The latest update is to prevent non affected phones from getting the problem, not fix the problem. WTH? 😨
https://community.sprint.com/t5/Samsung/Galaxy-S10-10-10e-Perma-Roaming-The-Sequel/m-p/1041330/highlight/true#M10064
This shows the message.
https://community.sprint.com/t5/Samsung/Galaxy-S10-10-10e-Perma-Roaming-The-Sequel/m-p/1041330/highlight/true?lightbox-message-images-1041330=10797iF13C5D6B8DA9A432#M10064