You can control many of the phone functions with your voice. You can call contacts from the address book, dictate messages and search the internet. Before you can use voice control, you need to select voice control settings.
Tap and hold the Home key until a pop-up menu is displayed.
Say "OK Google" to turn on voice control when the function has been inactive for a few seconds.
Say, in your own words, what you would like your mobile phone to do. Eg.: CAMERA, CALL [contact], SEARCH THE WEB FOR [information].