For some days I noticed that the camera app on my Nokia 5 TA-1053 stops working and the photo I clicked got stuck in processing part.. After I force stop the app and clearing cache ad data of the app it again worked.. but now when this again happened I force stopped it and disabled it, which turns out to be uninstalling the Camera app . And now after enabling the app it is shown on my device. But not in installed apps section of play store, which is odd as it's a system app. Also the features which it got after the update that came approx 1-2 months ago, are gone. And that update is also not shown in play store.