In this Article, You will be able to learn How to Unblock Bootloader of Samsung Phone. We have shared 4 methods to unlock bootloader.
An Android device consists of several pieces of software, which include the bootloader, radio, recovery, and system. The bootloader is the first piece of software that is run when your device turns on. It decides whether to load the recovery or load Android and the radio. It packages the instructions to boot operating system kernel and most of them are specifically designed to run their own debugging or modification environment. And so does Samsung Phone.
People who want to get rid of third party OS add-ons like HTC’s Sence and Samsung’s TouchWiz normally prefer to install pure form of OS. Fortunately, there are a number of developers are developing the most user-friendly OS like CyanogenMod etc. So if you are among those who wish to root your device, unlocking bootloader is an essential step for you to perform. And here we are! to help you with that. in this article today, we have mentioned for you four different methods through which you can unlock bootloader in Samsung Phone.
What is Bootloader?
- 0.1 What is Bootloader?
- 0.2 How to Unlock Bootloader?
- 0.3 What is fastboot?
- 0.4 Pre-Requisite for Unlocking Bootloaders on your Samsung Phone:
- 1 How to Unlock Bootloader of Samsung Phone Using PC / Computer?
- 2 How to Unlock Bootloader of Samsung Phone Via PC?
- 3 How to Unlock Bootloader on Samsung Phone Using Tool?
- 4 How to Unlock Bootloader of Samsung Phone Without PC
- 5 What is Unlocking Bootloaders?
- 6 What are the advantages of unlocking Bootloader?
- 7 What are the disadvantages of unlocking Bootloader?
A bootloader is a code that is present in every Operating system so that the system can function. It is just a bunch of instructions package to launch the operating system once the device’s power is on. All gadgets that are powered by an operating system, conduct a bootloader. Now as we know Android is an open source operating system developed by Google, the bootloader of Android device is changed by the manufacturer.
It thus varies from manufacturer to manufacturer. The main reason for this being that the manufacturing companies make devices with different hardware types in it. Let us take a Samsung Phone of the Nexus Series the device gets an upgraded version of hardware whenever the new version of phone is launched
How to Unlock Bootloader?
A word of advice from me would be to not perform the task if you are not familiar with the tactics of android and if you are a newbie. Unlocking bootloaders may cost you more if you perform it carelessly. Here we have mentioned for you four methods through which you can unlock bootloaders on Samsung Phone. However, do read them all and follow whichever you choose with utmost attention.
What is fastboot?
Fastboot is a powerful tool that works only in bootloader or fastboot mode. It makes it possible for you to re-flash the system partitions on your Android Device and requires a device with an unlocked bootloader. When you wish to update your device suddenly or when you by mistake soft-brick your device and need to install a clean stock system image, you can make use of this great tool.
Pre-Requisite for Unlocking Bootloaders on your Samsung Phone:
- Laptop or a PC.
- Fully or nearly fully charged a phone.
- Working and latest USB Cable.
- Download ADB Fastboot Tools.
- Backup your Samsung Phone so as to not lose any data just in case.
- Download Mediatek VCOM Drivers.
Before you proceed to unlock the bootloader of your device, you should do a complete back-up of the system. The unlocking process will sweep all the data of Android. So it is important to backup any photos, videos, app data or other files on your device to a computer, an SD card or the online cloud. Backup everything you want to keep, then continue to the next step.
Unlocking the bootloader will trigger a factory reset that erases all device settings, user data, third-party applications and associated data from the device’s hardware storage. If your Samsung Phone, or part of it, is encrypted, the keys used for decryption might also be erased, leaving contents cryptographically inaccessible. Pre-installed applications and data stored on removable storage (such as a micro SD card) will not be affected. The factory reset will return the device to the condition it was in when shipped from the factory.
We have Shared Apps That can help you Root your Oppo Device in One Click. Here is the List
How to Unlock Bootloader of Samsung Phone Using PC / Computer?
For this method, you will need the unlock code that you will get by contacting the manufacturer. Some of them do not provide the code so it isn’t even worth a try, you can rather look for another option. However, if you get the code, here is the further procedure to follow:
Step 1. To begin with, you will need the unlock code which you can get by contacting the manufacturer as I said earlier. Once that you got it, Enable the developer option. You can do that by:
Go to Settings> About> Software Information> More> Tap on the Build Number 7-8 Times until you see a toast message- “Developer Option Enabled”.
Step 2. Now go back to settings and enable the OEM Unlock. You can do this by-
Settings> Developer Options and Enable OEM Unlock and USB debugging.
Step 3. Nextly, Download and Extract the Download ADB Fastboot Zip file on your Windows PC.
Step 4. Through the USB Cables, connect your phone to the PC.
Step 5. Once you have connected your Samsung Phone to the computer, wait until the drivers get installed.
Step 6. In the ADB Fastboot folder, open a command prompt Window by pressing Shift Key+ Right Mouse Click.
Step 7. Type the following command in your Window:
Step 8. If you come across one pop up to allow USB Debugging on your phone, Click OK. And then, type the command given below:
adb reboot bootlader
Step 9. Now that your Phone reboots into bootloader, check if your phone shows the bootloader locked and then type the command given below so as to know that the fastboot drivers are installed properly.
Step 10. With this command, you will see a list of the connected devices. If the serial number of your phone shows up, you are on the right way and ready for the next step. If your phone is not listed this shows that the drivers are not installed. For a further process, you will have to continue fixing your drivers then your phone may be listed in the list.
Step 11. Once that your phone is recognized by the command above, get back to unlocking the bootloader with the following command:
Note: This will wipe everything from your phone.😢
fastboot oem unlock
Step 12. Once the above command finishes executing, run the below command:
Step 13. Now your Phone will reboot. Wait until it’s booted completely. Once it’s done, you are good to go and have fun.
Also Check: How to Install TWRP Recovery on Samsung Devices.
How to Unlock Bootloader of Samsung Phone Via PC?
Step 1. To Begin with, Setup ADB and fastboot on your PC.
Step 2. Now Enable the USB Debugging and OEM Unlock on your Samsung Phone.
Step 3. Through the USB Cables, connect your Samsung Phone to the PC.
Step 4. Nextly, open the command window on your PC.
Step 5. Now is the time to boot your device into bootloader mode with the help of the command given below.
adb reboot bootloader
Now you may receive a request to authorize USB Debugging on your Samsung Phone, all you have to do is, accept it.
Step 6. So we can say that now your Samsung Phone is in the bootloader mode. For unlocking the bootloader, issue the command mentioned below.
Step 7. This is quite an optional step. If you get a confirmation screen on your device, Press the Volume Up button to highlight YES and press the Power button to select it. This initiates the bootloader unlocking process. This would take no more than a couple of minutes.
Step 8. Now that the bootloader is unlocked, Samsung Phone will reboot into the bootloader mode. You will have to boot it into your system by using the given command:
Step 9. While the process of a reboot, your device will be going through a factory reset and gradually boot into a system of it.
And you are done! Your device has bootloader is now unlocked!
How to Unlock Bootloader on Samsung Phone Using Tool?
At times, a 3rd Party Developer or Manufacturer itself will release a tool to unlock bootloader on their device. Check if the manufacturers of your Samsung Phone have them released.
How to Unlock Bootloader of Samsung Phone Without PC
Now in some of the MT6580 SoC devices, you get an option of unlocking bootloader. For this purpose, all you got to do is, Go to Settings> Developer Options or in Settings> About Phone and Turn Off the “OEM Lock”.
Why are bootloaders Locked?
The bootloaders generally come as in a locked form. The reason being, the companies want to blend their device with the Operating system. Each android device has a specifically designed bootloader to match its hardware. If you wish to flash a custom ROM like CyanogenMod on your device it is impossible to install when your device bootloader is locked. Unlocking a bootloader will open the opportunities to install ROM’s on Android.
What is Unlocking Bootloaders?
A Bootloader is a code which initializes some hardware and then loads the kernel and RAMdisk and gets the boot process going. It runs when we turn on our device. This whole process is termed as bootloader. This process is common for other devices as well. Be it a computer, laptop or Smartphones.
Basically, Unlock Bootloader makes it possible for you to Root your Android Smartphone. So by rooting your device, you can perform various tasks as Flashing TWRP and also Custom ROM in a much easier way. Now since the Manufacturers do not want the device to be rooted as they want you to use the Stock ROM, they made a policy. According to this policy, the smartphone is built with a locked Bootloader because of which the warranty of your device will be voided if you try to root it.
So if you wish to try any sort of Custom ROM, it is a necessity for you to unlock bootloader. For the whole procedure of unlocking bootloader using Fastboot, keep reading further.
What are the advantages of unlocking Bootloader?
- The main advantage of unlocking the bootloader on Samsung Phone and any other Android device is rooting.
- If you want your Samsung Phone rooted or if you want a custom ROM to install the unlocking bootloader is an initial step.
- You will be free to install a number of numerous Custom ROMs on your Samsung Phone.
- However it has advantages, you must be ready to prepare for disadvantages too. Bootloader unlocks can cause the loss of warranty.
What are the disadvantages of unlocking Bootloader?
- The warranty of your Samsung Phone may void if you unlock its bootloaders.
- A custom ROM might not work properly on your device, and certain functions and offerings may cease to work. The performance of the device might also be affected, and you may damage your device permanently.
- In a worst case, unlocking the bootloader will cause physical injuries or material damage, for Samsung Phone, due to the device overheating. Certain pre-loaded content on your device may also be inaccessible due to the removal of DRM security keys.
- The secure user data partition may also become inaccessible, and you will not be able to get any more official software upgrades if you unlock the bootloader.
By unlocking the bootloader, it’s possible to put custom ROMs on your Samsung Phone device. However, it is not as much essential to unlock bootloader, as you know its future consequences, the choice is all yours. We are proud to deliver great software experiences through our rigorously tested and official software releases. If you are not familiar with the risks involved, you should not proceed further.
Hope you guys found the article useful in Unlocking the Bootloaders in Samsung Phone. If you have any doubts or you are stuck at any of the steps given above, do let us know, we would be glad to help you all. Also, let us know if you want us to write on any of the tech-related topics. Keep visiting our page for more such posts. You can also subscribe to our newsletter to receive timely notifications of our updates.
Happy Androiding 🙂