I believe the EVO 4G LTE has quality issues as do the refurbs.
(On my 3rd LTE since Nov 2012. Phone #1: screen developed two black blotches. Refurb #1: lasted 10 days, ?hone stopped working. Also 4G coverage on refurb #1 was non-existent and it was got hot when using for data. Refurb #2...