The ZTE Axon 20 5G smartphone's under-display front camera has been found deeply wanting in DXOMARK's rigorous photo and video tests. The Axon 20's final selfie camera ranking leaves it 78 points behind the Huawei Mate 40 Pro and second from the bottom overall. The under-display camera had issues with high noise and color fidelity.
https://www.notebookcheck.net/ZTE-Axon-20-5G-s-woeful-under-display-camera-hits-almost-rock-bottom-in-DXOMARK-s-selfie-rankings.522826.0.html