Yes, you have come to the right place where you can unlock bootloader of Samsung Galaxy phone easily by following the complete step-by-step procedure given below. Why it is needed to unlock the bootloader that have come up to your mind; it is very simple. If you have to root your Samsung device then you need to unlock the bootloader and install that TWRP recovery. Without this you cannot root your device.
Here we have given procedure to unlock the bootloader with PC and without PC. Due to security reasons the Smartphone manufacturer uses the bootloader. If you want to install the third party custom ROM then you must have to unlock by using root or custom recovery. Once you have unlocked the bootloader then the warranty of the Smartphone is lost. If the phone is rooted then there is very much chances of bricking your phone. This will also erase all of your data and files, so it is necessary to backup using backup app. And it is obvious that you won’t be getting any OTA updates in about phone section. Also read:How To Speed Up Android Smartphone Without Rooting
Pre-requirements
- You need a PC laptop and a USB cable PC
- You must have 80% battery for the procedure to continue to unlock your phone
- Download the ADB and fastboot tools on your PC and install it
- Make sure you have a backup of your Android phone
Caution
Rooting can be harmful to your phone and the entire risk is on the device owner. If you are ok then try the method.
How to unlock bootloader on Samsung Galaxy phone without using PC
First you have to enable the developer option in your Smartphone by following the steps:
- Go to settings option in your Samsung Smartphone then tap on the “About phone” option
- Now go to software information then tap on it 7 times so that the build number option is visible
- Then go back to the main setting page again after that you will get the developer option in the setting of your Smartphone device
- Then open the developer option and toggle the button OEM unlock
How to unlock bootloader on Samsung Galaxy phone using ADB and fastboot (with PC)
First you need a PC to unlock the bootloader with this ADB and fastboot method it is bit complicated so carefully wash the steps the steps:
- Primarily you need to enable the developer option and OEM unlock explained in above method
- Now you have to turn on the USB debugging and the developer option when connected to your device to the computer
- Then download and install the ADB and fastboot tool on your PC or laptop whatever you are using
- After that connect to your Samsung Smartphone to the computer via USB cable
- Once the phone is connected to the PC turn off the phone and boot into fastboot mode this is done by pressing the volume down and power button and do not release the button and unless until the fastboot mode screen is appeared on the screen
- Now go to the folder where you have installed the ADB folder or use the search option to find the folder by using the command window
How to open command window in two steps; to do that press shift key + right Mouse click on the empty area and then select the command window it will open then type “CMD” on the search box and entered to open CMD.
Then type the following command below
adb devices
You will have a popup where you have to allow USB debugging on your phone, just tap on it then ok button type the command below and press enter
ADB reboot bootloader
Now your phone rebooted to bootloader mode where you check if your phone is showing a lock bootloader or not if yes then type the command given below and presses enter
fastboot device
Again press enter you will see some random string which is ready for the procedure to type the next command
fastboot oem unlock
Then press enter the command will unlock the Smartphone bootloader next type the command
fastboot reboot
Finally your phone is rebooted into the system your mission is successful. Your Samsung Smartphone bootloader is unlocked and ready to install custom ROMs, TWRP recovery and more easily.