Select Menu > Settings and Phone > Touch input.
To configure text input settings for the touch screen, select from the following:
Handwriting training - Open the handwriting training application. Train the device to recognise your handwriting better. This option is not available in all languages.
Writing language - Define which language-specific characters in your handwriting are recognised and how your on-screen keyboard is laid out.
Writing speed - Adjust the speed at which handwriting is recognised.
Guiding line - Show or hide the guiding line in the writing area. The guiding line helps you write in a straight line, and it also helps the device recognise your writing. This option may not be available in all languages.
Pen trail width - Change the thickness of the text.
Writing colour - Change the colour of the text.