What are the short message marketing strategies?

If these strategies are effective, they must do these two steps:

You need to collect the customer's mobile phone number. Enter all their cell phone numbers into the excel spreadsheet. The following is ready to use.

Open the above interface, then copy the mobile phone number, enter what you want to say, that is, the content of the short message, and send the short message for 5 seconds. The ringtone of the other party's mobile phone short message rings.