Samsung is now rolling out the 3rd One UI 2.0 beta update to the Galaxy S10 5G in South Korea. The latest beta update includes several bugs fixes.
The Galaxy S10 series has already received the fourth One UI 2.0 beta update in South Korea, Germany, and US.
The software version of this update is G977NKSU2ZSK9 and the size is 332 MB.
If you have the device and want to check for the update manually, you can head into the Settings > Software update > Download and install.