Samsung Galaxy S III User Manual page 324

Lock Screen Setting
Multiple widgets
Set wake-up command
Unlock effect
Wake up in lock screen
Access Lock Screen Options
■ From home, tap Apps
 The Lock screen settings menu opens.
Settings
Description
Display more than one widget on the lock screen.
Set options for your wake-up command.
Set the effect shown when the Lock screen wakes up.
Press the Home Key, and then speak a wake-up command to unlock
the screen.
> Settings > My device tab > Lock screen.
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