This reminds me how the string %English% transferred via SMS crashed some old Siemens phones and GSM modules because of error in detection of embedded images.

And how recently string سمَـَّوُوُحخ ̷̴̐خ ̷̴̐خ ̷̴̐خ امارتيخ ̷̴̐خ could crash some versions of iOS and OS X.