What does Modalità Vibrazione 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 Modalità Vibrazione?

HTC first drew Modalità Vibrazione in Sense 7, released 30 marzo 2015.

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

HTC

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

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

HTC artwork for this emoji spans 2015 to 2016.