How to Turn Off Every iPhone Model From the Original to iPhone 16

Turning off an iPhone used to be a singular, intuitive action: press and hold the power button until a slider appeared. However, as Apple transitioned from the classic Home button design to the edge-to-edge Face ID interface, the process evolved. Today, shutting down your device can involve different button combinations, software menus, or even voice commands, depending on your hardware and iOS version.

For the most modern devices—including the iPhone 16, 15, 14, and all Face ID models back to the iPhone X—the standard method is to simultaneously press and hold the side button and either volume button until the power-off slider appears. For those using iOS 18 or later, a dedicated power icon now exists directly within the Control Center.

The Evolution of the iPhone Power Cycle

To understand why turning off an iPhone varies so much, one must look at the functional shift of the "Side Button." In early iterations, this button was strictly for power and sleep. With the removal of the Home button in 2017, Apple reassigned the long-press action of the side button to summon Siri. This necessitated a new "two-button" chord for powering down, a change that still catches many long-time users off guard.

Periodic shutdowns are more than just a way to save battery. They serve as a soft reset for the operating system, clearing the Random Access Memory (RAM) and terminating stray background processes that might be causing lag or overheating. Whether you are troubleshooting a glitch or preparing your device for long-term storage, knowing every available method ensures you are never locked out of controlling your hardware.

How to Turn Off iPhones with Face ID

This category includes the vast majority of iPhones currently in use, such as the iPhone 16 series, iPhone 15, iPhone 14, iPhone 13, iPhone 12, iPhone 11, and the iPhone X/XR/XS. Since these devices lack a physical Home button, the side button alone will not trigger the power slider.

The Two-Button Combination

1. Locate the Buttons: Identify the Side Button on the right side of the device and the Volume Up or Volume Down button on the left.
2. The Press: Press and hold the Side Button and either Volume button at the same time.
3. The Threshold: Hold them for approximately two to three seconds. A screen will appear featuring three sliders: "Slide to Power Off," "Medical ID," and "Emergency SOS."
4. The Action: Drag the top slider (Power Off) from left to right.
5. Shutdown Completion: The screen will go black. It usually takes 30 seconds for the device to completely power down.

Pro Tip: If you release the buttons too quickly, the iPhone will capture a screenshot instead of showing the power menu. Ensure you maintain a steady hold until the sliders appear.

Avoiding the Emergency SOS Trigger

A common frustration occurs when users hold these buttons for too long (over five seconds), which may initiate an Emergency SOS countdown. If you hear a loud siren, release the buttons immediately and tap "Cancel" on the screen to avoid accidentally calling emergency services.

How to Turn Off iPhones with a Home Button

If you are using a model with a physical circular button below the screen—such as the iPhone SE (2nd and 3rd Gen), iPhone 8, iPhone 7, or iPhone 6—the process remains closer to the classic experience.

1. Identify the Side Button: On these models, the power button is located on the right-hand side of the frame.
2. Press and Hold: Press and hold the Side Button. You do not need to touch the volume buttons.
3. The Slider: After a few seconds, the "Slide to Power Off" bar will appear at the top of the screen.
4. Confirm: Swipe the slider to the right to shut down.

How to Turn Off Older iPhone Models and the Original SE

For legacy devices like the iPhone 5s, 5c, 5, or the original 4-inch iPhone SE (2016), the power button is located on the top edge of the device rather than the side.

1. The Top Button: Press and hold the button on the top right corner of the phone's frame.
2. Wait for the Prompt: The slider will appear on the screen.
3. Power Down: Swipe to confirm.

These older devices often shut down faster than modern ones because their operating systems are less complex and have fewer background "housekeeping" tasks to finalize before cutting power.

Turning Off Your iPhone via the Settings App

There are scenarios where physical buttons might be unresponsive or broken. Alternatively, some users find the two-button squeeze difficult for accessibility reasons. Apple integrated a software-based shutdown option starting with iOS 11.

1. Launch Settings: Tap the grey gear icon on your Home Screen.
2. Navigate to General: Scroll down and select the "General" category.
3. Scroll to the Bottom: Swipe all the way to the bottom of the General menu.
4. Tap Shut Down: You will find a blue text link labeled "Shut Down."
5. Slide to Power Off: The standard power slider will appear. Swipe it to the right.

This method is considered the "safest" way to turn off a device if you are worried about mechanical wear and tear on the buttons over time.

The iOS 18 Control Center Shortcut

With the release of iOS 18, Apple introduced a significant quality-of-life update for power management. You no longer need to dig through the Settings menu if your buttons aren't working.

1. Open Control Center: Swipe down from the top-right corner of your screen (where the battery and signal icons are located).
2. Locate the Power Icon: In the top-right corner of the Control Center grid, there is now a dedicated Power Button icon.
3. The Long Press: Tap and hold the Power icon.
4. Confirmation: The "Slide to Power Off" prompt will appear instantly.

This is arguably the most efficient way to shut down a modern iPhone while the screen is functional, bypassing the need for physical force entirely.

Using Siri for Hands-Free Shutdown

If your hands are busy or the touchscreen is partially unresponsive, Siri can handle the shutdown process. This feature was refined in recent iOS updates to be more reliable.

1. Summon Siri: Say "Hey Siri" or "Siri" (depending on your settings), or hold the Side Button.
2. The Command: Clearly say, "Turn off my iPhone" or "Shut down my iPhone."
3. Confirmation: Siri will ask, "Just to confirm, you want to power off this device?"
4. Final Step: Tap the "Power Off" button that appears on the screen or say "Yes."

Note: Siri cannot perform a full shutdown without a final confirmation tap or verbal "Yes" from the user. This is a security measure to prevent accidental voice triggers from turning off your phone in your pocket.

Accessibility Solutions: Using AssistiveTouch

For users with limited mobility or those dealing with a completely broken power button, AssistiveTouch provides a floating on-screen menu that can control power functions.

1. Enable AssistiveTouch: Go to Settings > Accessibility > Touch > AssistiveTouch and toggle it On. A small grey floating circle will appear on your screen.
2. Customize Top Level Menu: (Optional) You can add a "Restart" or "Long Press" icon here.
3. Standard Shutdown: Tap the floating circle, select Device, then press and hold the Lock Screen icon. This will eventually trigger the "Slide to Power Off" slider.

Troubleshooting: What to Do When the iPhone is Frozen

Sometimes, a standard shutdown is impossible because the screen is "frozen" or the software has crashed. In these instances, you must perform a Force Restart. This does not erase your data; it simply cuts power to the hardware at a low level to force a reboot.

For iPhone 8 and Later (Including All Face ID Models)

This requires a specific rhythmic sequence:

1. Press and quickly release the Volume Up button.
2. Press and quickly release the Volume Down button.
3. Press and hold the Side Button.
4. Crucial: Continue holding the Side Button even after the "Slide to Power Off" slider appears. Only let go when the Apple Logo appears on the screen.

For iPhone 7 and 7 Plus

1. Press and hold the Volume Down and Sleep/Wake (Side) buttons simultaneously.
2. Hold until the Apple logo appears.

For iPhone 6s and Earlier

1. Press and hold the Home Button and the Top (or Side) Button at the same time.
2. Hold until the Apple logo appears.

How to Turn Your iPhone Back On

Once your iPhone is off, restarting it is straightforward.

• The Button Method: Press and hold the Side Button (or Top Button) until the white or black Apple logo appears in the center of the screen.
• The Charging Method: Simply plug your iPhone into a Lightning or USB-C cable connected to a power source, or place it on a MagSafe/Qi wireless charger. iPhones are designed to automatically boot up when they detect an incoming charge while powered off.

Why and When Should You Turn Off Your iPhone?

In an era of "Always On" displays and background updates, many users go months without a full shutdown. However, there are technical advantages to a manual power cycle.

Performance Restoration

iPhones manage resources efficiently, but long-term uptime can lead to fragmented memory. A shutdown flushes the RAM entirely, which can resolve micro-stutters in the UI and speed up app switching.

Battery Longevity and Storage

If you plan to store your iPhone for more than a few days without using it, Apple recommends two things:

1. Power it down completely: Leaving it in standby will eventually drain the battery to 0%, which can lead to "Deep Discharge" state, potentially ruining the battery's ability to hold a charge.
2. The 50% Rule: Do not store a phone at 100% or 0% charge. Aim for approximately 50% before turning it off for long-term storage.

Security and Privacy

When an iPhone is powered off, it enters a "Before First Unlock" (BFU) state. In this state, all data is strictly encrypted, and biometric features like Face ID or Touch ID are disabled until the passcode is entered. If you are in a situation where you want to ensure maximum data privacy, turning the phone off is the most effective digital barrier.

Summary of Shutdown Methods

Frequently Asked Questions

Why does my iPhone turn back on when I plug it in?

This is a native feature of iOS. Apple assumes that if a user is charging a powered-off phone, they intend to use it soon. There is no setting to disable this behavior. If you want to charge your phone while it is off, you must first plug it in, wait for it to turn on, and then perform the shutdown process while the cable remains connected.

Is a "Restart" different from a "Shut Down"?

Technically, no. A restart simply automates the process of shutting down and immediately powering back up. However, a manual shutdown followed by a brief wait (10-30 seconds) allows the hardware components to lose their electrical charge completely, which is sometimes more effective for clearing stubborn hardware glitches.

Does "Find My" work if my iPhone is turned off?

Yes, on modern iPhones (iPhone 11 and later running iOS 15 or later). When you initiate a shutdown, you may see a small note under the slider saying "iPhone Findable After Power Off." The device keeps a tiny reserve of power for the U1/U2/U3 ultra-wideband chips to broadcast a Bluetooth signal that can be picked up by the Find My network.

Can I turn off my iPhone if the screen is completely black?

If the screen is black but the phone is still on (e.g., you can hear notifications), you should use the Force Restart method mentioned above. If the phone is completely dead and unresponsive, it is already "off" due to lack of power.

My power button is stuck. How can I turn the phone on?

If your power button is physically broken, you can turn the iPhone on by connecting it to a power source (charger). The phone will automatically boot once it detects the power input.

By mastering these various shutdown and restart techniques, you ensure that you remain in control of your device regardless of hardware failure or software instability. Whether you prefer the tactile feedback of the buttons or the streamlined interface of the iOS 18 Control Center, the ability to power down is a fundamental skill for every iPhone owner.