登录iCloud 访问照片、邮件、备忘录、文稿等。通过 Apple 账户登录,或者创建新账户以开始使用 Apple 服务。
When Apple servers are down, your iPad won't be able to back up to iCloud. To check for any downtime on the server side, visit the Apple System Status page and check if it's green. If not, you'll need to wait until Apple resolves the issue before backing up your device again wi...