https://www.cnet.com/news/qualcomm-plan-for-5g-android-phones-in-2019-heres-whats-coming/

During the keynote, Amon showed off a prototype 5G device that could tap into 5G networks that Verizon and AT&T lit up in a convention center ballroom. Samsung also had a prototype design of its first 5G phone, one that it promised will launch with Verizon and AT&T in the first half of 2019. (Too bad we weren't allowed to touch it.)

Here were the biggest announcements from Day 1: