Huawei has been caught passing off DSLR shots as camera samples of its smartphone. While the company has something to say in its defense, this wouldn't be the first time something of this sort has happened, as similar crookery was discovered two years ago with camera samples of the Huawei P9.
https://www.notebookcheck.net/Huawei-caught-using-DSLR-shots-as-camera-samples-in-an-ad-for-its-new-smartphone.323946.0.html