
The Sleep/Wake button on an iPhone is now referred to as the Side button by Apple. The button is located on the upper right side of the phone, and is used to put the phone to sleep, wake the phone, power on and off, and handle incoming calls. Pressing the Sleep/Wake button once puts the phone in standby mode, reducing power consumption. Pressing it again wakes the phone.
| Characteristics | Values |
|---|---|
| Names | Side button, Sleep/Wake button, On/Off button |
| Location | Upper right side, top right corner |
| Functions | Putting the phone to sleep, waking the phone, powering on and off, handling incoming calls |
| To put iPhone to sleep | Press the button once |
| To wake iPhone | Press the button once or press the Home button |
| To turn off iPhone | Press and hold the button until the red slider appears on the screen |
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What You'll Learn

The Sleep/Wake button is also known as the Side button
The Sleep/Wake button has multiple functions. Firstly, it is used to put your iPhone to sleep and wake it up. When your iPhone is locked, pressing this button once will wake it up, just like the On/Off button. You can also use it to turn off your iPhone completely by pressing and holding the Sleep/Wake button until the red power-off slider appears, and then swiping the slider.
Additionally, the Side button can be used to lock your iPhone. When you press the Sleep/Wake button once, your iPhone goes into standby mode, saving battery power and locking the phone without shutting it down. This is particularly useful when you want to put your phone in your pocket or bag without accidentally making a call or activating other features.
The Side button also plays a role in restarting your iPhone. If your iPhone has a Home button, press and hold the Sleep/Wake button until the red slider appears, and then drag the slider to turn off your device. To restart, press and hold the Sleep/Wake button again until the Apple logo appears on the screen. For iPhones without a Home button, simultaneously press and hold the Side button and either Volume button until the sliders appear, then drag the Power Off slider.
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Pressing the Sleep/Wake button once puts the iPhone to sleep
Pressing the Sleep/Wake button once puts your iPhone to sleep. This button is also known as the Side button and can be found on the upper right side or top of your iPhone. It is usually a silver, dash-shaped button. Pressing it once will lock your phone and considerably reduce power consumption. Your phone will go into standby mode, and the screen will be darkened, but you will still be able to receive incoming calls and messages. This is a useful feature when you want to put your phone in your pocket or bag without accidentally making a call.
The Sleep/Wake button is also used to power on and off your iPhone. To turn off your iPhone, press and hold the Sleep/Wake button until you see a red bar with the message "Slide to Power Off". Then, drag your finger across the bar to turn off your iPhone. Press the Sleep/Wake button again to power on your iPhone.
Additionally, the Sleep/Wake button can be used to handle incoming calls. When you are on a call and wish to lock your phone, simply press the Sleep/Wake button once. This will allow you to end the call and lock your phone without hanging up.
The Sleep/Wake button is a versatile feature on your iPhone that allows you to manage your phone's power consumption, handle incoming calls, and easily lock and unlock your device.
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Pressing the Sleep/Wake button twice wakes the iPhone
The Sleep/Wake button has three main functions: sleeping and waking, powering on and off, and handling incoming calls. It is important to note that putting the iPhone to sleep is different from shutting it down. When you put the iPhone to sleep, you are essentially locking the device and saving battery power while still being able to receive incoming calls and messages. The screen powers down, but the device is not completely turned off.
To put the iPhone to sleep, press the Sleep/Wake button once. If you want to turn off your iPhone completely, press and hold the Sleep/Wake button until the red slider appears on the screen. Then, drag your finger across the slider from left to right to turn off the device. If you change your mind, you can always tap the cancel button at the bottom of the screen.
Additionally, the Sleep/Wake button can be used to handle incoming calls. While your iPhone is locked, pressing the Sleep/Wake button once will wake the device, and you can choose to answer or decline an incoming call. This button is a convenient way to quickly access your iPhone without having to unlock it completely.
In summary, pressing the Sleep/Wake button twice wakes the iPhone, and this button plays a crucial role in managing the device's power consumption, incoming calls, and overall accessibility.
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The Sleep/Wake button is used to power the iPhone on and off
The Sleep/Wake button, also known as the Side button, is used to power the iPhone on and off. It is located on the upper right side of the phone, either on the side or top. Pressing the Sleep/Wake button once will put your iPhone to sleep, locking it and turning off the display while still allowing you to receive incoming calls and messages. This is different from shutting down the iPhone, which involves pressing and holding the Sleep/Wake button until the "Slide to Power Off" message appears and then swiping left to right to turn off the device.
The Sleep/Wake button has multiple functions, including sleeping and waking the device, powering it on and off, and handling incoming calls. When your iPhone is in use, pressing the Sleep/Wake button once will put it into standby mode, reducing power consumption significantly. You can press the button again to wake the iPhone and resume using it. This feature is especially useful when you are not actively using the phone but still want to stay connected and receive notifications.
The Sleep/Wake button is also essential for powering on and off your iPhone. To turn on your iPhone, you press and hold the Sleep/Wake button until the Apple logo appears on the screen. This action restarts the device and can be helpful when your iPhone is misbehaving or unresponsive. It is recommended to restart your iPhone occasionally or when issues arise, as it can help clear any problems and improve performance.
Additionally, the Sleep/Wake button plays a role in handling incoming calls. While the exact functionality is not explicitly mentioned, it likely involves managing call-related tasks, such as answering or ending calls, putting calls on hold, or accessing call settings. This feature adds convenience and ease of use when it comes to call management on your iPhone.
Overall, the Sleep/Wake button is a versatile tool that allows you to manage your iPhone's power, connectivity, and call functions efficiently. It provides quick access to essential features, ensuring a seamless user experience.
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The Sleep/Wake button handles incoming calls
The Sleep/Wake button, located at the top of your iPhone, is a small, dash-shaped silver button that has multiple functions, including putting your phone into standby mode, powering it on and off, and handling incoming calls.
When receiving an incoming call, pressing the Sleep/Wake button once will send the call to voicemail and turn off the screen. This feature is useful if you are unable to answer a call and want to stop your iPhone from ringing. However, it is easy to accidentally end a call by pressing the Sleep/Wake button when you intended to answer it.
With the release of iOS 16, Apple introduced a new setting to prevent the Sleep/Wake button from ending incoming calls. This setting can be enabled by going to "Settings," scrolling to "Accessibility," selecting "Touch," and then toggling on the "Prevent Lock to End Call" option. By turning on this setting, you can avoid accidentally hanging up on someone by pressing the Sleep/Wake button.
It's important to note that the Sleep/Wake button is not the only way to handle incoming calls on your iPhone. You can also use the Ring/Silent switch, which is located on the side of your iPhone. When this switch shows orange, your iPhone is in Silent mode, and it will vibrate for incoming calls or alerts. In Silent mode, alarms set in the Clock app will still sound, and calls from favourite contacts will ring through.
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Frequently asked questions
The sleep/wake button is on the upper right of your iPhone, either on the upper right side or top. It is also known as the Side button.
Pressing the sleep/wake button once puts your phone to sleep and locks it. This saves battery power and prevents accidental calls. You can still receive calls and texts, but the screen powers down. Press the button again to wake your iPhone.
Press and hold the sleep/wake button until the red slider appears on the screen. Then, drag your finger from left to right across the slider to turn off your iPhone.











































