From what it sounds like, you should be able to [guide|145897|replace the screen|new_window=true] without any issues. Even the [guide|146278|rear camera can be replaced|new_window=true] since it's cracked. [link|https://www.youtube.com/watch?v=sNesBB7sOaw|Back-glass replacement|new_window=true] is a little bit more complex since it is a physical part of the phone's exterior case, and would require actually breaking the rest of the glass off to remove it.