Use Siri
The power of Siri is yours for the asking.Summon Siri. Press and hold the Home button, until Siri beeps.
Ask Siri anything, from "set the timer for 3 minutes" to "what movies are showing tonight?" Open apps, and turn features on or off, like Bluetooth, Do Not Disturb, and Accessibility. Siri understands natural speech, so you don't have to learn special commands or keywords.
For hints, ask Siri "what can you do," or tap 
.
Siri often displays helpful info on your screen. Tap the info to open a related app or get more details.
Change Siri's voice gender. Go to Settings > General > Siri (may not be available in all areas).
Talk to Siri using a headset. Connect the headset, then press and hold the center or call button.