I did some digging and found the following posts from around that era: https://www.imore.com/iphone-os-2-2-review https://www.imore.com/iphone-os-2-2-review h

I did some digging and found the following posts from around that era: https://www.imore.com/iphone-os-2-2-review https://www.imore.com/iphone-os-2-2-review https://arstechnica.com/gadgets/2008/11/lots-to-like-about-new-iphone-2-2-software-update/ https://arstechnica.com/gadgets/2008/11/lots-to-like-about-n... https://www.macrumors.com/2008/10/05/iphone-2-2-includes-hidden-japanese-emoji-icons/ https://www.macrumors.com/2008/10/05/iphone-2-2-includes-hid... Emoji support was introduced in iPhone OS 2.2.