Securing your Samsung Galaxy Grand Duos is also important, specially if you have a private files that you don't want others to access it. So to prevent others from using your or accessing your personal data without your permission, then you may need to activate the security features. The device requires an unlock code whenever unlocking it.
Setting a face unlock:
1. On the Applications screen, tap Settings.
2. Select Lock screen.
3. Then choose Screen lock.
4. Tap Face unlock.
Fit your face in the frame to be captured. Then, set a backup unlock PIN or pattern to unlock the screen in case the face unlock fails.
Setting a face and voice unlock:
1. On the Applications screen, tap Settings.
2. Select Lock screen.
3. Then choose Screen lock.
4. Tap Face and voice.
Fit your face in the frame to be captured and then set a voice command. Then, set a backup unlock PIN or pattern to unlock the screen in case the face and voice unlock fails.
Setting a pattern:
1. On the Applications screen, tap Settings.
2. Select Lock screen.
3. Then choose Screen lock.
4. Tap Pattern.
Draw a pattern by connecting four dots or more, and then draw the pattern again to verify it. Set a backup unlock PIN to unlock the screen when you forget the pattern.
Setting a PIN:
1. On the Applications screen, tap Settings.
2. Select Lock screen.
3. Then choose Screen lock.
4. Tap PIN.
Enter at least four numbers, and then enter the password again to verify it.
Setting a password:
1. On the Applications screen, tap Settings.
2. Select Lock screen.
3. Then choose Screen lock.
4. Tap Password.
Enter at least four characters including numbers and symbols, and then enter the password again to verify it.
1. On the Applications screen, tap Settings.
2. Select Lock screen.
3. Then choose Screen lock.
4. Tap Face unlock.
Fit your face in the frame to be captured. Then, set a backup unlock PIN or pattern to unlock the screen in case the face unlock fails.
Setting a face and voice unlock:
1. On the Applications screen, tap Settings.
2. Select Lock screen.
3. Then choose Screen lock.
4. Tap Face and voice.
Fit your face in the frame to be captured and then set a voice command. Then, set a backup unlock PIN or pattern to unlock the screen in case the face and voice unlock fails.
Setting a pattern:
1. On the Applications screen, tap Settings.
2. Select Lock screen.
3. Then choose Screen lock.
4. Tap Pattern.
Draw a pattern by connecting four dots or more, and then draw the pattern again to verify it. Set a backup unlock PIN to unlock the screen when you forget the pattern.
Setting a PIN:
1. On the Applications screen, tap Settings.
2. Select Lock screen.
3. Then choose Screen lock.
4. Tap PIN.
Enter at least four numbers, and then enter the password again to verify it.
Setting a password:
1. On the Applications screen, tap Settings.
2. Select Lock screen.
3. Then choose Screen lock.
4. Tap Password.
Enter at least four characters including numbers and symbols, and then enter the password again to verify it.
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