Since the aperture of Huawei mobile phone is fixed, why can it be adjusted in large aperture mode?

Because the aperture of Huawei mobile phone is fixed, it can be adjusted in large aperture mode, which is Huawei imaging technology. The large aperture mode of Huawei mobile phone photography is the name of a functional mode that can blur the subject background. The large aperture here is not an adjustable physical aperture in the camera lens, because the aperture value of the mobile phone lens is fixed. The large aperture mode in Huawei mobile phone relies on the depth of field calculated by TOF camera and main camera to adjust the depth of field and blur the background.