Apple has added a new “Shutdown” function in iOS 11 Settings app which makes users to easily turn off
their iPhone/iPad with no or broken Power Button. Sometimes you may need to
shutdown your device to fix some bugs, overheating problem and crashing apps
while using. So, when you have a Broken Power button it’s really a difficult
thing to turn off your iPhone/iPad without Power Button or Sleep/Wake button.
With iOS 11 "Shutdown" function you can quickly turn off/shutdown/switch off your Phone/iPad without power button or assistive touch in iOS 11
But with Apple’s AssistiveTouch feature, you can lock your iPhone/iPad screen, force restart your device
when in need even if you have a broken power button which is not working. There
is little tricky and quite lengthy process to shutdown your iPhone/iPad without
power button with Assistive Touch in iOS.
Here’s how to Turn iPhone Off without power button in any iOS using AssistiveTouch.
First you need to enable
Assistive Touch function from the Settings>> General>>
Accessibility>> AssistiveTouch
.
When enabled, press the
AssistiveTouch button from your Homescreen or Springboard.
Go to Device, then press and
hold on the Lock Screen icon.
With iOS 11 "Shutdown" function you can quickly turn off/shutdown/switch off your Phone/iPad without power button or assistive touch in iOS 11
It will now bring up the
“Slide to Power Off” slider and Slide it to power off your device.

How to Switch Off iPhone without Power Button in iOS 11

Thankfully, iOS 11 now lets
you to switch off your iPhone/iPad with Shutdown function without using Power button quickly than using
lengthy Assistive Touch’s process. You may be thinking how? There is a new “Shut
Down” function in iOS 11 down to the reset function of the Settings app that
will let you turn off/shutdown/switch off  your iPhone/iPad completely whenever you want. This trick helps you a lot when your iPhone power button is broken.
How to Shutdown iPhone without Power Button in iOS 11

You can also shutdown your iPhone from the default settings of iOS 11 when you have broken power button.

To Shutdown your device,
simply head over to Settings >> General. Scroll down below and tap on the
“Shut Down”
which is highlighted in blue, then swipe on the ‘Slide to Power Off” to turn off your iPhone/iPad.

With iOS 11 "Shutdown" function you can quickly turn off/shutdown/switch off your Phone/iPad without power button or assistive touch in iOS 11
You have successfully power off your iPhone/iPad without power button or broken home button with a new iOS 11’s Shutdown function.

You can also also see How to restart or reboot iPhone/iPad using Assistive Touch

But how to turn on iPhone without power button and get back on normal state after you have completely
shutdown your device? Well don’t panic, simply connect your device using
Lightning cable, your device will be turned On.
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