You can change the keyboard settings.
Press and hold down .
When you are using the default keyboard, you can change the keyboard settings by holding down [Space].
Press [Set up input methods].
Press [] next to [Screen Keyboard] or [iWnn IME].
Press [Input languages] to add or delete a language to use for the keyboard.
You can change the iWnn IME keyboard settings by selecting [iWnn IME] in Step 3.
For details about the contents you can change, see Screen Features.