What does Ox 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.

HTC first drew Ox in Sense 7, released March 30, 2015.

How many times has HTC redrawn Ox?

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

HTC

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

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

HTC artwork for this emoji spans 2015 to 2016.