1. QQ interface
2. There's a phone symbol (click to enter)
3. Click "Expand" or "Hide" (Due to network transfer issues, you may need to wait tens of seconds or a few minutes to see the phone number)
4. Copy the phone number
5. Click on the menu
6. Wireless QQ
7. Select Wireless QQ Wizard
8. Enter the wireless wizard and click "Bind"
9. Select free QQ binding (already activated)
10. Next step
11. Enter the phone number you see
12. Password
Finally, OK.