How to Root Samsung Galaxy A21: A Step-by-Step Guide

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Samsung Galaxy A21 is a popular mid-range smartphone that offers a plethora of features and functionalities. While the phone operates smoothly out of the box, some advanced users may want to gain root access to unlock the full potential of the device. Rooting a Samsung Galaxy A21 can provide you with additional control over your phone, allowing you to customize your device, remove bloatware, and install custom ROMs. In this comprehensive guide, we will walk you through the process of rooting your Samsung Galaxy A21, step-by-step.

Table of Contents

What is Rooting?

Rooting is the process of gaining administrative privileges or “root access” on an Android device. By default, Android devices come with certain restrictions imposed by the manufacturer and carrier. Rooting allows you to overcome these limitations and grants you complete control over your device’s operating system.

Rooting a Samsung Galaxy A21 involves modifying the system files and software to obtain privileged control. Once you have rooted your device, you can perform various tasks that are otherwise inaccessible, such as removing pre-installed apps, customizing the user interface, and even overclocking the CPU for better performance.

Advantages of Rooting Samsung Galaxy A21

Rooting your Samsung Galaxy A21 offers a wide range of benefits and advantages:

  • Customization: Rooting allows you to customize your device’s appearance, user interface, and system settings according to your preferences. You can install custom ROMs, change fonts, icons, and themes, giving your phone a unique look and feel.
  • Bloatware Removal: Manufacturers often pre-install unnecessary apps and bloatware on their devices. Rooting enables you to remove these unwanted apps and reclaim valuable storage space.
  • Improved Performance: With root access, you can optimize your device’s performance by overclocking the CPU, tweaking system settings, and using performance-enhancing apps.
  • Backup and Restore: Rooting allows you to perform complete system backups, including app data and settings. This ensures that you can easily restore your device to a previous state in case of any issues or data loss.
  • Ad-Blocking: Rooting enables you to block ads system-wide, providing a seamless and ad-free user experience.

While rooting offers numerous advantages, it is important to note that it also comes with some risks and drawbacks. Rooting your Samsung Galaxy A21 will void your warranty, and there is a possibility of bricking your device if the rooting process is not followed correctly. However, if you follow the instructions carefully, the benefits of rooting will outweigh the potential risks.

Precautions Before Rooting Samsung Galaxy A21

Before you proceed with rooting your Samsung Galaxy A21, it is crucial to take some precautions to ensure a smooth and safe rooting process:

  • Backup Your Data: Rooting involves modifying system files, which can sometimes lead to data loss. It is essential to back up all your important data, including contacts, photos, videos, and documents, to a secure location before proceeding with the rooting process.
  • Charge Your Device: Ensure that your Samsung Galaxy A21 has sufficient battery charge to complete the rooting process. A fully charged device will prevent any interruptions during the rooting process.
  • Enable USB Debugging: USB debugging must be enabled on your Samsung Galaxy A21 to allow communication between your device and the computer. To enable USB debugging, go to Settings > Developer Options > USB Debugging and toggle it on. If you don’t see Developer Options in your settings, go to Settings > About Phone > Software Information > tap on “Build number” seven times to enable Developer Options.
  • Install Samsung USB Drivers: Ensure that you have the latest Samsung USB drivers installed on your computer. You can download the drivers from the official Samsung website or use a reliable driver tool to install them automatically.
  • Research: Before proceeding with any rooting method, thoroughly research the method, tools, and potential risks. Make sure you understand the steps involved and gather all the necessary resources to avoid any complications during the rooting process.

Methods to Root Samsung Galaxy A21

There are several methods available to root your Samsung Galaxy A21. In this article, we will cover two popular and reliable methods: One-Click Rooting with KingoRoot and Rooting with TWRP Recovery.

Method 1: One-Click Rooting with KingoRoot

KingoRoot is a popular one-click rooting tool that simplifies the rooting process and supports a wide range of Android devices, including the Samsung Galaxy A21. Follow the step-by-step instructions below to root your Samsung Galaxy A21 using KingoRoot:

  1. Download and install the KingoRoot software on your computer from the official website.
  2. Enable USB debugging on your Samsung Galaxy A21 by going to Settings > Developer Options > USB Debugging and toggle it on. Connect your device to the computer using a USB cable.
  3. Launch the KingoRoot software on your computer and click on the “Root” button.
  4. Wait for KingoRoot to analyze your device and install the necessary drivers.
  5. Once the device is recognized, click on the “Root” button again to start the rooting process.
  6. Wait for the process to complete. Your device may restart multiple times during the process.
  7. Once the rooting process is finished, you will see a “Root Succeeded” message on the KingoRoot software.
  8. Disconnect your Samsung Galaxy A21 from the computer and restart your device.
  9. Congratulations! Your Samsung Galaxy A21 is now rooted.

It is important to note that KingoRoot may not work for all devices and firmware versions. If KingoRoot fails to root your Samsung Galaxy A21, you can try the alternative method mentioned below.

Method 2: Rooting with TWRP Recovery

Rooting with TWRP (TeamWin Recovery Project) is another popular method that involves installing a custom recovery on your Samsung Galaxy A21 and then flashing the SuperSU or Magisk zip file to gain root access. Follow the step-by-step instructions below to root your Samsung Galaxy A21 using TWRP Recovery:

  1. Download the TWRP recovery image file and the latest version of the SuperSU or Magisk zip file to your computer.
  2. Enable USB debugging on your Samsung Galaxy A21 by going to Settings > Developer Options > USB Debugging and toggle it on. Connect your device to the computer using a USB cable.
  3. Copy the TWRP recovery image file to the ADB installation folder on your computer.
  4. Launch the Command Prompt or Terminal on your computer and navigate to the ADB installation folder.
  5. Boot your Samsung Galaxy A21 into fastboot mode by turning off your device and then pressing the Volume Down + Power buttons simultaneously.
  6. Once in fastboot mode, connect your device to the computer and type the following command to flash the TWRP recovery image:
    fastboot flash recovery twrp_image.img
  7. After the flashing process is complete, reboot your device into recovery mode by pressing the Volume Up + Power buttons simultaneously.
  8. In TWRP recovery, navigate to the “Install” option and select the SuperSU or Magisk zip file that you copied earlier.
  9. Swipe to confirm the installation and wait for the process to complete.
  10. Once the installation is finished, reboot your device.
  11. Congratulations! Your Samsung Galaxy A21 is now rooted.

It is important to note that rooting your device using TWRP recovery may void your warranty and can potentially brick your device if not done correctly. Ensure that you follow the instructions carefully and take necessary precautions.

Conclusion

Rooting your Samsung Galaxy A21 can unlock a whole new world of possibilities, allowing you to customize your device, remove bloatware, and optimize its performance. In this article, we discussed the concept of rooting, the advantages and precautions of rooting a Samsung Galaxy A21, and provided step-by-step instructions for two popular rooting methods: One-Click Rooting with KingoRoot and Rooting with TWRP Recovery.

Before proceeding with rooting, it is crucial to understand the risks involved and take necessary precautions, such as backing up your data and researching the rooting methods thoroughly. While rooting offers numerous benefits, it is important to remember that it voids your warranty and may have potential risks. However, if you follow the instructions carefully, rooting can enhance your Android experience and give you unprecedented control over your Samsung Galaxy A21.

FAQs

1. Does rooting Samsung Galaxy A21 void the warranty?

Yes, rooting your Samsung Galaxy A21 voids the warranty provided by the manufacturer. Once rooted, the warranty will no longer cover any damages or issues caused by the rooting process.

2. Can I unroot my Samsung Galaxy A21 after rooting?

Yes, you can unroot your Samsung Galaxy A21 after rooting by using the SuperSU app or flashing the stock firmware using Odin. However, unrooting will not reinstate the warranty.

3. Will rooting my Samsung Galaxy A21 improve its performance?

Rooting your Samsung Galaxy A21 can potentially improve its performance by allowing you to overclock the CPU, tweak system settings, and use performance-enhancing apps. However, improper use or modification of system files can also lead to decreased performance or instability.

4. Can I still receive software updates after rooting my Samsung Galaxy A21?

Rooting your Samsung Galaxy A21 may prevent you from receiving official software updates via Over-The-Air (OTA) updates. However, you can manually install updates by flashing the stock firmware using Odin.

5. Is rooting Samsung Galaxy A21 safe?

Rooting your Samsung Galaxy A21 involves certain risks, such as voiding the warranty and potentially bricking your device if not done correctly. However, if you follow the instructions carefully, take necessary precautions, and use reliable rooting methods, the process can be relatively safe.

Summary

Rooting your Samsung Galaxy A21 can unlock a world of possibilities, allowing you to customize your device, remove bloatware, and optimize its performance. In this article, we explored the concept of rooting, discussed the advantages and precautions of rooting a Samsung Galaxy A21, and provided step-by-step instructions for two popular rooting methods: One-Click Rooting with KingoRoot and Rooting with TWRP Recovery.

Before proceeding with rooting, it is important to understand the risks involved and take necessary precautions. Backing up your data, enabling USB debugging, and researching the rooting methods are essential steps to ensure a smooth and safe rooting process. While rooting voids the warranty and comes with potential risks, it can greatly enhance your Android experience and give you unprecedented control over your Samsung Galaxy A21.

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