What does Botão Quadrado Branco 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 Botão Quadrado Branco?

HTC first drew Botão Quadrado Branco in Sense 7, released 30 de março de 2015.

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

HTC

HTC Corporation has drawn Botão Quadrado Branco 2 times. Every revision HTC has shipped is below, newest first.

What does Botão Quadrado Branco 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 Botão Quadrado Branco?: HTC first drew Botão Quadrado Branco in Sense 7, released 30 de março de 2015.
How many times has HTC redrawn Botão Quadrado Branco?: HTC Corporation has shipped 2 versions of Botão Quadrado Branco. Each is dated, so you can see when the design changed.

HTC artwork for this emoji spans 2015 to 2016.