This story was originally published and last updated .
If you're rocking a Galaxy S21, S21+, or S21 Ultra, and you want to check out the latest software goodies that Samsung is brewing up, you'll want to get involved with the One UI beta program. Version 4.0 is out to beta testers in the program today, and it has quite a few new changes. Chief among them, at least for owners in the United States, is support for eSIM cards, although this feature isn't working just yet. The feature was available previously in other countries and territories (as well as for the T-Mobile Note 20 and Note 20 Ultra).Read More