Ahead of the official Mate 30-series launch date, Huawei posted several teaser videos on Weibo hinting at some of the features the duo will have. The first video posted is about the side control buttons that might end up being pressure-sensitive virtual buttons instead of the old-fashioned hardware keys. Perhaps just like vivo's NEX 3, Huawei is facing the same design challenges that come with the curved Waterfall screen. The next video suggests that the phone will support air gestures - probably something similar to the Pixel 4 gestures. We assume the upgraded hardware for facial...
Source: https://www.gsmarena.com/huawei_posts_mate_30_promo_videos_expect_virtual_buttons_and_air_gestures-news-39220.php
