Moguls 12 Month Warranty

[Mkostera1]

I was going throught the handbook for the mogul and i seen that they have a 12 month warranty. My keyboards backlight has stop lighting up and i have the white dot problem on the lower left handside of the screen that alot of ppl have had with their mogul. To get my phone replaced/fixed do i go to the sprint tech people or do i have to mail my phone to htc for the warranty. I do not have insurance either. Thanks in advance