User Manual

•
Oily
•
Dirty
•
Injured
If a registered fingerprint isn't working as expected, remove and re-add the fingerprint. If your finger is
injured, add fingerprints for your other fingers and use them until healed.
Problem: Fingerprint option disappeared from Security menu.
After each troubleshooting step, check to see if your issue is fixed.
1. Turn your phone off and then on again.
2. Check if a software update is available for your phone.
3. Check for app updates.
Open the Play Store app and your profile icon > My apps & games.
4. Use safe mode to see if apps you installed are causing the issue and uninstall as needed.
If the sensor works correctly in safe mode, a 3rd party app is probably causing the issue. These apps can
cause issues: lock screen apps, app locks that use the fingerprint sensor, RAM boosters, and RAM
cleaners.
5. Reset the phone.
Pin an app screen
Turn on pinning
Use pinning to keep the current app in view until you unpin it. For example, you can pin a game and your
child cannot navigate anywhere else on your phone.
You can set up a pattern, PIN, or password required to unpin.
1. Go to Settings > Security > Advanced > App pinning.
2. Turn screen pinning on.
3. By default, you must always enter your pattern, PIN, or password when unpinning a screen. If you don't
want this security before accessing your other phone screens, turn this option off.
Pin and unpin an app
To pin a screen:
1. Make sure you've turned on pinning and have recently opened the app you want to pin.
2. Drag up from the bottom of the screen, hold, then release.
3.
In the recent app list, touch the app’s icon at the top of the preview to see .
Be sure to touch the app’s icon instead of the preview, which opens the app.
4.
Touch .
To unpin it:
1. Drag up from the bottom of the screen and hold.
Other settings : Security : Lock and unlock phone
178