dg-6d5s firmware 1532

Hello everyone, I need Help with my Xbox 360 DG-6D5S firmware 1532. I can't find any video o tutorial to flash it!! I'm noob on version and kind of xbox 360 (if it's Liteon version.... or Hatachi) Let me know what I need to get to flash my Xbox 360. Thanks PS: I'm from Colorado Springs, maybe...