Why can't I find a detailed list of information transfer?

If you mean that your number can query other types of details, but you can't query SMS details, it doesn't rule out that it is caused by network failure. It is suggested that you can query later, or try to refresh and change your browser before querying. If the above operations are still unresolved, I suggest you consult Unicom's manual customer service.

If you mean that you can't query the content of the short message, you can check the content of the short message through the short message receiving and sending record of the mobile phone terminal. If your mobile phone keeps a record of your short messages, you can query the contents of the short messages directly on your mobile phone. Because the content of the short message involves personal privacy, Unicom has no right to inquire, so it cannot be inquired through the detailed list.

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