EVO 3D Bootloader Unlock Problems

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http://forums.androidcentral.com – Hello, I am a complete Phone newb, though I am decent with computers and both somewhat windows and linux literate. I am using a Sprint Evo 3d with software version: 2.89.651.2 710RD running Android version 4.0.3 as well as HBOOT 1.58. I attempted to unlock my bootloader, and was unable to do so using this guide: How to Root Evo 3D! [2.08.651.2 and Later] [HTC Unlock Method] | HTC Evo 4G Hacks! (After the fastboot flash unlocktoken Unlock_code.bin command I did not recieve the unlock screen confirmation) So after some research I attempted to downgrade using both the RUU files below (HowTos)