What does Reverse Button look like on SoftBank?

On SoftBank it is the design shipped in 2014, shown above at full size. Older revisions are listed beneath it.

When did SoftBank add Reverse Button?

SoftBank first drew Reverse Button in 1999, released January 1, 1999.

SoftBank Corp. has shipped 8 versions of Reverse Button. Each is dated, so you can see when the design changed.

SoftBank 2008

This is the design SoftBank introduced in 2006, 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 Reverse Button look like on SoftBank?: On SoftBank it is the design shipped in 2014, shown above at full size. Older revisions are listed beneath it.
When did SoftBank add Reverse Button?: SoftBank first drew Reverse Button in 1999, released January 1, 1999.
How many times has SoftBank redrawn Reverse Button?: SoftBank Corp. has shipped 8 versions of Reverse Button. Each is dated, so you can see when the design changed.