You can keep your phone unlocked when it is connected to a trusted device, like your Bluetooth watch or car.
After you set up a trusted device, every time you turn on or wake the locked phone, it searches for the device and, when it finds it, the phone unlocks.
Make sure you have:
- Set a screen lock on the phone.
- Turned on Bluetooth on the phone.
- Paired your phone with the device.
- Go to Settings.
- Touch Security > Trusted Bluetooth Devices.
- Touch
> Bluetooth. Touch a device to select it from the list of connected devices.
TipIf your device isn't in the list, make sure you are paired with it.
> When the phone is connected to the Bluetooth device, the phone automatically unlocks.
- Go to Settings.
- Touch Security > Smart Lock > Trusted devices.
- Touch the device name, then touch OK to confirm.
If you need to make sure the phone stays locked even when you’re connected to a trusted device, you can manually lock the phone.
On the lock screen, touch 
. The phone stays locked until the next time you manually unlock it.
