Yes. Google search gingerbreak.apk if you do it on your phone, you can download it right to it. It installs as an app, it walks you through how to run it. If it still works on that phone that will give you root. Then you will be able to install a recovery and rom. As far as I know gingerbreak still works on that phone, so that would allow you to do everything without a computer. If you have a hard time finding it, it's a small enough file that I could email it to you, as long as you will have email access on your phone