What does Fast Down Button look like on LG?

On LG it is the design shipped in Velvet, shown above at full size. Older revisions are listed beneath it.

When did LG add Fast Down Button?

LG first drew Fast Down Button in G3, released June 15, 2014.

LG Electronics has shipped 4 versions of Fast Down Button. Each is dated, so you can see when the design changed.

LG G3

LG shipped a new design for Fast Down Button in G3, released June 15, 2014. The previous design is shown beside it.

The first LG release we hold for this emoji.

✳ marks a release that redrew this emoji. The rest re-shipped the design unchanged.

What does Fast Down Button look like on LG?: On LG it is the design shipped in Velvet, shown above at full size. Older revisions are listed beneath it.
When did LG add Fast Down Button?: LG first drew Fast Down Button in G3, released June 15, 2014.
How many times has LG redrawn Fast Down Button?: LG Electronics has shipped 4 versions of Fast Down Button. Each is dated, so you can see when the design changed.