Sharp AQUOS Crystal - Manual (Page 183)

Messaging and Internet 174
4. Touch the Type message field, and then start composing your message.
Note: A counter appears above the ( ) to tell you how many characters are left. Once you go over
the 160-character limit, a new message is created but automatically joined into one when received.
5. When done, touch to send the text message.
The text message is sent.