Samsung SGH-T629ASBTMB - Manual (Page 57)

Section 5: Entering Text 53
Changing the Text Input Mode
Section 5 1. To change the text input mode, press the Right soft key.
2. Each time you press the Right soft key, a different Text
input mode indicator will be displayed at the lower right
corner of your display.
The following options are available:
: T9 mode
: ABC mode
: Number mode
: Symbol mode
3. When the text input mode indicator that you desire is
displayed, you may enter text in the text message box
using the selected text input mode.