Welcome to the BBForums.
1. to scroll on a webpage? I assume you have tried using your trackball... But I learned along time ago not to assume too much. You can also use your space key to page down, and Shift + Space to page up.
2. The latest 8310 OS available from any carrier:
http://www.blackberryforums.com/gene...languages.html
Read and follow those directions EXACTLY as posted and in order as posted and you will be fine.