Here’s how to unlock bootloader using HTCDev.com and root your HTC Evo 4G GSM! Download Windows drivers: (no drivers needed for Linux or Mac) Download Windows 32-bit driver Download Windows 64-bit driver Download rooting files: Rooting files For Mac or Linux, replace all “fastboot” commands with “./fastboot-mac” or “./fastboot-linux”, respectively. Also, you might want to do: chmod 755 * before doing any of the commands for Mac and Linux to fix permissions. Post from: HTC Evo 4G Hacks! How to Root HTC Evo 3D GSM!