takes from 5 to 15 minutes depending on the amount of storage and the speed of your processor Galaxy. After the reboot, you will have to reconfigure your phone and log into your accounts.
A full reset eliminates 99% of software errors and conflicts, but requires a mandatory prior backup of all important data.
Prevention and maintenance of system cleanliness
In order not to return to the issue of cleaning every month, it is advisable to implement simple rules of digital hygiene. Regular removal of unnecessary applications, refusal to install dubious software from unverified sources and periodic reboot of the device help keep the system in good shape. Rebooting at least once a week clears temporary buffers and restarts system services.
Use the function Sleep mode for applications that you rarely use. In this mode, the app can't run in the background, send notifications, or consume internet traffic until you open it. This significantly reduces the load on the processor and saves battery power, indirectly affecting the overall speed of the system.
It is also worth checking application access rights periodically. Go to your privacy settings and revoke permissions from apps that don't need them to work (for example, a flashlight doesn't need access to contacts, or a calculator doesn't need access to geolocation). The fewer rights applications have, the less system resources they consume for monitoring and data collection.
⚠️ Attention: The menu interface and item names may vary slightly depending on the version of One UI and the model of your smartphone. If you do not find the specified item, use the search in the settings (magnifying glass icon at the top of the screen).
Developer mode
For more fine-tuning, you can enable developer mode (7 clicks on the build number in the About phone menu). There you can change the animation scale to 0.5x, which will visually speed up the interface.
Frequently asked questions (FAQ)
Is it safe to use third-party applications like Clean Master?
The use of such applications on modern versions of Android and the One UI shell is not recommended. They often display intrusive advertising, consume more resources than they save, and may collect personal data. Samsung's built-in tools are quite enough for effective cleaning.
Why do you quickly run out of space again after cleaning?
Most likely, you have automatic downloading of media files enabled in instant messengers (WhatsApp, Telegram, Viber). Check the settings of these applications and disable autosaving of photos and videos to the gallery. Also, the reason could be the cache of streaming services.
Will clearing the cache delete my passwords and correspondence?
No, clearing cache (Cache) affects only temporary files. Your logins, passwords, correspondence and settings will remain in place. Data is deleted only when you click the "Clear Data" button.
How to clear the "Other" folder, which is not visible in the file manager?
The "Other" folder often contains application cache and system logs. The best way to clear it is to use the built-in "Optimize" function in the device maintenance menu or perform a reboot in safe mode to identify the culprit.