Without knowing which of the 4 possible phones/computer your app is installed on. I will take a guess that you want to look at this thread in ios.
I'll move your app question out of the charge 2 hardware.
Best Answer
Yes, there are quite a few threads about the "invisible" account icon. To remind you where it is:
Just pretend you see it and press where it "should" be, to the right of the Fitbit logo and above the Share icon.
Best Answer