I have a problem with my phone. I dont know how to root my phone. I have a samsung exhibit 2 4g. I tried you tube but no luck. I need a step by step process on how to do it. You tube shows you part of it only. Im a newbie. I also want to install 4.0 android. Any help will be greatly appreciated. where do I find the root zip files that are good. I downloaded a couple and it doenst work