The three ways to open Siri
Siri is Apple's voice assistant, built into iPhones, iPads, Macs, and Apple Watches. You can open it by holding down a button, saying a wake phrase, or tapping an icon — which method works depends on what device you have and how you've set it up.
On most devices, the fastest way is to hold down a physical button until Siri appears. On newer iPhones and iPads, that's the side button. On older iPhones, it's the home button. On a Mac, you can hold Command and Space, or click the Siri icon in the menu bar. On an Apple Watch, hold down the Digital Crown (the round button on the side).
If you've turned on "Listen for 'Hey Siri'", you can also just say those words out loud without touching anything. This works on iPhones, iPads, Macs, and Apple Watches, but only when the device is plugged in or has enough battery.
Key Takeaways
- On iPhone and iPad, hold the side button or home button until Siri appears on screen.
- On Mac, hold Command and Space together, or click the Siri icon in the top menu bar.
- On Apple Watch, hold down the Digital Crown (the round button on the side).
- You can say "Hey Siri" out loud to open it hands-free, but this only works if you've turned it on in Settings first.
- If Siri doesn't respond, check that it's turned on in your device's Settings under Siri & Search.
Opening Siri on iPhone and iPad
On an iPhone or iPad running iOS 16 or later, hold down the side button (the physical button on the right edge of the device) until you see the Siri waveform appear on screen. Release the button and speak your question or command.
On older iPhones and iPads, hold down the home button (the round button at the bottom) instead. The home button method still works on newer devices too — you can use whichever feels more natural to you.
If you want to use "Hey Siri" instead, go to Settings, tap Siri & Search, and turn on "Listen for 'Hey Siri'". After that, you can say "Hey Siri" from across the room without touching your device. This works best when your iPhone or iPad is plugged in or has at least 20 percent battery remaining.
Opening Siri on Mac
On a Mac, the keyboard shortcut is Command and Space pressed together. Hold both keys at the same time until the Siri window appears in the center of your screen, then release and speak your question.
You can also click the Siri icon in the menu bar at the top right of your screen. It looks like a small microphone inside a circle. If you don't see it there, go to System Settings, click Siri & Spotlight, and turn on "Show Siri in menu bar".
Like on iPhone and iPad, you can set up "Hey Siri" on your Mac. Go to System Settings, click Siri & Spotlight, and turn on "Listen for 'Hey Siri'". After that, say "Hey Siri" out loud to open it without using the keyboard or mouse.
Opening Siri on Apple Watch
On an Apple Watch, hold down the Digital Crown — the round button on the side of the watch — until you see the Siri waveform appear on the screen. Release the button and speak your command.
You can also say "Hey Siri" out loud if you've turned it on. To check this setting, open the Watch app on your paired iPhone, go to Siri, and make sure "Listen for 'Hey Siri'" is turned on.
Apple Watch Siri works best when your watch is connected to your iPhone or to Wi-Fi. If your watch is offline, some commands may not work.
What to do if Siri won't open
If holding the button or saying "Hey Siri" doesn't work, first check that Siri is turned on. On iPhone or iPad, go to Settings, tap Siri & Search, and make sure the toggle next to "Listen for 'Hey Siri'" is green. On Mac, go to System Settings, click Siri & Spotlight, and check the same setting. On Apple Watch, open the Watch app on your iPhone and look under Siri.
If Siri is already on but still won't open, try restarting your device. For iPhone and iPad, hold down the side button and one of the volume buttons together until the power-off slider appears, then slide to turn off. Wait a few seconds, then hold the side button again to turn it back on. For Mac, click the Apple menu and select Restart. For Apple Watch, hold down the side button until the power-off slider appears, then slide to turn off and back on.
If you're trying to use "Hey Siri" and it's not working, make sure your device has a strong internet connection and enough battery. "Hey Siri" doesn't work when your device is in Low Power Mode. Also check that you haven't disabled Siri in Settings — sometimes a parental control or Screen Time setting can turn it off.
Changing how Siri opens
You can customize which button opens Siri on iPhone and iPad. Go to Settings, tap Accessibility, then Physical and Motor, and look for "Side Button" or "Home Button". You can change what happens when you hold that button down. Some people prefer to use a different action, like opening Control Center, and use "Hey Siri" instead.
On Mac, you can change the keyboard shortcut for Siri. Go to System Settings, click Keyboard, then Keyboard Shortcuts. Look for Siri in the list on the left, and you'll see the current shortcut. Click it and press the new keys you want to use instead.
On Apple Watch, you can't change the Digital Crown action, but you can turn "Listen for 'Hey Siri'" on or off in the Watch app on your iPhone under Siri settings.
Frequently Asked Questions
Can I use Siri without saying "Hey Siri" or holding a button?
Yes, but only if you're using your device's default method. On iPhone and iPad, you can tap the Siri icon if it appears on your home screen or lock screen — some people add it as a widget. On Mac, you can click the Siri icon in the menu bar. On Apple Watch, you can tap the Siri icon on the watch face if you've added it.
Why does "Hey Siri" sometimes not work?
Siri needs an internet connection to hear "Hey Siri" on most devices. It also won't respond if your device is in Low Power Mode, if the screen is locked and you haven't set it up to work on the lock screen, or if Siri is disabled in Settings. Try restarting your device and checking your Wi-Fi or cellular connection.
Does Siri work offline?
Some basic Siri commands work without internet, like setting a timer, opening an app, or adjusting volume. Most commands that need information — like weather, directions, or web searches — require an internet connection. On Apple Watch, Siri needs either a connection to your iPhone or a Wi-Fi network.
Can I turn off Siri completely?
Yes. On iPhone and iPad, go to Settings, tap Siri & Search, and turn off "Listen for 'Hey Siri'". You can also turn off "Press Side Button for Siri" or "Press Home for Siri" depending on your device. On Mac, go to System Settings, click Siri & Spotlight, and turn off "Listen for 'Hey Siri'". On Apple Watch, open the Watch app on your iPhone and turn off Siri under the Siri settings.
What's the difference between holding the button and saying "Hey Siri"?
Holding the button always works as long as Siri is on, and it's faster for quick commands. "Hey Siri" is hands-free but requires an internet connection and works best in quiet environments. Many people use both — "Hey Siri" when their hands are full, and the button method when they need a faster response.