How much does qq Security Center charge for security authentication SMS?

QQ Security Center security authentication SMS charges normally. There are two situations:

After 1.QQ is bound to the mobile phone number, you need to send a short message to change or inquire about the service, so the short message fee is 0. 1 yuan. However, if the mobile phone number has a monthly short message service, such as China Mobile 10 yuan package contains 200 short messages, then only one short message can be deleted;

2.QQ security authentication binding All messages received by this mobile phone number are free.