Users of smart TVs and set-top boxes often encounter operating system limitations Android TV. The standard interface does not allow you to remove pre-installed applications, blocks the installation of third-party apps from unknown sources and limits access to system settings. Obtaining root access (superuser) removes these restrictions, opening up full control over the device.
However, the process of rooting Android TV box or a TV is fraught with serious risks. Nepravilnye deystviya mogut privesti k prevrashcheniyu ustroystva v"kirpich", potere garantii i sboyam v rabote strimingovykh servisov. Before you begin, you need to carefully consider the need to gain full access and prepare for the possible consequences.
In this article we will look at the legal and technical aspects of obtaining superuser rights on various devices under control Android TV OS. You will learn about methods for unlocking the bootloader, use Magisk and specific nuances of working with the television version of Android.
Why do you need root access on a TV
The main purpose of obtaining privilege escalation (increasing privileges) on a TV is to remove the system garbage. Manufacturers often install uninstallable applications that take up memory space and consume RAM in the background. With superuser rights, you can use special utilities to completely clean the system from bloatware.
Another important reason is interface customization. The standard launcher from Google or the manufacturer may be awkward or slow. Having root access allows you to install alternative shells, such as ATV Launcher or Fauncher TV, as system defaults, completely changing the visual style of the device.
Root is also required for deep network configuration and ad blocking at the system level. You can edit the file /system/etc/hosts, redirecting advertising requests to nowhere, which speeds up the interface and saves traffic. This is especially true for devices with a small amount of built-in memory.
- ๐ Complete removal of pre-installed system applications that cannot be removed using standard means.
- ๐จ Installation of custom launchers and deep customization of the visual interface of the TV.
- ๐ก๏ธ System ad blocking and tracking by editing system files.
- ๐พ Transferring installed applications to an external SD card to save internal memory.
โ ๏ธ Attention: Getting root access to a Smart TV will almost always void the factory warranty. If the device is under warranty service, any attempts to hack the system may be grounds for refusal of free repair.
Preparing the device and enabling debugging
The first step towards obtaining superuser rights is to activate developer mode. By default, these settings are hidden from the average user. You will need a remote control and access to your settings menu Android TV.
Go to the Settings โ About TV (or About device)section. Find the item Build number (Build Number). Press it with the remote control 7 times in a row. After this, the system will notify you that you have become a developer. A new section will appear in the main settings menu For developers.
In this section, you need to activate two key parameters. The first one is USB debugging (USB Debugging). It allows the computer to send commands to the TV. The second parameter is Unlocking the bootloader (OEM Unlocking), if it is available in your firmware. Without this item, installing a modified image is impossible.
โ๏ธ Preparing Android TV for rooting
Not all TVs support unlocking the bootloader with software method. On many models from Sony, Philips or Xiaomi this item may be missing or inactive. In such cases, obtaining root is possible only through vulnerabilities in a specific system kernel, which requires an individual search for exploits.
Methods for obtaining Root: Magisk and image patching
The most modern and safe way to obtain rights is to use Magisk. Unlike older methods that modify the system partition directly, Magisk works in systemlessmode. Eto oznachaet, chto on ne izmenyaet fayly v razdele /system, chto pozvolyaet prokhodit proverki bezopasnosti (SafetyNet) v nekotorykh prilozheniyakh.
Protsess nachinaetsya s polucheniya originalnogo fayla proshivki (boot.img) dlya vashey konkretnoy modeli televizora i versii PO. This file must be extracted from the official update image, which is usually available on the manufacturer's website. Then the file is copied to the device or transferred to the computer.
Install the application Magisk Manager on your TV (via APK file). Launch it, select "Install" and specify the path to the file boot.img. The app will patch the image by creating a new file with a name like magisk_patched.img. Etot fayl nuzhno vernut na kompyuter dlya dalneyshey proshivki.
fastboot flash boot magisk_patched.img
fastboot reboot
Posle vypolneniya komandy perezagruzki ustroystvo dolzhno zagruzitsya s uzhe vnedrennymi pravami superpolzovatelya. If the bootloader has been locked, the command fastboot flashing unlock must be executed before flashing the patched image. Please note that this command completely clears all user data on the TV.
What is Bootloader and why unlock it?
Bootloader is a app that runs before the operating system boots. It verifies the digital signature of the kernel. Razblokirovka pozvolyaet zagruzhat modifitsirovannye yadra s pravami root, no stiraet dannye ustroystva radi bezopasnosti.
Ispolzovanie ADB dlya upravleniya pravami
Instrument ADB (Android Debug Bridge) yavlyaetsya osnovnym sredstvom vzaimodeystviya s televizorom s kompyutera. Even without full root access, some ADB commands allow you to temporarily gain elevated privileges or uninstall applications for the current user. However, for permanent root you need shell access with rights #.
To work, you will need to install the package Platform Tools on your computer. Connect your TV and PC to the same Wi-Fi network or connect them with a USB-to-USB cable (if your TV has a corresponding port). In the computer command line, enter the command to connect:
adb connect 192.168.1.XX:5555
Where 192.168.1.XX is the IP address of your TV, which can be found in the network settings. Once connected successfully, you can send commands. To check for root access, use the command adb shell su -c"id". If you see uid=0(root)in response, then the rights were obtained successfully.
| ADB Command | Description of action | Requires Root |
|---|---|---|
adb shell pm list packages |
List all installed packages | No |
adb shell pm uninstall -k --user 0 <package> |
Deleting an application for the current user | No (partially) |
adb shell mount -o remount,rw /system |
Remounting the system partition into recording mode | Yes |
adb shell reboot bootloader |
Rebooting the device into recording mode Fastboot | Net |
Vazhno ponimat raznitsu mezhdu vremennym dostupom i postoyannoy proshivkoy. Komandy cherez ADB bez razblokirovannogo zagruzchika chasto sbrasyvayutsya posle perezagruzki. Dlya postoyannogo izmeneniya sistemnykh faylov neobkhodima imenno proshivka modifitsirovannogo obraza cherez Fastboot rezhim.
Ispolzuyte programmu"ADB AppControl" na PK dlya udobnogo upravleniya prilozheniyami na televizore. It has a graphical interface and allows you to remove system software in one click without entering complex commands.
The specifics of rooting different brands
The procedure for obtaining root access is radically different depending on the device manufacturer. Ustroystva na chipakh Amlogic, kotorye chasto ispolzuyutsya v byudzhetnykh pristavkakh (X96, Tanix), obychno imeyut razblokiruemyy zagruzchik i podderzhivayut standartnye metody cherez burn card maker ili USB Burning Tool.
Televizory Sony na Android TV imeyut more stringent protection. For many models, it is possible to unlock the bootloader through the official Sony developer website, but this requires registration and generation of a unique unlock code for a specific device serial number. Protsedura neobratima i udalyaet klyuchi DRM (Widevine L1), chto snizhaet kachestvo kartinki v Netflix do HD.
Ustroystva Xiaomi i NVIDIA Shield occupy an intermediate position. For (Xiaomi), you need to wait 168 hours after linking your Mi Unlock account before unlocking. NVIDIA Shield TV Officially supports bootloader unlocking through the NVIDIA developer site, making it one of the friendliest platforms for modding.
โ ๏ธ Attention: On devices with processors MediaTek or Realtek standard Fastboot methods often do not work. They may require specific tools like SP Flash Tool and searching for Scatter files, which significantly increases the risk of failure.
The success of rooting is 90% dependent on the processor model and bootloader version, and not on the Android version. Always look for instructions specifically for your chipset.
Risks, problems and system recovery
The main problem after getting root is the loss of security certificates Widevine L1. This standard is responsible for playing high-definition content (4K, HDR) on streaming platforms. When unlocking the bootloader, the protection level often drops to L3, which limits the video quality on Netflix, Disney+ and Amazon Prime to 480p or 720p.
Bootloops are also possible. If the patched image boot.img is incompatible with the kernel of your firmware, the TV will not be able to boot. In most cases, this is solved by returning to the mode Fastboot (by holding down the volume buttons or a special pin code on the board) and flashing the stock image.
Some banking applications and services with high security may refuse to work on a rooted device. Although Magisk Hide allows you to hide the fact of having root access, the constant arms race between application developers and creators of bypass methods makes this feature unstable.
- ๐ Loss of support for HDR and 4K in protected streaming services due to the Widevine reset.
- ๐ Risk of getting into a bootloop due to an error in the patch kernel or incompatibility of versions.
- ๐ Failure of applications with a high degree of protection (banks, DRM content).
- โก Possible decrease in system stability and the appearance of random freezes.
To restore functionality, always save the original file boot.img and stock firmware before starting any manipulations. Having a factory system dump is the only guarantee that you will be able to bring the device back to life in the event of a critical failure.
Is it possible to get Root without unlocking the bootloader?
In rare cases, this is possible through the use of system vulnerabilities (exploits), such as KingRoot or old versions of Towelroot. However, on modern versions of Android TV (9.0 and higher), such security holes are usually closed, and the method does not work.
Will Factory Reset reset root access?
No, a regular reset to factory settings from the TV menu does not remove Magisk and does not lock the bootloader back. root access is preserved. To remove them, you need to flash the original boot.img or do a complete flashing with the stock image.
Is it safe to install OTA updates on a rooted TV?
It is strictly not recommended. Installing an over-the-air update on a modified system will most likely result in a bootloop. Before updating, you need to temporarily remove Magisk (complete removal in the application settings), update, and then get root again.
What file is needed for flashing firmware via Fastboot?
The main file is boot.img. This is where the Magisk code is entered. In some cases, firmware may also be required (custom recovery), but on many Android TVs the recovery partition is missing or inaccessible to the user. recovery.img (custom recovery), but on many Android TVs the recovery partition is missing or inaccessible to the user.
Will I lose the warranty if I return everything as it was?
Technically, traces of unlocking the bootloader often remain in the device logs (flag 0x1 in the bootloader). Even after returning the stock firmware, the service center, during in-depth diagnostics, may see the fact of interference and deny the warranty.