How to board official website in oppo Crouching Tiger, Hidden Dragon 2?

Open the cloud service interface, you can log in directly if you have a cocoa account, and you can log in directly to the cloud service if you don't have a cocoa account. Back up the address book, text messages, applications, photo albums and other things to your mobile phone, and never lose them! You can also locate your mobile phone by turning on the function of retrieving it. The premise is that the mobile phone has Internet.