How to remove OBB protection on Android and gain access to files

Modern mobile games and heavy applications often use additional content downloads, which are stored in the folder Android/obb. Users who want to transfer this data to a memory card or modify files often encounter access restrictions in new versions of the operating system. Starting from Android 11 and especially in Android 13, Google's security policy has tightened, making this directory inaccessible to third-party file managers without special manipulations.

The concept of “protection” in this context does not mean cryptographic encryption of the contents of files in the usual sense. We are talking about system access permissions (Scoped Storage), which block direct access of applications to system folders. This is done to prevent malware from stealing data or spoofing game resources. However, for the average user, this creates serious inconvenience when trying to install the cache manually or free up space in the internal memory.

In this article we will look at legal and technical ways to bypass these restrictions. You will learn how to use system loopholes, special utilities and developer tools to gain complete control over a directory OBB. It is important to understand that any manipulations with system files require caution, since incorrectly changing the folder structure can lead to installed applications not working.

Reasons for blocking access to the OBB folder in new versions of Android

The main reason for the restrictions introduced is the concept Scoped Storage (Isolated storage). Previously, applications could request permission to access the entire device storage, which created risks of leaking private data. Now each application works in its own “sandbox” and does not have the right to read or write files in other directories, including the system folder. This change affected all device manufacturers using pure Android.

This change affects all device manufacturers using pure Android or shells based on it, such as One UI ot Samsung and MIUI from Xiaomi. The system forcibly hides the contents of folders data and obb when you try to view through a standard explorer or third-party apps that do not have system privileges. Even if you connect your smartphone to your computer in file transfer mode (MTP), these partitions often remain empty or hidden.

⚠️ Attempts to forcefully change access rights to system partitions without root access may lead to software failures. The system may perceive such actions as an attack and block certain operations.

Game developers can also use their own file protection methods .obb. Sometimes files are encrypted or have checksums, which are verified when the application starts. If you try to simply rename or move such a file, the game may not launch, reporting data corruption. In such cases, “removing protection” requires not only access to the folder, but also an understanding of the structure of a specific application.

For many users, the issue of transferring heavy files to a memory card is critical. In older versions of Android, this was done through the app settings. Nowadays, this feature is often hidden or removed, forcing users to find workarounds. Understanding the architecture of restrictions helps you choose the right method to solve the problem without violating the integrity of the operating system.

Use of system vulnerabilities and special explorers

The easiest way to bypass the restriction without obtaining superuser rights is to use special file managers that can request system permission through hidden settings menus. One of the most popular tools for these purposes is an application ZArchiver or modified versions Total Commander with access plugins.

The principle of operation of such apps is based on calling a system Intent request, which redirects the user to a hidden file access control menu. There you can manually grant permission to a specific application to work with the root directory or folder Android. After this, the app gets legal access to read and write files in the protected area.

The process usually looks like this: you launch the file manager, go to the folder Android and click on it. The system displays a message about access restrictions and prompts you to go to settings. In the system window that opens, you must click the button Use this folder and confirm the action by clicking Allow at the bottom of the screen. This action delegates rights to the selected application.

It is worth noting that Google periodically closes these loopholes in security updates. What worked in the January version of the security patch may be blocked in the March version. Therefore, it is important to monitor updates to the explorer applications themselves, the authors of which quickly adapt their methods to new OS requirements.

Method of disabling protection via ADB (Android Debug Bridge)

For more advanced users who do not want to get root access, but need flexible file management, the tool is ideal ADB. This is an official device debugging tool from Google that allows you to execute commands from your computer with a higher level of privileges than regular applications.

Using ADB, you can grant a specific file manager permanent access rights to the file system, emulating the operation of a system application. This is done once through a connection to a PC, after which the application on the smartphone will be able to work with the folder OBB without restrictions. This method is considered safe as it does not require unlocking the bootloader.

To get started, you need to activate developer mode on your smartphone. Go to Settings → About phone and quickly click 7 times on the item Build number. Then in the menu For developers enable USB debugging. Connect the device to the computer and run the command to grant privileges:

adb shell pm grant com.zarchiver.pro android.permission.READ_EXTERNAL_STORAGE
adb shell pm grant com.zarchiver.pro android.permission.WRITE_EXTERNAL_STORAGE
adb shell pm grant com.zarchiver.pro android.permission.MANAGE_EXTERNAL_STORAGE

Instead com.zarchiver.pro you must substitute the package name of your file manager. You can find it out in the application settings or through special utilities. After running the commands, restart the file manager. It should now have full access to the directory /sdcard/Android/obb and will be able to copy, delete or move files as if you had root access.

ADB Command	Purpose	Risk Level
adb devices	Test connection device	Safe
pm grant ...	Giving permissions to the application	Medium
adb shell rm -rf	Deleting files (dangerous)	High
adb reboot	Reboot devices	Safe

Full access through root access and special modules

If software methods do not give the desired result or you need constant system access, the only solution is to obtain superuser rights (Root). Having root access removes absolutely all file system restrictions, allowing you to edit, delete and move any files, including system ones.

The most popular tool for managing root access is the application Magisk. After installing Magisk and gaining permissions, you can use root-enabled file managers such as Root Explorer or Solid Explorer. When you first launch such an application, it will ask for permission to use superuser privileges, after which the folder OBB will become completely transparent for operations.

However, there is a caveat: even with root access in Android 11+, an additional action may be required to mount the storage in write mode. In some cases, installing a module Storage Redirect or using a terminal to remount the partition helps. The command for a terminal with root access may look like this:

su
mount -o rw,remount /sdcard/Android

⚠️ Attention: Obtaining root access will void the warranty on the device and may disrupt the operation of protected banking applications and services SafetyNet or Play Integrity. Be prepared for some applications to stop running.

It is also worth mentioning that there are modules for Magisk that are specifically designed to remove Scoped Storage restrictions. They are embedded in the system at a deep level and make a folder Android visible to all applications without the need to manually issue permissions. This is the most elegant solution, but it requires an unlocked bootloader.

What is unlocking the bootloader?

Unlocking the bootloader is the process of removing manufacturer restrictions on installing third-party software. This is a mandatory step to obtain root access, but it leads to the complete removal of all data from the device (Factory Reset).

Transferring OBB files to a memory card without losing access

A frequent reason for looking for ways to remove protection is the lack of internal memory. Users want to transfer heavy game caches to a microSD card. In modern versions of Android, direct transfer of applications to the card is often not available, but files OBB can be moved manually if you create the correct folder structure.

To do this, you first need to copy the contents of the folder to internal storage. Then create a similar structure on the memory card: Android/obb/com.game.name in internal storage. Then create a similar structure on the memory map: Android/obb/com.game.name. It is important to be precise in writing folder names, since the game searches for files in a strictly defined path. After copying, the original in the internal memory can be deleted.

• 📂 Create a folder Android at the root of the memory card, if it no.
• 📂 Create a folder inside obb (lower case, no capital letters).
• 📂 Move the folder with the game ID (for example, com.gameloft.android) inside.
• 📂 Make sure that the files have the extension .obb and are not damaged when copied.

Some file managers allow you to configure the “default path” for loading the cache. If the app allows you to select storage when you first install it, select your storage card. If not, manual transfer while respecting the structure is the only option. After the transfer, launch the game; it should pick up files from a new location. If the game requires downloading data again, it means that the path is incorrect or the files are damaged.

The speed of games with a cache on a memory card may be lower than with internal memory, especially if you use a card of a low speed class (below Class 10 or UHS-I). This may manifest itself in increased level loading times or slowdowns when streaming textures. For heavy projects, it is recommended to use fast format cards UHS-II or V30.

Possible problems and ways to resolve them

When working with protected files, users often encounter access errors, even after following all the instructions. One common problem is a “The request could not be completed” error when trying to copy a large file. This is often related to the file system of the memory card. If the card is formatted in FAT32, you cannot write a file larger than 4 GB onto it, which is important for modern games.

The solution would be to format the memory card into a file system exFATthat supports large files. However, it is worth remembering that some older devices or specific applications may not work correctly with exFAT. In this case, you can use utilities to split a large file into parts, although this requires a special loader in the game itself, which is rare. .obb into pieces, although this requires a special loader in the game itself, which is rare.

Another problem is the disappearance of access after a system update. The next Android security update may reset previously granted permissions for applications or close an exploited vulnerability. In this case, the procedure for gaining access (via the system menu or ADB) will have to be repeated again. This is normal behavior of the protection system, and not a failure.

⚠️ Attention: Settings interfaces and menu item names may differ depending on the manufacturer's shell (OneUI, MIUI, ColorOS). If you do not find the described items, use the search in your phone settings.

If, after transferring files, the game crashes on startup, check the access rights to the files themselves. In rare cases, when copying via a computer, access rights may be lost. Try deleting the file on your phone and copying it again using the file manager directly on the device, and not via a USB cable.

Is it possible to delete the OBB folder completely to free up space?

Deleting the entire folder OBB is not recommended, since it stores the data of all installed games. If you remove it, games will no longer launch and will require you to download the data again. You can only delete specific subfolders with game IDs that you have already deleted from the system or that you no longer use.

Is it safe to use third-party apps to remove protection?

Using trusted apps from the store Google Playsuch as ZArchiver or Solid Explorer is safe. They use legitimate system APIs to request rights. However, downloading modified versions (“hacked” explorers) from dubious sites carries the risk of infecting the device with malware that can steal your data.

Why does the computer not see files in the OBB folder when connected via USB?

This is the standard behavior of the MTP protocol in modern versions of Android. The protocol intentionally hides the contents of system folders from external access for security. To manage files via a PC, it is recommended to use wireless methods (FTP, SMB) through a file manager on a phone that has already received access rights.

Does removing OBB protection affect the operation of game updates?

No, changing access rights or transferring files does not affect the update mechanism through Google Play. The app store checks the checksums of installed files. If you change the contents of the OBB file manually (for example, modify a game), the update may not install or require a complete reinstallation of the application.

Do you need to remove protection for console emulators to work?

Yes, emulators (for example, PPSSPP, Dolphin, AetherSX2) often require access to the folder OBB or the root of the SD card to load BIOS and game images. Without granting special permissions through the system menu or root access, the emulator will not be able to see game files located in protected directories.