Nokia X500 - Manual (Page 75)

Use Stroke input method
1 Input strokes: The strokes constituting Chinese characters have been divided
into five categories: Horizontal, Vertical, Left-falling, Dot and Turning. Each
category corresponds to a number key respectively 1, 2, 3, 4, 5.
You could press the number keys to input the strokes according to the standard
stroke order. When you start inputting, the Chinese input window will be shown
on the screen, which shows your input strokes and the candidate Chinese
characters matching to your input strokes.
If you are not sure about a certain stroke classification, press 6 as a substitution
for that stroke, then continue with the subsequent strokes. A question mark
appears in the input area to represent that stroke.
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