Jailbreak it with Rebug. Downgrade it to CFW 3.55. Open Rebug tools and turn one factory service mode. After restart open Rebug tools and select remarry BD. Exit FSM, and upgrade to CFW 4.82 (or 4.84)
No, you need a certain one + you have to take off the daughter board from your old drive and put it on the new one.
Once they have, you'll be able to view a graph of their reputation gained over time.
Here's a preview of what the graph will look like:
No reputation gained yet.