Last month, I upgraded from the first generation Jawbone to the Jawbone Icon, Rogue series. I bought it because it could be paired with two devices (my iPhone and my MBP).
After two charging cycles, the bloody thing would not turn on when I needed it for an online video conference.
Who knows why this happens — certainly not me. But I did find a solution that worked for me in the Jawbone forums: a hardware reset.
If you have a Jawbone Icon and it won’t “turn on” — a reset may be your answer, too. Here’s what to do: