Pages app not working after IOS update?

Jul 25, 2018
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Hi! I like to keep my iPhone 7 updated, however, with the recent IOS 11.1.1 I cannot access my pages app nor my files app on my iPhone. I can click on the app itself, however, after that it is like nothing works. I was wondering if anyone else has this glitch or a similar one because these two apps are really important to me as an Apple user. Thanks!