To use predictive text input by default, go to Menu > Settings > General > Personalisation > Language > Predictive text > On.
To use predictive text input by default when writing text in English, go to Menu > Settings > General > Personalisation > Language > Predictive text > On.
Write the desired word by pressing the number keys only once for each character. The word suggestion changes after each keypress.
If the word is correct, press 0 to insert a space and continue writing.
If the word is not correct, press * repeatedly to display the words that match your writing.
A ? character after the word indicates that the word is not in the dictionary.