If you have ever considered unlocking the bootloader for your Sony Xperia device but have been a bit tentative, then you may want to check out the video below. Sony has created a step-by-step video that shows how you can unlock the Xperia bootloader. Unlocking the bootloader allows you to root your device as well as loading custom ROMs. Do note that unlocking the bootloader will void your warranty. Check out the video below.
Via Sony Developer World.
Thanks Armaan, Ingus and Martin!