I can't see the received SMS information in the detailed list. How can I check it?

As the content of short messages involves personal privacy, Unicom has no right to inquire; If your mobile phone has a record of the information you sent, you can query the content of the information directly on your mobile phone. If you need to query the SMS list, you can log in to the online business hall.

4G primary and secondary cards:/02 UPY;