I recently bought an Evo off Craig's list and it was rooted. I took it to sprint to get it activated and the technician who i know personally couldn't get it to activate, because i guess my Evo was rooted with a Nexus cyanogen mod and the codes wouldn't work. He told me to Google it and find a tutorial on how to unroot the phone. I found a few tutorials and tried one on youtube. This unrooted my phone and then it was stuck at the HTC EVO 4G screen for over 5 minutes. I just walked away and probably after about 15 minuted it booted up normally. Then the battery died shortly after. For some reason which i think is unrelated my battery shit the bed and wont charge. I went to Sprint and got a new battery and now its charging and he couldn't get the phone to boot up either. I have tried recovery mode which just sends me back to the HTC EVO 4G screen. I'm very new to this whole android thing. I just want my phone to function normally. I'm extremely computer savy and with some explaining i will pick up on it fast. And help would be greatly appreciated. Thanks!