[Q] Turning off M2 dual illumination bar. topic

Hi All, I want to completely turn OFF the illumination Bar in Xperia M2 dual
Can U plz tell me how to do this?
I have one method to remove system/app/semcillumination,
conditions: 1. I dont have the phone so I cant check it. I want to purchase Xperia M2 dual
PLease help.