Locking And Unlocking The Touch Screen; Troubleshooting - Samsung GALAXY tab4 User Manual

Locking and Unlocking the Touch
Screen
1. Press the Power/Lock Key
2. Press again to display the lock screen then
swipe your finger across the screen to unlock.
Note: Swipe is the default screen locking method. To change
your screen lock, see "Screen Lock" on page 127.
Tip: From the Lock screen, touch and swipe one of the app
shortcut icons to launch that application.
13
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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
Power/Lock Key and the Volume Down Key at the same time for
8 to 10 seconds.