How many times a day do you pick up your phone out of habit? How many times do you realize that's what you're doing? How many times has that stopped you?
Here is a great article that includes seven wallpapers telling you to quit it. It's a brilliant idea. And guess what? If you google, "iPhone wallpapers to help you put your phone down," you'll end up with quite a few options (a lot of them intended to tell your friends to put your phone down...).
It's so hard to be mindful when we really need to be mindful. This is helpful.
P.S. You can download the image on the left. :) If you click on it, it'll open in a new window.