How to send SMS by telecom or mobile group?

The operation method and steps of mass SMS: select a reliable SMS platform, open and log in an account;

Import number, which can be imported through TXT document or copied and pasted directly;

Exclude non-mobile phone numbers and filter duplicate numbers;

Edit/fill in the short message content, detect keywords, and modify them if any;

Click Send, and the optional send is to save the draft and send it regularly. Over.