Lock screen bug of iOS 7

As the latest operating system for iDevices, iOS 7 can be compatible with iPhone 4, iPhone 4s, iPhone 5, iPhone 5s, iPhone 5c, iPad 2/3/4, iPadmini, and iPod touch 5. Before upgrading iOS to iOS 7, users should upgrade iTunes to iTunes 11.1. Compared with previous versions of iOS, iOS 7 has many excellent functions,Read More