What does Persevering Face 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 Persevering Face?

SoftBank first drew Persevering Face in 2000, released January 1, 2000.

SoftBank Corp. has shipped 7 versions of Persevering Face. Each is dated, so you can see when the design changed.

SoftBank 2006

SoftBank shipped a new design for Persevering Face in 2006, released January 1, 2006. The previous design is shown beside it.

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

What does Persevering Face 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 Persevering Face?: SoftBank first drew Persevering Face in 2000, released January 1, 2000.
How many times has SoftBank redrawn Persevering Face?: SoftBank Corp. has shipped 7 versions of Persevering Face. Each is dated, so you can see when the design changed.