So, you want to install custom ROMs on your HTC Evo 4G LTE? Well, you will need to unlock the bootloader and install TWRP recovery.
This will work on Android ICS 4.0.3, 4.0.4 and Android Jelly Bean 4.1.1, 4.1.2.
Before we begin, if you want to save personal settings, apps, SMS text messages, we highly recommend you to root your HTC Evo 4G LTE first (non-unlock bootloader method) if you are on software version 1.22.651.1 or less. Then use GMail for contacts, SMS Text Backup app for backing