How to remove the SMS blacklist?

Taking vivo mobile phone as an example, the steps to remove the SMS blacklist are: 1. First open the phone settings interface, and then click the "Personal and Security" column. 2. Then select "Harassment Interception" and click the "Blacklist" option. 3. Finally, press and hold the number to be released and click the "Delete" button. SMS is a kind of mobile phone service. Text or digital information directly sent or received by users through mobile phones or other telecommunication terminals is translated from English "short message service". The short message group sending platform used in the network background can independently write relevant text content according to the needs of the sender, which is simple to operate and convenient to modify. At the same time, unified transmission also ensures the accuracy of information.