Huawei is expected to release the Mate 30 and Mate 30 Pro sometime this fall, if the US-China trade war does not go in flames. The phones are likely to keep a square camera setup on the back like the Mate 20 series, and according to one leakster, the vanilla option will have a 40 MP + 40 MP + 8 MP combo. I told you a few rumors about Mate 30 pro camera, IMO this is more possible.40MP 1/1.5" sensor with f/1.6 - f/1.4 aparture, RYYB pixel layout and Cine lens features when taking video. 40MP 1/1.7" 120° ultrawide lens with cine lens features.8MP tele 5X zoom#HuaweiMate30Pro...
Source: https://www.gsmarena.com/huawei_mate_30_camera_to_have_two_40_mp_shooters-news-38450.php