In the ecosystem of mobile operating systems, file management remained a weak link for a long time until specialized tools such as ES File Explorerappeared. This file manager has become a real combine, combining not only directory navigation, but also the functions of cleaning the system, working with the network and archiving data. Understanding how the core of the application works allows the user to get the most out of the capabilities of their device.
The principle of the app is based on direct interaction with the file system Android through standard APIs provided by OS developers. Unlike the default Explorer, which is often limited to system folder permissions, this tool requests advanced permissions for deep integration. It is this feature that makes it so powerful, but also requires the smartphone owner to have some technical literacy when setting it up.
Modern versions of the application have undergone significant changes in the security architecture, especially after the introduction of restrictions in Android 11 and newer. Now work with files is regulated by the Scoped Storagemechanism, which leaves an imprint on access to shared storage. However, the developers have implemented workarounds and special modes of operation that allow them to maintain a high level of functionality even in the face of stricter Google security policies.
File system architecture and access rights
The foundation of any explorer is the correct reading of the directory structure. ES Explorer scans the internal memory and card SD, building a virtual file tree. This is accomplished by using an indexing service that caches metadata to speed up searches. Without this process, opening folders with thousands of photos would take an unacceptably long time.
The key aspect here is the differentiation of rights. Normal user mode allows you to work only with media files and documents. To access system settings or folder /data requires root access. If the device is rooted, the application activates a special superuser mode, gaining full control over the operating system.
⚠️ Warning: Providing Root access to third-party applications carries risks. An error in running the file manager with superuser rights can lead to the deletion of critical system libraries and the inability to boot the device.
It is important to note that the mechanism for requesting permissions has changed. Now, when you first start it, the system requests access to storage, camera and contacts separately. Refusal to grant any of these rights may limit the functionality, for example, make it impossible to create backup copies of call lists.
If the application does not see files on the memory card after updating Android, try manually granting access to a specific folder in the storage settings through the system selection dialog.
Navigation and file management
The app interface is built on a two-panel principle or single-window mode, depending on the screen orientation. The user navigates through the directory hierarchy using swipe gestures or navigation buttons. Each action - copying, moving, renaming - is performed through the clipboard or the context menu called by a long press.
One of the strengths is support for multi-touch selection. You can select a group of disparate files at once by holding down the key Ctrl on the connected keyboard or using a special selection mode on the touch screen. This is critically important when massively transferring data between memory sections.
- 📁 Supports all popular archive formats:
ZIP,RAR,7Zwith the ability to view the contents without unpacking. - 🔍 Built-in powerful search with filters by modification date, size and file type.
- ✂️ The "Recycle Bin" function allows you to restore deleted files within 24 hours.
Working with text documents and source code is also implemented at a high level. The built-in editor supports syntax highlighting for most programming languages. This turns the smartphone into a full-fledged workstation for quickly editing configs or scripts.
☑️ Checking access rights
Network capabilities and remote access
The functionality of the application goes far beyond local storage. It acts as a full-fledged client for working with network resources. Support for protocols FTP, SFTP i WebDAV allows you to connect to remote servers as easily as to a regular folder on your phone.
The function of creating your own FTP server on the device is especially interesting. By activating it in the “Network” menu, you get an IP address and port. By entering this data in Explorer on a computer located on the same Wi-Fi network, you get full wireless access to your smartphone’s files. The transfer speed is limited only by the bandwidth of your router.
| Protocol | Encryption | Speed | Purpose |
|---|---|---|---|
| FTP | No | High | Fast transmission in a trusted network |
| SFTP | SSH | Medium | Secure transmission of confidential data |
| SMB | Depends on the version | High | Access to shared Windows folders |
| WebDAV | SSL/TLS | Medium | Working with cloud storage |
Integration with cloud services is implemented through official APIs. You can log in Google Drive, Dropbox or OneDrive right inside the interface. This allows you to copy files from the cloud to internal memory and back without having to download them intermediately to the browser.
⚠️ Attention: When using open Wi-Fi networks in public places, avoid transferring passwords and personal documents via FTP without encryption, as the data can be intercepted.
To set up a connection to a computer via SMB, you need to know the workgroup name and PC user credentials. In modern versions of Windows 10 and 11, you may need to enable support for the legacy SMB 1.0 protocol if automatic detection does not work.
Analysis and optimization tools
In addition to file management, the application contains modules for analyzing the system state. The Storage Analysis feature visualizes memory usage in the form of a pie chart. This helps to instantly identify space hogs, such as messenger caches or forgotten video files.
The application manager allows you not only to remove installed software, but also to create backup copies. APK files. This function is indispensable when switching to a new smartphone or if you need to roll back a app version after an unsuccessful update. Copies are saved in a special directory available for transfer.
The built-in cleaner works using heuristic algorithms, finding temporary files, remnants of deleted apps and empty folders. However, you should be careful: aggressively clearing the cache of some applications may result in resetting their settings or requiring re-authorization.
Hidden system files
In the settings, you can enable the display of hidden files (starting with a dot). Be careful: changing files like .android_secure or .thumbnails may disrupt the gallery and system.
For advanced users, a process viewing function is available. It shows which applications are currently consuming RAM. Forcibly stopping heavy processes can temporarily speed up the device, but the system often restarts them automatically.
Multimedia and built-in players
One of the features of the architecture is the elimination of dependence on third-party players. The package includes its own engines for audio and video playback. This ensures that you can open a file of any format, even if the corresponding codec is not installed on the system.
The video player supports hardware acceleration, which is critical for playing content in resolution 4K on mobile processors. It can load subtitles from external files and allows you to customize audio tracks. The interface is adapted for one-handed control in landscape mode.
- 🎵 Audio player with equalizer and support for playlists.
- 🖼️ Gallery with the ability to batch edit, rotate and add watermarks.
- 📄 PDF and office document viewer with function annotations.
When opening heavy graphic files, such as RAW images from professional cameras, the application uses preliminary generation of thumbnails. This prevents the interface from freezing when scrolling through large albums. Preview caching occurs in the background.
⚠️ Attention: Built-in players may not support the latest compression formats that appeared after the last application update. In such cases, the system will prompt you to select an external player.
The “Remote Control” function allows you to use your smartphone as a remote control to play media files on a Smart TV or other device on the network. This is implemented through technology DLNAthat requires both devices to be on the same subnet.
Built-in media tools eliminate the need to install dozens of separate applications to view different file formats, saving memory and simplifying the interface.
Data security and encryption
In the context of growing cyber threats, the protection of personal information comes to the fore. ES Explorer implements the “Safe” function, which allows you to encrypt selected files and folders. Access to them is possible only after entering a PIN code, pattern key or fingerprint.
The encryption process occurs locally on the device using an algorithm AES. Encrypted files change their extension and become unreadable for other applications. Even if you connect your phone to your computer via USB, this data will appear as a string of random characters.
It is important to understand the difference between hiding and encryption. Simply hiding a file makes it invisible in normal browsing mode, but any other file manager with the "show hidden files" option enabled will be able to see it. Encryption makes the content inaccessible without a decryption key.
Path to security settings:
Menu → Tools → Encryption → Create a new safe
If you lose the password for the safe, data recovery is impossible, since the encryption key is not stored on the developer's servers. It is recommended that you regularly back up important encrypted documents to an external storage device before changing your credentials.
Use the “False password” function in the safe settings. When you enter a special code, an empty or pre-prepared set of files will open, hiding the true contents from outsiders.
Compatibility and update problems
With the release of new versions Android many functions of classic file managers are subject to restrictions. Starting from version 11, direct access to the folder for third-party applications is blocked. This is done to protect user data from abuse. Android/obb And Android/data blocked for third-party applications. This is done to protect user data from abuse.
To get around this limitation, new versions of the application implement a mechanism for requesting special permission through the system interface. The user must manually confirm access to the root directory of the internal memory. Without this action, some games and applications may not see their cache files.
⚠️ Attention: The interface of system permission dialogs may differ on smartphones from different manufacturers (Xiaomi, Samsung, Huawei). If the confirmation button is inactive, check your accessibility settings.
Developers are constantly releasing patches that adapt the app to the new requirements of Google Play Protect. However, users of older versions of the application should be prepared for the fact that some network functions may no longer work correctly due to changes in OS security protocols.
Regularly updating the application to the latest version from the official store ensures that vulnerabilities are patched and new file formats are supported. Using modified versions from unverified sources may lead to infection of the device with malware.
Compatibility with new versions of Android requires the user to manually confirm advanced access rights when using the functions of working with system folders for the first time.
Is it safe to grant ES Explorer root access?
Granting root access gives the application full control over the system. It is safe if you trust the developer and have downloaded the application from an official source. However, any error in the code or accidental user action can lead to damage to system files.
Why does the application not see files on the SD memory card?
In new versions of Android, access to external drives is limited. You need to go to the application settings, select “Storage” and manually grant permission to access the SD card through the system dialog by clicking the “Use this folder” button.
Is it possible to restore files from the Recycle Bin after emptying?
No, the Recycle Bin function works as temporary storage. After clicking the “Empty Trash” button or after a set period of time (usually 24 hours), the files are deleted permanently, and software recovery becomes extremely difficult.
How to transfer files between your phone and PC without a cable?
Use the built-in FTP server function. Turn it on in the “Network” section, write down the displayed address (for example, ftp://192.168.1.5:2121) and enter it into the address bar of any explorer on a computer connected to the same Wi-Fi.
Why do you need the “APK Analysis” function?
This tool allows you to scan installed applications for the presence of malicious code, as well as find duplicate installation files taking up space. It also shows the permissions that each application requests, helping to identify suspicious activity.