Samsung will offer a 4G version of the Galaxy S20 in some countries
 

Samsung has made a point of making 5G available for every Galaxy S20 variant, but that doesn't mean the phones will always come equipped with 5G. People in the UK, countries in mainland Europe and elsewhere will also have the option of buying the S20...

https://www.engadget.com/2020/02/11/...s20-4g-models/