Troubleshooting - Samsung Galaxy S 4 mini User Manual

Locking the Device Manually
Press the
Unlocking the Device
1. Press the
2. Swipe across the screen as shown.
15
Power/Lock Key.
Power/Lock Key.
Note: You can customize the Lock screen and set the type of
Screen Unlock you want to use (Face unlock, Face and
voice, Pattern, PIN, or Password). For more information,
refer to "Lock Screen Options" on page 156.

Troubleshooting

If your device has fatal errors, hangs up, or freezes, you may
need to reset the device to regain functionality.
If your device is frozen and unresponsive, press
and hold the
10 seconds.
Power/Lock Key for 8 to