4G will probably be one of the last things to get working with any ICS ROM on the Evo. It's just not enough of a priority versus getting things like email, camera, data, GPS, video, market, internet, etc working. Google for Deck's ICS rom, it's probably one of the best Evo ICS roms out there right now, and it's updated almost daily with bug fixes. Still some bugs, but it's getting closer.