As the title says, my iPhone 5s keeps shutting down after opening certain apps. Yesterday it was just the notability app. After I meandered through the days lecture notes I exited the app and then the whole screen went blue (similar to what old pcs would do when something went wrong) and then would proceed to restart. I went to the apple store, they claimed it was just that the app wasn't ready for the 5s. Now tonight as I was looking over a document in Pages, it did the same thing. Had anyone else had these issues, and if so, we're you able to figure out what's going wrong? Thanks.