What does مسطرة مثلثة 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 مسطرة مثلثة?

HTC first drew مسطرة مثلثة in Sense 7, released 30 مارس 2015.

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

HTC

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

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

HTC artwork for this emoji spans 2015 to 2016.