How to Downgrade HTC Desire HD v2.3.5 - Down 3.13 + Flash RUU - 3.12.405.1 &+ to GB or Froyo (P2) - How to Downgrade HTC Desire HD v2.3.5 - Downgrade 3.13 + Flash RUU - 3.12.405.1 &+ to GB or Froyo Downgrade v3.13 All my videos: http://youtube.com/user/FlowWolfOne My blog: http://flow-wolf.net/ Google +: https://plus.google.com/1036898508087... Facebook