Click Settings --> General.
Please click to enter the image description
Then click Accessibility.
Please click to enter the image description
Then scroll down and click Assistive Touch.
Please click to enter the image description
First, if your assistive touch is not turned on, then turn it on. Then click Customize top-level menu.
Please click to enter the image description
The custom top-level menu can only have 4 icons at most. Click on any icon.
Please click to enter the image description
When the options as shown below appear, scroll down to see the screenshot options. Click it and then click Done.
Please click to enter the image description
At this time, you can see the screenshot option when you return to the custom top menu.
Please click to enter the image description
When assistive touch is turned on, you will see a translucent box on the screen. Under the premise of ensuring that your assistive touch is turned on, turn to the screen you want to take a screenshot, click on the translucent box, and then the interface as shown below will appear. At this time, click on the screenshot to take a screenshot.
Please click to enter the picture description
Please click to enter the picture description
The screenshot photos will be saved in the photo album of the Apple phone.
Please click to enter the picture description