ANSWER!!!
Y'all, after scouring this particular forum, I found the answer. There are metal tabs under the front plastic ring that create the connection between your feet and the scale's electronics, through the electrostatic glass (you can see the four outlines on the glass). The problem seems to be, the plastic ring is put on with adhesive (poor design). The adhesive gets mucked up between the metal tabs and the glass, interfering with the connection.
GENTLY AND CAREFULLY pry the plastic ring (and accompanying plastic lens) off of the scale. I used a sharp knife, and SLOWLY worked my way around the ring. It's gonna feel gummy - that's the adhesive. Just go around a little at a time, I took a good 3 minutes taking it off, keep gently prying up a little and moving around, until you can get your fingers underneath and gently pull it the rest of the way (again, it's PLASTIC, keep being careful so you don't break it). When you finally remove it, you'll see the 4 little metal tabs (two at the bottom, one on the left, one on the right) that connect with the four outlines on the glass. I took the same knife and GENTLY AND CAREFULLY scraped all the adhesive I could from around, and under, the tabs. I thought about using a piece of dental floss to help dig under the tab, but I didn't end up having to do it. After scraping as much adhesive as I could from the immediate area around the tabs (no need to remove the majority of the adhesive everywhere else, you need that to get the plastic ring back on), I set the scale down and IT WORKED! Showed my body fat on the first try (it didn't recognize who I was at first, it asked to confirm, press the glass outline on the right to confirm 🙂 ). At this point I could just line up the plastic ring back in its place (it has to be aligned - there are actually little cutouts on the ring that correspond with the metal tabs), and it would work. But I took one more step - I had some extra dielectric grease, so I applied the tiniest amount on each tab, tried to work it underneath the metal. I'm guessing that this might help keep in connected in the future. I placed the ring back on, did another test, and it worked. Had my gf try it, and it worked for her too, first try (after confirming who she was, too lol).
Anyway, I hope this makes it to the top of the thread, or voted up or whatever. Maybe I'll make it all BOLD type so it stands out. Because NOWHERE on the interwebs does this information exist. FitBit likely won't acknowledge it, because it's obviously a poor design, but, they probably fixed future scales so they don't have this issue. GOOD LUCK TO YOU!!! ~ RC
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