What does Loch look like on Samsung?

On Samsung it is the design shipped in One UI 8.5, shown above at full size. Older revisions are listed beneath it.

When did Samsung add Loch?

Samsung first drew Loch in Touchwiz 6.0, released 7. März 2016.

Samsung Electronics has shipped 24 versions of Loch. Each is dated, so you can see when the design changed.

Samsung One UI 8.5

This is the design Samsung introduced in One UI 7.0, shipped again unchanged. It was not redrawn for this release.

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

What does Loch look like on Samsung?: On Samsung it is the design shipped in One UI 8.5, shown above at full size. Older revisions are listed beneath it.
When did Samsung add Loch?: Samsung first drew Loch in Touchwiz 6.0, released 7. März 2016.
How many times has Samsung redrawn Loch?: Samsung Electronics has shipped 24 versions of Loch. Each is dated, so you can see when the design changed.