The battery may be tightly adhered to the copper foil beneath. Take care not to damage this foil or the battery charging coil beneath it.
Removing the screen is easily the most difficult, time consuming and frustrating part of the whole process. Once removed, the rest, while tedious, is not particularly difficult.
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.