How To Unlock Bootloader in Moto E(1st GEN)

Things you need:

Moto E

PC

Minimal ADB and Fastboot

Data Cable

First go to settings<about phone<then tap build number 7 times to enable developer options.

Then go to developer options and enable USB Debugging.

Make sure that the battery is charged upto 70-80%.

Backup your device to make sure that your photos and apps are not lost.

Then boot Moto E to recovery mode by pressing the power key and volume down key. 

Then connect your device with your PC.

Download Motorola Device Manager for Moto E (Driver) from here

Then download Minimal ADB and Fastboot from here

Install it

Go to the Minimal ADB and Fastboot Folder and the press shift+right click

Then type fastboot devices to check that your device is connected.

Then type fastboot oem get_unlock_data and hit enter.

Then a coding will appear copy-paste it in the notepad.

Remove the bootloader and the spaces in the coding after pasting it and make it in a single line.

Copy the code and search google for unlock moto e bootloader.

Open the Motorola official site  which will provide you with the unlock key to unlock the bootloader.

Now sign in with your motorola id.

Then it will take you back to the unlock your bootloader page.

Then scroll down and click next.

A new page will open and in that you have to enter the code you copied and click on can my device be unlocked.

It will verify in a few seconds.

Scroll down and you will see a license and agreement page and hit I agree.

After that a 20 character code will be sent to your email ID.

Copy that code

And in the Minimal ADB and Fastboot command prompt type fastboot oem unlock 'unique key'.

Replace unique key with the code that was sent to your email.

Hit enter and the bootloader will unlock.