The new mobile phone needs the verification code of the old mobile phone. What will the verification code message send?

The mobile phone will send four or six numbers by SMS and fill in the normal verification code.

If you operate at home, it should be that the verification code will be sent to the bound mobile phone, that is, the old mobile phone.

After entering the verification code received on the old mobile phone, enter the number of the new mobile phone and the verification code will be sent to the new mobile phone.

If you handle it at the counter and provide relevant identification, he will untie your old mobile phone directly. Just tell him the number of your new mobile phone.