เทคนิคการทำให้ใช้ตัวอักษรพิเศษพวก ดาว ตัวโน๊ต หัวใจ ใน iphone ได้

Set up

1) Go to : Settings -> General -> Keyboard -> International Keyboards -> Japanese
2) Turn ON "Kana"

Typing (at the on-screen keyboard)

1) Hit the "Globe" button until it switches to Japanese keyboard.
2) Hit the "ABC" button until the text on it changes to Japanese character
3) Your keyboard should now have symbols on it. (e.g. "1" the button has "☆♪→" symbols)

From miscellaneous

Thanks to source : http://forums.macrumors.com/showthread.php?t=362554