Samsung posted three new teaser videos for the Galaxy S10 family, these are short and sweet. The first makes it clear that the S10 phones are firmly in the no-notch camp as well as highlighting their in-display fingerprint readers. The video description specifically mentions ultrasonic technology. The next video is focused on the selfie camera and the 4K in the title can't escape us - rumors say this will be a 10MP camera with Optical Image Stabilization (not to mention having a Dual Pixel sensor and autofocus). The last one is about the battery, specifically the wireless...
Source: https://www.gsmarena.com/three_galaxy_s10_teaser_videos_confirms_4k_selfie_camera_reverse_wireless_charging-news-35489.php