If you want to take a screenshot on your iPhone XR without them knowing, there are a few different ways that you can do it. The first way is to use the Volume Up and Volume Down buttons on your device. This will take a screenshot of the entire screen, which means that whoever is using the phone at the time will see it. If you only want to take a screenshot of part of the screen, you can use the Home button on your iPhone XR to select what part of the screen you want to capture. Then, use the Volume Up and Volume Down buttons to capture just that part of the screen. Finally, if you want to take a screenshot without anyone knowing about it, you can use Face ID on your iPhone XR. This will allow you to unlock your phone and then use Touch ID or Apple Pay onscreen fingerprint scanner to take a screenshot. ..