how to hard shut down iphone
To force restart an iPhone, use the button combo for your model; this is usually what people mean by “hard shut down” when the phone is frozen.
iPhone X or later
- Press and quickly release Volume Up.
- Press and quickly release Volume Down.
- Press and hold the Side button until you see the Apple logo.
iPhone 7 / 7 Plus
- Press and hold Volume Down + Side button together.
- Release when the Apple logo appears.
iPhone 6s, SE (1st gen), or earlier
- Press and hold the Home button + Top/Side button together.
- Release when the Apple logo appears.
If you just want to power it off
- On iPhone with Face ID, press and hold the Side button and either Volume button until the slider appears, then drag to power off.
- You can also go to Settings > General > Shut Down and slide to power off.
If you want, I can give the exact steps for your specific iPhone model.