Samsung Galaxy S6 Edge: How to Use Smart Lock Trusted Devices Feature in Android 5.1.1 Lollipop

When you're using one of the screen lock types with security lock feature(e.g., pattern, direction lock, PIN, password or fingerprints), you can add Bluetooth or NFC devices(e.g., your Bluetooth watch, your car's Bluetooth system, an NFC sticker on the phone dock in your car, or other Bluetooth capable devices) to your trusted devices list to have your Samsung Galaxy S6 Edge stays unlocked when connected to those devices.


How to add a Bluetooth device to the trusted devices list?
As the example, we'll add Samsung Galaxy S5 to the trusted devices list when it's connected with your phone and being used for Bluetooth tethering by using the following steps:

1. While the screen is unlocked, swipe down the top of the screen to open up the notification panel and then tap at the top right to go to the settings menu.
2. Scroll down to the Personal section and then tap Lock screen and security.
   
   
3. Tap Secure lock settings.
   
   
4. Tap Smart lock.
   
   
5. Perform your screen lock type. As the example, if you use fingerprints as your screen lock, place your finger on the Home key to verify your identity.
   
   
6. Tap Trusted devices.
   
   
7. Tap Add trusted device to start adding Bluetooth devices to the trusted devices list.
   
   
8. Tap Bluetooth.
   
   
9. Tap the Bluetooth device that is being connected with your phone. In this example, tap Galaxy S5.
   
   
10. A pop up window appears on the screen to tell you that a trusted device can keep your phone unlocked when it's nearby, even if someone else is holding it. Tap Yes,add to continue adding the selected device to your trusted devices list.
    
    
11. The selected device has been added to the trusted devices list.

How to use smart lock trusted devices feature?
As the example, we'll use this feature to make unlocking the screen easier while using Bluetooth tethering feature with Samsung Galaxy S5 which has been registered in advance by using the following steps:

1. Swipe down the top of the screen to open up the notification panel and then tap Bluetooth to enable Bluetooth and scan all available Bluetooth devices.
   
   
2. Tap the required Bluetooth device you want to connect to. In this example, tap Galaxy S5 which has been added to the trusted devices list.
   
   
3. As long as your phone is connected to your trusted device, your phone will keep unlocked.
4. Press the Power key twice to go to the lock screen. At this time, you just need to swipe the screen to unlock it.
   
   
5. If you'd like to lock the screen while your phone is connected to a trusted device, tap and hold at the bottom of the screen and then drag it out the circle to force your phone to lock securely.