1. yes it's normal.
2. Could be, don't risk it if you don't want a banned console.
3. it's implemented in the new TegraRcmGUI 2.4 under tools UMS SD, but it's like 10MB/s fast.
4.IDK
5. see 2
6.read before asking, there are normally enough information on this site
7. back up your nand.
8. Back...