How to Unlock Bootloader on Samsung Devices Using APKs
If you are an Android enthusiast who wants to customize your Samsung device with root access, custom ROMs, or other modifications, you will need to unlock the bootloader first. The bootloader is a software that controls what programs run when you power on your device. By default, it only allows the official operating system and recovery to boot. Unlocking the bootloader will enable you to flash any custom software you want.
However, unlocking the bootloader is not an easy task. It requires some technical knowledge and preparation. It also involves some risks, such as voiding your warranty, losing your data, and exposing your device to security threats. In this article, we will show you how to unlock the bootloader on Samsung devices using APKs (Android applications). We will also explain the benefits and drawbacks of doing so.
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What are the Benefits of Unlocking Bootloader on Samsung Devices?
Unlocking the bootloader on Samsung devices can give you some advantages, such as:
Root access: You can gain full control over your device and access system files and settings that are normally hidden or restricted. You can also install root apps that can enhance your device's performance, functionality, and customization.
Custom ROMs: You can install custom versions of Android that offer different features, themes, and optimizations than the stock firmware. You can also update your device to the latest Android version or try out different Android flavors.
Custom recovery: You can replace the stock recovery with a custom one that can perform advanced tasks such as backup and restore, wipe data, flash ZIP files, and more.
Custom kernels: You can change the core software that manages your device's hardware and software interaction. You can tweak your device's performance, battery life, sound quality, and more.
Custom mods: You can install various modifications that can change or add features to your device. For example, you can install Xposed Framework that can enable hundreds of modules for customization.
What are the Risks of Unlocking Bootloader on Samsung Devices?
Unlocking the bootloader on Samsung devices can also have some disadvantages, such as:
Warranty void: Most manufacturers and carriers do not support devices with unlocked bootloaders. They may refuse to provide warranty service or charge extra fees for repairs.
Data loss: The unlocking process will erase all your data on your device. You will need to backup your important files before proceeding.
Security issues: An unlocked bootloader will allow anyone with physical access to your device to boot any software they want. They can bypass your lock screen password or PIN and access your personal information. They can also install malware or spyware that can harm your device or steal your data.
Bricking: If you flash an incompatible or corrupted software on your device, you may end up with a bricked device that won't boot at all. You will need to use special tools or methods to restore your device.
Instability: Some custom software may not work properly on your device. You may encounter bugs, crashes, freezes, or other issues that can affect your user experience.
How to Unlock Bootloader on Samsung Devices Using APKs?
The easiest way to unlock the bootloader on Samsung devices is to use APKs that can perform the unlocking process for you. However, not all Samsung devices are compatible with these APKs. Some devices may require additional steps or tools to unlock the bootloader. Here are some of the best unlock bootloader APKs for Samsung devices:
Kingo Root
Kingo Root is one of the most popular root apps that can also unlock the bootloader on some Samsung devices. It supports most Samsung models running Android 4.4 KitKat or lower. It is very easy to use and does not require a computer connection.
To use Kingo Root to unlock the bootloader on Samsung devices, follow these steps:
- Download and install Kingo Root APK on your Samsung device from .
- Launch the app and tap on "One Click Root" to start the rooting and unlocking process.
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- Wait for the app to detect your device model and firmware version.
- If your device is supported, the app will show a progress bar and a message saying "Rooting..."
- If the rooting and unlocking process is successful, the app will show a green check mark and a message saying "Root Succeeded".
- Reboot your device to complete the process.
- You can check if your bootloader is unlocked by booting into download mode. To do so, power off your device and press and hold the Volume Down, Home, and Power buttons simultaneously. If you see a warning screen that says "Custom OS can cause critical problems...", then your bootloader is unlocked.
Unlock Samsung Bootloader
Unlock Samsung Bootloader is another APK that can unlock the bootloader on some Samsung devices. It supports most Samsung models running Android 5.0 Lollipop or higher. It requires a computer connection and a USB cable.
To use Unlock Samsung Bootloader to unlock the bootloader on Samsung devices, follow these steps:
- Download and install Unlock Samsung Bootloader APK on your Samsung device from .
- Enable USB debugging and OEM unlocking on your device. To do so, go to Settings > About phone > Software information and tap on Build number seven times. Then, go to Settings > Developer options and turn on USB debugging and OEM unlocking.
- Connect your device to your computer using a USB cable.
- Launch the app and tap on "Unlock Bootloader" to start the unlocking process.
- Wait for the app to communicate with your device and computer.
- If your device is supported, the app will show a message saying "Unlocking Bootloader..."
- If the unlocking process is successful, the app will show a message saying "Bootloader Unlocked".
- Reboot your device to complete the process.
- You can check if your bootloader is unlocked by booting into download mode as explained above.
CF-Auto-Root
CF-Auto-Root is a tool that can root and unlock the bootloader on some Samsung devices. It supports most Samsung models running Android 6.0 Marshmallow or lower. It requires a computer connection, a USB cable, and Odin software.
To use CF-Auto-Root to unlock the bootloader on Samsung devices, follow these steps: - Download and install the drivers for your device from .
- Download the CF-Auto-Root package according to your device model from .
- Extract the downloaded package. You will get a .tar.md5 file and an Odin3-v3.10.6.exe file.
- Run the Odin3-v3.10.6.exe file as administrator.
- Power off your device and boot it into download mode. To do so, press and hold the Volume Down, Home, and Power buttons simultaneously until you see a warning screen. Then press the Volume Up button to continue.
- Connect your device to your computer using a USB cable. The Odin window on PC should detect the device and show an "Added!!" message.
- Click on the AP tab on Odin window and select the CF-Auto-Root.tar.md5 file.
- Make sure that only "Auto Reboot" and "F. Reset Time" options are checked on Odin. Do not touch any other settings.
- Click the Start button on Odin and wait for it to finish the process. If the rooting and unlocking process is successful, you will see a green "PASS!" message on Odin.
- Your device will reboot automatically. You can disconnect it from your computer.
- You can check if your bootloader is unlocked by booting into download mode as explained above.
How to Check if Your Bootloader is Unlocked?
There are different ways to check if your bootloader is unlocked or not. Here are some of them:
Using Fastboot Commands
If you have fastboot installed on your computer, you can use it to check the bootloader status of your device. To do so, follow these steps:
- Enable USB debugging and OEM unlocking on your device as explained above.
- Connect your device to your computer using a USB cable.
- Open a command prompt or terminal window on your computer and navigate to the folder where fastboot is located.
- Type the following command and press enter:
fastboot devices
- If your device is detected, you will see its serial number on the screen.
- Type the following command and press enter:
fastboot oem device-info
- If your bootloader is unlocked, you will see a message like this:
(bootloader) Device unlocked: true
- If your bootloader is locked, you will see a message like this:
(bootloader) Device unlocked: false
Using Root Checker App
If you have rooted your device using any of the methods above, you can also use a root checker app to verify the bootloader status of your device. To do so, follow these steps:
- Download and install Root Checker app from .
- Launch the app and grant it root permissions if prompted.
- Tap on "Verify Root" to check if your device is rooted or not.
- If your device is rooted, you will see a green check mark and a message saying "Congratulations! Root access is properly installed on this device!"
- Tap on "Advanced Root Check" to check more details about your device.
- If your bootloader is unlocked, you will see a message like this:
Bootloader: Unlocked - If your bootloader is locked, you will see a message like this:
Bootloader: Locked
How to Relock Bootloader on Samsung Devices?
If you want to revert back to the original state of your device, you can relock the bootloader on Samsung devices. However, this will also remove the root access and any custom software you have installed. You will need to flash the stock firmware on your device using Odin software. To do so, follow these steps:
- Download the stock firmware for your device model and region from .
- Extract the downloaded firmware. You will get a .tar.md5 file.
- Run the Odin3-v3.10.6.exe file as administrator.
- Power off your device and boot it into download mode as explained above.
- Connect your device to your computer using a USB cable. The Odin window on PC should detect the device and show an "Added!!" message.
- Click on the AP tab on Odin window and select the firmware .tar.md5 file.
- Make sure that only "Auto Reboot" and "F. Reset Time" options are checked on Odin. Do not touch any other settings.
- Click the Start button on Odin and wait for it to finish the process. If the flashing process is successful, you will see a green "PASS!" message on Odin.
- Your device will reboot automatically. You can disconnect it from your computer.
- You can check if your bootloader is locked by booting into download mode as explained above.
Conclusion
In this article, we have shown you how to unlock the bootloader on Samsung devices using APKs. We have also explained the benefits and risks of doing so, and how to check and relock the bootloader status. Unlocking the bootloader can give you more freedom and possibilities to customize your device, but it also involves some challenges and dangers. You should always backup your data and follow the instructions carefully before proceeding. If you have any questions or doubts, feel free to ask us in the comments below.
FAQs
Q: What is a bootloader?
A: A bootloader is a software that controls what programs run when you power on your device. By default, it only allows the official operating system and recovery to boot. Unlocking the bootloader will enable you to flash any custom software you want.
Q: What is an APK?
A: An APK is an Android application package that contains all the files and resources needed to install an app on your device. You can download APKs from various sources online or transfer them from your computer.
Q: What is Odin?
A: Odin is a software that can flash firmware files on Samsung devices. It can be used to restore your device to stock condition, update your device, or unlock the bootloader.
Q: What is fastboot?
A: Fastboot is a protocol that can communicate with your device's bootloader. It can be used to flash files, erase partitions, or execute commands on your device.
Q: What is root access?
A: Root access is the ability to gain full control over your device and access system files and settings that are normally hidden or restricted. You can also install root apps that can enhance your device's performance, functionality, and customization. 44f88ac181
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