Zte GRAND X4 User Manual page 49

3. Move your finger from letter to letter on the keyboard to trace
a word without lifting the finger, until you reach the end of the
word.
Start of
the word
NOTES:

Curve is only available in the Full layout.

Touch when you want to. If you want to enter a single letter,
go ahead and touch.

Lift your finger at the end of the word. A space is added
automatically when you begin to trace the next word.
Wave Sentence Gesture
Wave allows you to enter words by dragging candidate words to
the space key.
To enable and use Wave:
1. On the TouchPal keyboard, touch
input and check Wave™ - Sentence gesture.
> Settings > Smart
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End of
the word