Htc evo root hack

used...

http://htcevohacks.com/htc-evo-hacks/root-for-htc-evo-4g-gingerbread-is-here/

evo lte

http://androidforums.com/evo-4g-lte-all-things-root/605567-ltevo-rooting-dummies-guide-lazypanda-racun-unlocked.html

Entering hboot menu

When the phone is off, hold the volume down button and while holding press the power button.