When using China Construction Bank personal online banking, why can’t the SMS confirmation code be sent to the bound mobile phone number?

1. Check whether your mobile phone is in arrears, has poor signal, etc.

2. Check whether your mobile phone has blocked these text messages, causing you to not receive them. Some smart phone anti-virus software will block related words;

3. Check whether the binding between bank card and mobile phone is valid, whether the number has been changed, etc.

4. Bank network system problems or operations Business network problems lead to long delays