Tap The Apple - How to Take A Screenshot by Simply Tapping the Apple Logo on Your Iphone
Tap the Apple trick-
You will be able to enable the backup feature - tap the apple logo on the back of your phone to perform certain functions.
I have mine set for 2 taps takes a screenshots and 3 taps is the app switcher.
It’s a neat and handy little trick. Let me know how you customize yours!!
And yes, it works through most phone cases!