Applications131S VoiceIntroductionPerform various tasks simply by speaking.Setting a wake-up commandYou can launch S Voice using your own wake-up command.When launching S Voice for the first time, tap START and set your own wake-up command.To change the wake-up command, open the Apps screen and tap Samsung → S Voice. Then,tap → Voice wake-up → Change wake-up command → Custom → START, and thenfollow the on-screen instructions.To set the device to launch S Voice using the wake-up command while the device is locked,tap and tap the Wake up in secured lock switch to activate it.

Samsung SM-G935F User Manual