Well like the story is saying it works as told. I tried it and on 10.2 only the contact card bug works. But on 10.1 you can do it with imessage also.
Source: https://thehackernews.com/2017/01/crash-iphone-emoji.html?m=1
Crash Anyone's iPhone Or iPad With A Simple Emoji Text Message
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2017-01-19 10:30
Well like the story is saying it works as told. I tried it and on 10.2 only the contact card bug works. But on 10.1 you can do it with imessage also.
Source: https://thehackernews.com/2017/01/crash-iphone-emoji.html?m=1