Hello all: To install a new rom: 1. Do you have to wipe/erase/clean first? 2. Can you use "Rom Manager" to do install. 3. Will new roms wipe out tether ability? I have an unrevolked rooted 2.1 r1 Evo and want to install Fresh 3.2 to get the 2.2 update.. Thank you for any help and the simpler, the better!