How to change my mobile phone number bound by QQ?

How to change the binding after binding? Method 1: edit the short message "QQ number and QQ password" directly through the mobile phone and send it to the service code: 1700 15 (for mobile and telecom users), 9777 15 or 3777 15 in Guangdong, Sichuan, Shanghai and Guangdong. Users in other regions please send instructions to 9777 15. (Unicom users), 17000 15 (Netcom users), you can change the binding according to the received SMS prompts. Method 2: You can also log in to the QQ client and select menu-> Wireless QQ to enter the binding related page and change the binding operation. Method 3: Log in to the binding page (/) and click the Change Binding button to change the binding. Note: After the binding change is successful, you can log in to the binding page (), and you can query personal binding after logging in.