Why do mobile phones always receive QQ SMS verification code information sent by Tencent Technology?

1, your mobile phone number has been used by others, and it is bound to your mobile phone number through qq. Now this person needs a verification code to log in.

Fill in your mobile phone number when logging in qq;

2. Others use your mobile phone number to open QQ;

3. Someone has stolen your qq number, and you need a mobile phone verification code to log in from different places.