Root access. Why do you need Root in Android?


If you want to dig into the Android system, you may find that many applications require root rights. Recently, there is practically no need to obtain superuser rights, but still some applications require root rights. This article describes how to root Android and why you might need them.

Why do you need root rights on Android?

Android is based on Linux. On Linux and other Unix-like operating systems, the root user is equivalent to the administrator on Windows. The root user has access to the entire operating system and can do anything. By default, you are not rooted on your Android device, and some apps will not work without root privileges. Like other modern mobile operating systems, Android runs applications in a sandbox for security purposes.

A root user always exists in Android, there's just no built-in way to access it. Getting root rights means that you gain access to an account with superuser rights. This process is often compared to jailbreaking an iPhone or iPad, but rooting and jailbreaking are two different actions.

Root rights allow you to do many useful things. With superuser rights, you can uninstall or freeze pre-installed applications, run a firewall, enable tethering even if your carrier blocks it, create a system backup, and use many other settings that require low-level system access.

Applications that require root access are not difficult to find in the Google Play Store, but they will not work unless you have root access. Some apps have features that work on rooted devices. Therefore, you need to learn how to root Android to take advantage of these features.

Warnings

Android devices cannot be rooted for various reasons. In fact, device manufacturers are trying their best to prevent you from obtaining rights to an Android gadget. And that's why:

  • Safety: On rooted devices, applications run outside the sandbox. Applications can abuse the superuser rights you have granted and break into other applications, which is usually not possible. Therefore, Google does not approve the use of Android Pay on rooted devices.
  • Guarantee: Some manufacturers claim that after receiving root rights, the warranty disappears. However, gaining root privileges will not break the hardware. In many cases, you can perform the non-root procedure and the manufacturer will not be able to know whether the root rights have been obtained or not.
  • Breaking: As always, you do this at your own risk. Obtaining root rights is usually a safe process, but you do it yourself. If you mess something up, you won't be able to count on free warranty service to fix it. If you are worried whether everything will go smoothly, we recommend that you first look for information about successfully obtaining superuser rights on your device to be sure that there will be no pitfalls in the process.

Additionally, rooting may void your warranty, at least for some repairs.

Several ways on how to open root rights on Android

There are many ways to root Android, and which one you should use depends on your phone. In general, rooting will involve one of these processes:

  • Unlocking the bootloader: Google and device manufacturers do not officially support rooting, but they do provide an official way for low-level access to some devices, which allows you to later gain root rights. For example, Nexus devices are designed for developers and you can easily unlock the bootloader with a single command. And then get root rights to download the .zip archive containing the file to obtain rights through the recovery screen. The Nexus Root Toolkit for Nexus devices automates this process. Other manufacturers also offer bootloader unlocking methods, but only for certain devices.
  • Exploiting a Security Vulnerability: Other devices are blocked. Their manufacturers do not provide an official way to unlock their bootloader and tamper with their software. These devices can only be rooted by exploiting a security vulnerability that allows the necessary file to be installed on the system partition.
  • Installing CyanogenMod or other custom firmware on Android: Technically, this is an extension of one of the above methods. Unlocking the operating system's bootloader and exploiting a security vulnerability allows you to install custom ROMs, such as CyanogenMod, which are often already rooted. CyanogenMod has a simple toggle in the settings that allows you to enable or disable root access. Updating to a new version of CyanogenMod or other custom firmware will not disable root rights if the firmware is already rooted.

In this article we will primarily use the first method, which involves an unlocked bootloader. If your phone requires exploitation of a vulnerability, then we will not be able to help you as this process is different for each phone. You can search for information on how to root Android on the XDA Developers forum. You can use the Kingo Root and Towelroot applications, which allow you to gain superuser rights in one click.

Before you can root your android, you will need to unlock the bootloader using the official method and then install the TWRP recovery environment using these instructions. We will use TWRP to root your phone.

How to download SuperSU on your phone and get root access

So, your bootloader is unlocked and you have installed TWRP. Great! You've done almost everything. To root we are going to use the SuperSU program. This is the best application that can provide root access to other applications. SuperSU is also available in the Google Play Store, but this version will not give you superuser rights, it can only be used if you already have root rights. Luckily SuperSU is also available as a .zip file that we can download from TWRP. This will allow you to gain superuser rights and install the SuperSU application.

So, to get started, follow this link to download the latest version of SuperSU. Download the .zip file to your computer, connect your phone via USB cable to your PC and download SuperSU to your phone.

Next, boot your phone into TWRP mode. This is done differently on different phones, but usually you need to turn off the phone and press and hold the power button + volume up key for 10 seconds, then use the volume keys to go to “Recovery Mode” and press the power button to select it .

Once you do this you will be taken to the TWRP main screen. Click on the "Install" button.

NOTE: You must make a twrp backup before continuing.

The following screen will appear. Scroll down and navigate to the zip file you downloaded earlier.

Click on the zip file and you will see this screen. Swipe the slider to confirm installation.

When the process is complete, click on the “Wipe cache/Dalvik” button that appears and swipe the slider to confirm.

When the process is complete, click on the “Reboot System” button to reboot the Android system.

If TWRP asks whether to install SuperSU, click “Do Not Install”. Sometimes, TWRP cannot detect that you already have SuperSU installed.

Managing root rights with the SuperSU application

Now that you have learned how to open root rights on Android, you need to learn how to manage these rights.

After rebooting your phone, you should see a new SuperSU icon in the application menu. SuperSU distributes rights to applications that require them. Whenever an application wants to ask for superuser rights, it must ask your application SuperSU, which will show this request. To make sure that root rights are working, you can download the Root Checker application to check superuser rights.

For example, let's open and add the Clean Master application, which allows you to clean your device of accumulated garbage. It requires root rights for more effective cleansing. After launch, you will see a message stating that you need to provide superuser rights. Click Submit.

To manage root rights, open the application menu and click on the SuperSU icon. You will see a list of applications that have been granted or denied superuser rights. You can click on an application to change its permissions.

To remove root rights, open the SuperSU application, go to settings and select the “Complete Root removal” option. If this is applicable for your device, then root rights will be removed.

Now you know how to open root rights on Android and how to remove them. Good luck!

Although the Android operating system is considered open, users receive full access to it only after activating Root rights. They allow the user to edit and change system files, which may be necessary to change the appearance of the system, obtain new functions, hack games and programs, and make many other changes that a user without Root rights cannot make.

When Root rights are activated on an Android smartphone or tablet, it loses security and various other problems may occur with it. In such a situation, the user has a question about how to remove Root rights from Android, and in this article we will look at the main ways to do this.

Removing Root rights through a file manager

As mentioned above, Root rights give the user complete control over the device and the ability to edit all files in it. Accordingly, you can make changes to system files that will cancel Root access. In fact, to do this, you just need to erase all files from the device that put it into Super User mode - a user with advanced rights.

To remove Root rights, you must first install any file manager. You can find many of them in the Play Market - ES File Explorer, Total Commander, X-Plore File Manager and others. Launch the file manager and do the following:

You can check the presence or absence of Root rights using the Root Checker application, which is available for free on the Play Market. Download it, run it and check whether the program detects whether the device has Root rights or not.

Removing Root rights using the application

If you don’t want to tinker with the device’s system files, you can refuse Root rights using a special application – SuperSU. The disadvantage of this method is that it only works in a situation where third-party firmware was not installed on the device using Root rights. Otherwise, when you reboot the device, the installed software on your smartphone or tablet will return Root access.

To use the SuperSU program to remove Root rights from a device, you need to do the following:

It is worth noting that SuperSU is not the only program that allows you to remove Root rights from a device. There is its paid analogue Unroot, which also allows you to refuse Root access, and in some situations it copes when SuperSU has problems.

Note: Some smartphones, for example, the Galaxy series from Samsung, are protected by the manufacturer in such a way that it will not be possible to obtain and remove Root rights from them in the standard way. If none of the above methods helped remove Root rights from your smartphone or tablet, it is recommended to find instructions for a specific device model on specialized forums.

After removing Root rights from a device, various problems may arise. For example, a smartphone or tablet will start to reboot on its own for no reason. In such a situation, you need to reset the device to factory settings through the system menu. To do this, do the following:


After this, the smartphone or tablet will start working in standard mode without errors.

Root- This is the main administrator or superuser account. With access to this profile, a number of opportunities appear that are not available in normal operation.

Obtaining Root rights can lead to serious problems!

If you are not an advanced user and don’t really know why Root rights are needed, we strongly DO NOT RECOMMEND getting them, because... There is always a chance that the phone will no longer turn on and will require repair! In addition, if you obtain Root rights, the manufacturer may deny you a warranty.

Applications designed to obtain Root rights are detected by antivirus programs as viruses. This happens because these are essentially virus “exploits” that penetrate the system kernel and unlock special privileges. Therefore, to download and install such applications, you need to disable your antivirus!

Types of Root rights:

  • Full Root- full and permanent Root rights without restrictions;
  • Shell Root (not suitable for Mobiletool) - permanent Root rights, but without access to change the \system folder;
  • Temporary Root (not suitable for Mobiletool)- temporary Root rights. If it is not possible to get a full Root, you can usually always get a temporary root. After a reboot, superuser rights disappear.

Is it possible to get Root rights on all smartphones?

Unfortunately no. Some devices have one unpleasant thing called NAND lock. This feature does not allow you to make any changes to the /system partition, which prevents you from installing the SuperUser program. Full Root on such devices cannot be obtained without unlocking them. It is only possible to get Shell Root or Temporary Root.

How to get Root rights for android

There is a huge amount of information on the Internet about ways to obtain Root access on Android. Each device has its own methods for obtaining Root rights, which you can find on forums dedicated specifically to your device. In this article, we tried to collect the most universal ways to obtain Root rights for most devices.

1. Obtaining Root rights using the Universal AndRoot application. The application supports many devices and allows you to obtain superuser rights in 2 taps. The application does not work on all devices.

2. Obtaining Root rights using the z4root application for Android. The entire process of obtaining Root rights is in 2 clicks. The list of supported devices is quite large. It is possible to obtain temporary Root rights.

3. SuperOneClick - another way to obtain Root rights. Superuser rights are obtained using a PC program via a USB connection to a smartphone.

4. Another universal way to obtain Root rights: using the Kingo Android ROOT utility. Suitable for most devices. Installed on a PC, the process of obtaining Root rights is quite simple.

Root access to the Android system.

Root – access is access to the Android system with administrator rights. That is, rooting is a change in the operating system that will lead to the provision of greater capabilities in managing the smartphone.

The very concept of root as a superuser comes from the Linux system, the basis and kernel of Android. Those who have an idea of ​​​​working in this system know that root is a built-in system administrator account, which has many additional features that are not available to other ordinary users.

To provide this level of access on your smartphone, simply install a program called su (short for superuser) on it. As a superuser, you can access system files, view the cache, and do many other things.

Why is this level of access needed?

Does it make sense to do this? The fact is that many applications have been developed that require access with full rights to install and run. Their use can significantly expand the capabilities of any smartphone and make working with it much more interesting. These are applications such as Root Explorer, Task Manager For Root, and others. The description of programs of this type indicates that it requires root access.

With full access to the Android system, you can perform many other functions, such as:

Make changes to operating system files, as well as shortcuts and themes;

Remove standard operating system programs;

Run any executable files intended for Linux;

Create a complete backup of the installed system with all settings and applications using additional programs;

Launch Tether applications, which will make it possible to use a specific smartphone as an access point (in version Android 2.2 this feature is made standard).

Available firmware with full administrator rights can additionally allow users to install applications on the memory card, transfer the cache to the card, change many system settings that are not accessible through the standard options menu, and other capabilities.

You need to keep in mind that simply granting root rights will not add these capabilities to your smartphone; you also need to install the necessary programs, or make changes to the system files yourself.

What types of root access are there?

The Android system has several types of root administrative access:

Temporary root – temporary granting of administrative rights to perform certain functions. After a system reboot, normal user rights return.

Shell root – permanent administrator rights without access to the system folder.

Full root – full permanent unlimited access with administrator rights.

How safe is it?

Of course, such full access to the operating system can be dangerous.

First of all, installing a program on a smartphone that provides root access will void the warranty. This is due to the fact that this level of access can cause irreparable harm to the operating system if handled incorrectly or simply carelessly.

Unfortunately, it is not always possible to return the phone to normal mode. This depends on the specific smartphone model. For some, returning to standard mode does not present any difficulties, for others it is more difficult. Therefore, before enabling rooting, it is worth checking on the Internet about the possibility of returning everything back in the future.

Problems may also arise with installing updates. The fact is that standard updates are installed only on a licensed and unmodified version of the operating system. Therefore, you can return your smartphone to normal mode, install updates, and then switch it back to root mode.

Thus, rooting can provide a lot of additional opportunities to smartphone owners, but at the same time it can become a source of additional danger and headaches.

How to get root access on my smartphone?

At the moment, there are both applications for automatically obtaining root access for various smartphones literally in one click, and applications aimed at hacking a specific model. Among the automated tools, the most famous are:,. However, universal rooters are often limited to a certain number of models that they are suitable for, and therefore you often have to look for instructions and tools for getting root on your smartphone yourself, for example, in thematic sections of the XDA forum.

Good quality used phones

Should I talk?

G.A.P:
Inspired by many forums:
User - AAA!!! I need root, please explain/give me everything urgently!!!
All - Everything is chewed up in the “hat”, take it and do it.
A couple of days pass...
User - AAA!!! Help, the body is dead and doesn’t work, I can’t do anything!!!
All - You did all operations with your phone at your own peril and risk, everything is written in the header.
A curtain.
:)
P.S. Three devices on different robots and never needed root access :) Maybe I’m somehow wrong? ;)

G.A.P:
In principle, this is correct, and I believe that if the system does not allow you to solve your urgent problems and increase functionality without interfering with it with the risk of losing everything, it is no credit to the developer/manufacturer and my money goes to someone else. It’s like this everywhere - voting with coins :)

Pavlik:
You need to have Ruth at least to remove unnecessary junk hanging in the operative.







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