How to Turn Off a New iPhone: Every Method Explained
Modern iPhones have quietly dropped one of the most intuitive features in smartphone history — a single button that just turns the phone off. If you've recently upgraded to an iPhone X or any model released after it, the old "hold the side button" trick no longer works the way you'd expect. Here's exactly what does work, why Apple changed it, and which method makes sense depending on your situation.
Why Turning Off a New iPhone Isn't Obvious
On iPhones released before the iPhone X (models with a Home button), holding the side or top button brought up a simple "slide to power off" slider. Done.
Starting with the iPhone X, Apple removed the Home button and repurposed the side button for Siri and Apple Pay. Holding the side button alone now activates Siri — not the power menu. This catches a lot of people off guard, especially those upgrading from older models.
The good news: there are three reliable methods to shut down a new iPhone, and each has its place.
Method 1: Button Combination (iPhone X and Later)
This is the quickest hardware method once you know it.
How to do it:
- Press and hold the side button (right side) and either volume button simultaneously
- Hold for about 2–3 seconds
- The power-off slider appears — slide it to shut down
This works on iPhone X, XS, XR, 11, 12, 13, 14, 15, and all Pro/Max variants in those lines.
💡 A common mistake is releasing the buttons too early. Hold until the slider appears — if you hold too long, you'll trigger Emergency SOS instead.
Method 2: Settings Menu (Any Modern iPhone)
If the button combo feels awkward or you want a more deliberate approach, the Settings route works on any iPhone regardless of model:
How to do it:
- Open the Settings app
- Scroll to General
- Scroll to the bottom and tap Shut Down
- Slide the power-off slider
This method is slower but removes any ambiguity. It's also useful if your side button is damaged or sticky.
Method 3: AssistiveTouch (On-Screen Button)
AssistiveTouch is an accessibility feature that adds a floating virtual button to your screen. It can be set up to trigger a shutdown without pressing any physical buttons.
To enable it:
- Go to Settings → Accessibility → Touch → AssistiveTouch
- Toggle it on
- Tap the floating button → Device → More → Restart or use Lock Screen options
This method is especially useful for users with physical limitations or a broken side button.
Restart vs. Shut Down: What's the Difference?
These aren't the same thing, and the distinction matters.
| Action | What Happens | When to Use It |
|---|---|---|
| Shut Down | iPhone powers off completely | Before storage, travel, or battery conservation |
| Restart | Powers off and immediately reboots | Fixing software glitches, applying updates |
| Force Restart | Hard reboot — bypasses frozen UI | When the screen is unresponsive |
A force restart on iPhone 8 and later uses a specific button sequence: quickly press Volume Up, then Volume Down, then hold the Side button until the Apple logo appears. This doesn't erase anything — it's just a harder reset when the normal methods aren't responding.
What About Siri?
You can tell Siri to turn off your iPhone — sort of. Saying "Hey Siri, turn off my iPhone" will prompt Siri to ask for confirmation, and tapping Power Off completes the shutdown. It works, but it's rarely faster than the button method unless your hands are full.
Does Turning Off Your iPhone Actually Help?
A full shutdown isn't something most users need to do regularly. Modern iPhones manage background processes, memory, and battery efficiently. That said, a periodic restart — not necessarily a full shutdown — can help clear temporary memory, resolve minor app glitches, and apply certain system updates.
If you're troubleshooting a specific issue (an app crashing, Bluetooth acting up, cellular signal dropping), a restart is usually more useful than a full shutdown, because it reloads the operating system fresh.
Variables That Affect Which Method Works for You
Not everyone's situation is the same:
- iPhone model: The button combo only applies to Face ID iPhones (X and later). Touch ID models with a side button (iPhone SE 2nd/3rd gen) use the same combo, but the button layout differs slightly.
- Physical button condition: If your side button is unreliable, Settings → Shut Down or AssistiveTouch becomes your primary option.
- iOS version: Apple has occasionally adjusted gesture behavior across iOS updates — the Settings path is the most stable method across versions.
- Accessibility needs: AssistiveTouch opens up more options for users who find physical button combinations difficult.
- Muscle memory from older iPhones: If you're coming from an iPhone 6 or 7, relearning the combo takes a few days. It's worth building the habit intentionally.
The right method depends on which iPhone you're holding, the condition it's in, and how you use it day to day — factors that look different for every person reading this.