I have the same question. I swear that I looked for it when removing but didn't see one. Also, as an aside, the wifi on this phone wasn't working all that great to begin with. Unfortunately, I haven't been able to locate a replacement washer anywhere. If anyone happens to know where I can get one, or if it even affects anything, please let me know.
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.