Thank you for being a part of Samsung community. We apologize for the issue you are facing in call screen after device update. The relevant department will serve you better, if you can provide logs/video within 15 minutes of issue occurrence by registering this feedback in Error Section (Samsung Members App -> Feedback -> Questions/Errors -> Create -> Error reports). As you are unable to get "app info" option while tapping on application is default and it is not available in Oreo OS.
Be sure to hit ♡ when you find an answer that works for you. For Further assistance, you can get in touch with us via Live Chat option by following- http://livechat.support.samsung.com/Customer_new/IN. You can also connect us via Samsung Members web community by following mentioned url-https://community.samsungmembers.com/en_IN#/
