Nokia 1661 User Manual page 17

When using predictive text input, press each key
once for a single letter. If the displayed word is the
one you want, press 0, and start writing the next
word.
To change the word, press * repeatedly until the
word you want appears.
If ? is displayed after the word, the word is not in
the dictionary.
To add the word to the dictionary, select Spell, enter
the word (using traditional text input), and select
OK.
Tips for writing text:
To add a space, press 0.
To quickly change the text input method, press #
repeatedly, and check the indicator at the top of the
display.
To add a number, press and hold the desired number
key.
To get a list of special characters when using
traditional text input, press *; when using predictive
text input, press and hold *.
To undo the clearing of a message in the editing
window, select Options > Undo clear.
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