Samsung Replenish SPH-M580 User Manual page 50

Changing the Screen Orientation
The Samsung Replenish™ is capable of automatically
changing the orientation of some onscreen content.
Portrait View
The device's built-in accelerometer senses movement
and changes its angle/orientation.
This allows the device to change the onscreen content
(images, video, Web pages) to properly display based
on the current angle (some screens may not
automatically change).
Landscape View
36 2A. Device Basics