I'm on 8.1 and have noticed I am unable to update or install apps. In the App Store the the installation icons are just spinning and tapping them does nothing. I've tried switching off wifi and restarting the phone but nothing seems to make any difference. The same behaviour is present if trying to update or install over mobile data. I managed to find a topic over on apple support communities however no fix was mentioned. Has anyone else observed similar behaviour? I'm using an iPhone 5c.