What does the original record of SMS mean?

The initial state and subsequent changes of information generated on the user's mobile phone. The original record of SMS refers to the record of SMS sent by mobile phone, which helps consumers to track the SMS sent and whether the record has been sent. The original record of SMS provides an instant report in the consumer's bill to show the sender, receiver, date and time, the name of the recipient to whom the SMS was sent and the content sent.