How do I switch on predictive text

In settings/general/language - make sure that the only language ticked is English - then you can use the *A/a button

Hi
have you tried the following ,

to turn off predictive text or turn it on, simply press the [*a/A] button bottom left of the key pad.



riz.

Try the below for Turning On/Off Predictive Text
While in message screen, press * to switch among modes.

1. Type your word using one keystroke per letter.
   
2. If word shown is the one you want, press 1 or # to accept and add space.
   
3. If intended word is not found, select Options and Spell or Edit Word. Press and hold Clear (C) button to remove word. Type new word using the ABC (triple-tap) mode and press Insert (or Yes). Word will be added to dictionary.
   
4. To add punctuation, press * to see symbol selection.