Guide: How to unlock the bootloader of HTC devices?

Hey everyone, in this guide am gonna provide complete instructions on how to unlock and re-lock the bootloader of a HTC device. So, let's start,
First of all get all the resources we will require and install them,
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Google Android SDK zip:...​

Guide: How to unlock the bootloader of HTC devices?

from Android Authority Forums http://ift.tt/2dg2dnX
via IFTTT