What does 携帯電話電源オフ look like on Facebook?

On Facebook it is the design shipped in 16.0, shown above at full size. Older revisions are listed beneath it.

When did Facebook add 携帯電話電源オフ?

Facebook first drew 携帯電話電源オフ in 1.0, released 2014年1月31日.

Meta Platforms, Inc. has shipped 13 versions of 携帯電話電源オフ. Each is dated, so you can see when the design changed.

Facebook 3.0

Facebook shipped a new design for 携帯電話電源オフ in 3.0, released 2018年12月2日. The previous design is shown beside it.

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

What does 携帯電話電源オフ look like on Facebook?: On Facebook it is the design shipped in 16.0, shown above at full size. Older revisions are listed beneath it.
When did Facebook add 携帯電話電源オフ?: Facebook first drew 携帯電話電源オフ in 1.0, released 2014年1月31日.
How many times has Facebook redrawn 携帯電話電源オフ?: Meta Platforms, Inc. has shipped 13 versions of 携帯電話電源オフ. Each is dated, so you can see when the design changed.