How to unlock bootloader via fastboot with PC

  

How to unlock bootloader via fastboot mode 

You must need these things before going to unlock your phone's bootloader 

 Pre Requirements :

1. PC
2. AN Android Phone
3. USB CABLE for connection with PC
4. ANDROID SDK DRIVER

5. Your phone's driver

There are two type of phones in this world
The first which are are easy to unlock bootloader through official way
Second category belongs to those phones which manufacturer doesn't allow anyone to to unlock the  bootloader..

Now come on to the point....

Step 1 :  BACKUP YOUR DEVICE DATA AND AND YOUR PERSONAL DATA

You should take a backup of important personal data and device data for  any situation so that  your phone being dead Or any kind of problem which may occur during unlocking the bootloader... Please do it on your own risk ❎

Step 2 :  INSTALL SDK DRIVER ON PC

You have to install the SDK driver from the given link

Click here to Download

You can choose Android SDK tool according to your system for e.g. (windows, Mac, Linux)

System requirements

⏺️Windows

✴️Microsoft® Windows® 7/8/10 (32- or 64-bit)

The Android Emulator only supports 64-bit Windows (learn more).

✴4 GB RAM minimum, 8 GB RAM recommended

✴2 GB of available disk space minimum,

✴4 GB Recommended (500 MB for IDE + 1.5 GB for Android SDK and emulator system image)1280 x 800 minimum screen resolution

⏺Mac

✴Mac® OS X® 10.10 (Yosemite) or higher, up to 10.14 (macOS Mojave)

✴4 GB RAM minimum, 8 GB RAM recommended

✴2 GB of available disk space minimum,

✴4 GB Recommended (500 MB for IDE + 1.5 GB for Android SDK and emulator system image)1280 x 800 minimum screen resolution

⏺Linux

✴GNOME or KDE desktop

Tested on Ubuntu® 14.04 LTS, Trusty Tahr (64-bit distribution capable of running 32-bit applications)

✴64-bit distribution capable of running 32-bit applicationsGNU C Library (glibc) 2.19 or later4 GB RAM minimum,

✴8 GB RAM recommended2 GB of available disk space minimum,

✴4 GB Recommended (500 MB for IDE + 1.5 GB for Android SDK and emulator system image)1280 x 800 minimum screen resolution

⏺Chrome OS

✴8 GB RAM or more recommended4 GB of available disk space minimum1280 x 800 minimum screen resolutionIntel i5 or higher (U series or higher) recommended

Recommended devices:

Acer: Chromebook 13/Spin 13, Chromebox CXI3Lenovo: Yoga C630 ChromebookHP: Chromebook x360 14, Chromebox G2Dell: Inspiron Chromebook 14ASUS: Chromebox 3ViewSonic: NMP660 ChromeboxCTL: Chromebox CBx1

Step 4 : INSTALL AND SETUP THE SDK TOOLS

1. Unzip the SDK tools on your PC and start the SDK manger and deselect all the option except SDK TOOLS

Note : If you are using a Nexus Phone then you can download "GOOGLE USB DRIVERS"

2 . After finish installation you can close the SDK manager

Step 5 : DOWNLOAD DRIVERS FOR YOUR PHONE

1. You can download your phone's Driver though your device's manufacturer Website for e.g. (Samsung , HTC , Motorola, Nexus, Mi, Vivo ,Oppo etc. )

According to your phone's model and you can also Google to download USB drivers...

2. Download the USB drivers and Install it on your PC If prompted reboot the PC.

3. Turn on the phone and plug into your PC

4. Open the SDK  Manager which you have previously installed in Step 2

5. Shift+Right-click on any empty area and choose "Open the command prompt here"

And the type the following command....

adb devices

If it shows a serial number your device is recognised

Step 6 : ENABLE USB DEBUGGING ON YOUR PHONE

1. Go to phone setting and look for build number
Tap it 6-7 times continuously until it show "NOW YOU ARE A DEVELOPER"

2. Turn off the phone and go to fastboot mode by holding the "POWER" and "VOLUME DOWN" button simultaneously

Note : If the phone is not going in fastboot mode the there will be a problem In button combination you can Google it according your phone's model

3. After entering in fastboot mode you have to plug your phone to PC via USB cable

4. Now its time to run the command

Type

fastboot oem  unlock

OR

fastboot flashing unlock

5 . After running the command your phone may asked for confirming the Unlock bootloader you have to press volume down button to confirm the msg.

You will see a msg "OKAY" OR "FINISHED" on the command prompt

After the confirmation your phone's Bootloader is now Unlocked, Turn on  the Phone.

Done!