iPhone 4 updated iOS 6, all apps auto-close
Ive updated my iPhone 4 to iOS 6 and since then it always auto-close the apps that I'm using...mostly all apps.
It's also doesn't auto-lock phone since I've set it 2min. Yes, battery run-out very fast.
Its so frustrating, can't even complete typing my sms! What can I do? help please...
iPhone 4, iOS 6