https://www.cnet.com/news/samsung-galaxy-s10-rumors-feb-20-launch-5g-talk-at-ces-2019-and-everything-we-know-about-specs-features-and-price/

Adding to the drama is a pair of emerging technologies that promise to alter the smartphone landscape in the near term. Samsung is battling LG, Huawei and others to be the first to market with a foldable phone. And every phonemaker is racing to produce phones that can support the next generation of cellular technology, called 5G. We expect to see examples of both this year.

Read: Smartphones in 2018: The biggest winners and losers