HTC T-Mobile G2 User Manual page 31

Android basics
To view other parts of the Home screen
Slide your finger left or right across the Home screen.
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The six extensions to the Home screen provide more space for
widgets, shortcuts, and other items. For more on sliding, see
"Using the touchscreen" on page 35.
Small dots at the lower left and right indicate which screen you're
viewing.
Touch & hold the small dots on the lower left or right of the screen
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to view thumbnails of the Home screen and its extensions, which
you can touch to open.
T-Mobile G2
31
User's Guide