Many users are faced with a situation where simply deleting an icon from the desktop does not solve the problem of low memory. The operating system Android is designed in such a way that after a standard uninstallation, “tails” - logs, caches and configuration files - are often left in the deep folders of the system. This data can take up hundreds of megabytes, slowing down your device and draining your battery in the background.
For a complete cleanup, you need to understand the difference between uninstalling the app itself and clearing its data. If you simply drag the shortcut to the Trash, the system deletes the executable file .apkbut user settings and temporary files may remain. This is done intentionally: if you decide to reinstall the app, it will start with the same settings. However, when changing a device or wanting to clean a smartphone, this approach is ineffective.
In this guide we will look at all the methods: from built-in system tools to using advanced tools like ADB and third-party managers. You will learn how to find hidden folders that are not visible to the average user, and how to safely get rid of system garbage left by popular instant messengers and games.
Standard removal procedure through system settings
The most reliable and safe way to start cleaning is to use the built-in application manager. The interface may differ slightly depending on the manufacturer's shell (for example, One UI from Samsung or MIUI from Xiaomi), but the logic of operation remains the same for the entire ecosystem.
Go to the menu Settings and find the section Applications or All applications. This displays a complete list of installed software, including system services. Select the desired app from the list. Before pressing the uninstall button, it is critical to perform a preliminary cleanup.
On the application information screen, look for Storage or Memory. Press the button Clear data and confirm the action. This operation will reset the application to its factory state within the system, deleting all databases, accounts and cache. Only after this, go back and click Delete.
Before deleting banking applications or instant messengers, make sure you remember passwords or have access to phone number to restore access on another device.
Sometimes the delete button may be inactive (gray). This means that the application has device administrator rights or is a system component. In this case, you first need to go to Settings → Security → Device administrators and uncheck the desired app.
Manually cleaning residual files in the file manager
Even after performing the data reset procedure in settings, empty or partially filled directories often remain in the phone’s general memory. Software developers create folders with unique names to store media files, downloaded documents or offline maps.
Open the built-in file manager or install a reliable analogue, for example Files by Google. Go to internal storage. You need to pay attention to two main directories where garbage accumulates: Android/data and Android/obb. In new versions of Android, access to them may be limited, but file managers with extended rights usually allow you to view the contents.
- 📁 The folder
datacontains the cache and settings of specific apps. Look for folders with names corresponding to deleted applications (often these are the domain names of the developers, for examplecom.whatsapp). - 📦 The directory
obbstores heavy data files for games (textures, models, sounds). If you deleted a game, but the folder remains, it can occupy several gigabytes. - 🗑️ Separate folders in the root of the storage. Many messengers and social networks create their own folders directly in the root, for example,
Telegram,DCIM(if media from the application was saved there) orDownload.
How to find the folder of a deleted application?
Use the search in the file manager. Enter part of the application name or the name of the developer. matches in the path to the file, which will speed up the search for leftovers.
Be extremely careful when deleting files from a folder Android. Deleting an extra folder rarely breaks the system, but deleting a system file can lead to errors in the operation of other apps. Always check the modification date of the file: if the folder has not been updated for months and belongs to deleted software, it can be removed. erase.
⚠️ Attention: Do not delete folders with the names of Google system services (for example,
com.google.android.gms), even if you do not actively use them. This may disrupt the operation of notifications and account synchronization.
Using ADB for forced uninstallation
For advanced users who want to achieve perfect system cleanliness, there is a tool Android Debug Bridge (ADB). This method allows you to delete applications along with their data for all users of the device, including hidden profiles that are not visible in the normal interface.
First you need to activate Developer mode on your smartphone. data-i="82">and quickly click 7 times on the item Settings → About phone and quickly press 7 times on the item Build number. After the message “You have become a developer” appears, return to the main settings menu, find the new section For developers and turn on the toggle switch USB debugging.
Connect the smartphone to the computer with a cable. The platform must be installed on the PC SDK Platform-ToolsOpen the command line or terminal in the tools folder and enter. command to check the connection:
adb devicesA request for debugging permission will appear on the phone screen - confirm it. If the serial number of the device is displayed, the connection is established. Now you need to find out the exact name of the package of the application being deleted. This can be done through the command:
adb shell pm list packages | part of the name"Knowing package name (for example, com.example.game), run the full uninstallation command with the data clearing flag:
adb uninstall -k com.example.game☑️ Preparing to work with ADB
Flag -k in some versions of the command line can save data, so to ensure that all traces are removed, it is better to use the command adb shell pm clear com.example.game before deleting, or simply adb uninstall com.example.gameif the application has already been reset through settings. This method is especially effective for removing preinstalled bloatwarethat cannot be removed in the usual way.
Third-party utilities for deep cleaning
If you don’t want to mess around with the command line, specialized uninstallers from the store will come to the rescue. These applications scan the system for residual files immediately after removing the main app. Google Play. These applications scan the system for residual files immediately after uninstalling the main app.
Popular solutions such as Revo Uninstaller Mobile or SD Maid, work on the principle of scanning the file system for orphan records. They compare the list of installed packages with the contents of the storage and offer to delete files belonging to non-existent applications.
| Utility name | Main function | Availability root access | Efficiency |
|---|---|---|---|
| SD Maid SE | Searching for "dead" applications and cleaning databases | Desirable (advanced mode) | High |
| Revo Uninstaller | Monitoring installation and removal leftovers | Not required | Medium |
| CCleaner | Clearing cache and temporary files | Not required | Medium |
| Files by Google | Basic cleaning duplicates and garbage | Not required | Low (basic) |
It is worth noting that the effectiveness of such apps on modern versions of Android (starting from 11 and higher) is reduced due to the tightening of the security policy. Scoped StorageThe system limits application access to. other people's folders, so without root access, many utilities will not be able to see files in system partitions.
On modern versions of Android, third-party cleaners work less effectively due to access restrictions to the file system, so manually checking the Android/data folders is often more reliable.
⚠️ Attention: Avoid installing aggressive “boosters” and “cleaners” with a dubious reputation. Often they themselves are a source of advertising and collect telemetry, slowing down the phone instead of optimizing it.
Removing system applications and bloatware
Smartphone manufacturers often preinstall many apps that cannot be removed in the standard way. The “Delete” button is inactive for them, only the “Disable” option is available. However, disabling only hides the application, but does not free up space in the section System.
To completely remove such software, you must have root access or use the method ADB with the flag --user 0. This allows you to delete an application for the current user, essentially hiding it and freeing up space in the user partition, although the APK file itself will remain in the system partition (bootloop protection).
The command to delete a system application for the current user looks like this:
adb shell pm uninstall -k --user 0 com.android.bloatwareIt is important to understand the risks: deleting critical system components (such as telephony services or frameworks) may cause the phone to become unbootable. Always check the purpose of the package on the Internet before deleting it.
If you have root access, you can use applications like Titanium Backup or System App Remover. They allow you to freeze or completely delete system applications with the ability to restore from a backup in case of an error.
Clearing cloud traces and accounts
Completely deleting an application from the device does not affect data stored in the cloud. If you delete a game or service, but do not delete your account, your data continues to take up space on the developer’s servers or in your Google Drive.
Go to your Google account settings on the website or through the app. In the section Data and privacy find the item Third-party applications and services. Here you can revoke access of remote applications to your data.
Also check the section Backup. Many games save progress to the cloud. If you plan to start the game again or delete traces of it, find the corresponding application in the list of backups and delete the data from there.
For complete anonymity, it is not enough to simply delete applications before selling your phone. It is necessary to perform a full factory reset (Factory Reset) after deleting your Google account.
Frequently asked questions (FAQ)
Does the "Clear data" button delete the application itself?
No, the button Clear data only resets the app settings to factory default, deletes logins, passwords and cache. The application itself remains installed on the device and takes up space. To delete, you need to click a separate button Delete.
Is it safe to delete folders in Android/data manually?
Yes, it is safe if you are sure that the folder belongs to the deleted application. The system will automatically create a new folder if you install this app again. However, do not delete files whose modification date is today or yesterday - this could be the cache of active applications.
Why is the space not freed up after deleting the game?
Most likely, there are cache files left in the folder Android/obb or media files downloaded by the game to the shared folder Downloads or DCIM. Also check the recycle bin in the file manager - some phones place deleted files there for 30 days.
Is it possible to restore a deleted application while preserving the data?
If you have not previously made a backup copy via Google Drive or specialized software, it is impossible to restore data after cleaning and deleting. The operation is irreversible.
Why do you need to remove applications completely, and not just disable them?
Disabling stops the application and hides it, but the executable file remains in memory. Complete removal frees up space in the internal storage, which is especially important for budget smartphones with low memory.