More reports are coming from iPhone 5S users about software problem called blue screen ("screen of death" how it's called in Windows). Blue screen of death and reloading of iPhone 5S occurs when user returns to home screen or switches to a different application after using iWork (set of apps developed by Apple). Discussion threads already opened on variable resources, such as Apple support and discussions and MacRumors. See video capturing this defect. Please, report solution to fix this problem besides uninstalling iWork apps.