What does Círculo Vermelho look like on HTC?

On HTC it is the design shipped in Sense 8, shown above at full size. Older revisions are listed beneath it.

When did HTC add Círculo Vermelho?

HTC first drew Círculo Vermelho in Sense 7, released 30 de março de 2015.

HTC Corporation has shipped 2 versions of Círculo Vermelho. Each is dated, so you can see when the design changed.

HTC

HTC Corporation has drawn Círculo Vermelho 2 times. Every revision HTC has shipped is below, newest first.

What does Círculo Vermelho look like on HTC?: On HTC it is the design shipped in Sense 8, shown above at full size. Older revisions are listed beneath it.
When did HTC add Círculo Vermelho?: HTC first drew Círculo Vermelho in Sense 7, released 30 de março de 2015.
How many times has HTC redrawn Círculo Vermelho?: HTC Corporation has shipped 2 versions of Círculo Vermelho. Each is dated, so you can see when the design changed.

HTC artwork for this emoji spans 2015 to 2016.