Settings2523 Tap the Iris unlock switch to activate it.4 On the locked screen, swipe in any direction and position your eyes inside the circles onthe screen to scan your irises.25-35 cmTo unlock the screen using iris recognition, without swiping on the locked screen, tap Irisunlock when screen turns on switch to activate it.Smart LockYou can set the device to unlock itself and remain unlocked when trusted locations or devicesare detected.For example, if you have set your home as a trusted location, when you get home your devicewill detect the location and automatically unlock itself.• This feature will be available to use after you set a screen lock method.• If you do not use your device for four hours or when you turn on the device, youmust unlock the screen using the pattern, PIN, or password you set.1 On the Settings screen, tap Lock screen and security → Smart Lock.2 Unlock the screen using the preset screen lock method.3 Select an option and follow the on-screen instructions to complete the setting.