Samsung SGH-S307SSACIN - Manual (Page 25)

Entering Text
46
Using Number Mode
The Number mode enables you to enter numbers
into a text message. Press the keys corresponding
to the digits you want to enter.
Using Symbol Mode
The Symbol mode enables you to insert symbols
into a text message.
Use the navigation keys to scroll to a symbol and
then press the OK soft key to insert the highlighted
symbol into your message.
OK