Can Huawei Changlian information be found in the background?

Of course. The call records of Huawei Changlian are stored in Huawei Cloud. As long as you log in to Huawei account, you can view and manage call records in Huawei Cloud. Huawei Changlian app will also keep the user's call records, and users can view and edit the call records in the App. Therefore, as long as you have a Huawei account and password, you can view Huawei Unicom phone records in Huawei Cloud or Huawei Unicom applications.