Samsung Galaxy Luna 用户手册
Secure Lock Screens
You can make calls even if your phone has a secure lock screen.
1. Drag
Phone upward to open the call screen.
2. Tap
Emergency call to display the Emergency dialer.
3. Enter the emergency telephone number (911 in North America)
and tap
Dial.
4. Complete your call. During this type of call, you have access to
most in-call features.
Calling
54
Emergency Calls