If switches do not function on your iPhone or they are broken, then see this web story to switch OFF/ON iPhone without power button.
1. Navigate to the Settings app 2. Tap on General. 3. Keep scrolling to the end and tap on Shut Down. 4. Pull the slider to the turn-off iPhone.
To turn on the iPhone without using the power button, just plug it into a charging port. The iPhone will switch on by itself.
1. Navigate to the Settings app. 2. Tap General. 3. Tap Accessibility. 4. Tap AssistiveTouch. 5. switch ON AssistiveTouch
1. Tap virtual Home button. 2. Wipe Device icon, which glances like iPhone. 3. Push and bear Lock Screen, slide to power off will appear. 4. Swipe Red Power icon, to turn off your iPhone.
Siri can’t shut down the iPhone, So ask Siri to open the general setting, then navigate the Shut Down option manually then slide to shut down.
You can select timers for the iPhone to assure that when it is reached to schedule, the iPhone will be instantly turned off or ON as per your choice.
There are numerous ways to Turn off a iPhone without any power button.