Clock App Bug Causes Strange Grey Screen, Possible Fixes Found
A number of users have been reporting some issues with the iPhone’s clock app. Some users claim that when they try to access their alarm clocks, they are met with a strange grey screen that won’t go away, and is sometimes followed by the app suddenly quitting. Two possible fixes for this have been uncovered.
Change international settings: Go to Settings > General > Region format and change the region, and try again.
If that doesn’t work, you may need to restore your iPhone by connecting it to iTunes and clicking the ‘Restore’ button.
[via iPhone Atlas]