1. Press down the Power button and Home button simultaneously as usual, but press the Home button one second after pressing the Power button.
2. Force restart the iOS device: Press and hold the iPhone or iPad’s home button and the power button for at least 10 seconds, please to force restart the device.
3. Take screenshots with Assistive Touch
Step 1. Enable Assistive Touch on your iPhone/iPad: Setting > General > Accessibility > Assistive Touch. Toggle the button of Assistive touch until it appears green.
Step 2. You will see Assistive Touch button on your screen. Tap on it > Device > More > Screenshot.
How to Fix iPhone iPad Can’t Take Screenshot with Assistive Touch
4. For iPhone 6s and later, you can add Screenshot to 3D Touch Actions to take screenshots: Setting > General > Accessibility > Assistive Touch > enter the Customize the Top Level Menu> 3D Touch Actions > and check the “Screenshot”. Then press strongly on the Assistive Touch icon and the screenshot should be taken.
How to Fix iPhone iPad Can’t Take Screenshot with 3D Touch Action
To manage all photos on your iOS devices like screenshots, camera roll, photo stream, photo library and more, you can try AnyTrans. It is a File Manager for iOS devices, allowing you to transfer screenshots and other photos from iPhone to computer or to another iDevice in a direct way. AnyTrans sorts your photos in Albums and you can find all screenshots without efforts. In addition, you can also import photos to your iPhone without wipingexisting pictures.
To manage your iPhone screenshots/photos, you need to download AnyTrans firstly on your computer. Then run it and connect with your iPhone. Go to the page as below, and choose Photos > Albums.
Manage Screenshots on iPhone with AnyTrans
You can click the Send to PC/Mac button or to iDevice button to transfer them to computer or another iDevice.