How to bind qq number to another mobile phone number

First, use Baidu search to find the personal center of QQ members, and click to enter, as shown in the figure below.

2. Click the "Login" option after entering, and then log in to the QQ number bound by the mobile phone number, as shown in the figure below.

Third, after logging in, select the option of "QQ binding mobile phone", as shown in the figure below.

4. Finally, enter the mobile phone number to be bound and get the verification code for verification, as shown in the figure below.