The Galaxy S10 has also received the latest January 2020 security patch update. The update is rolling for the global Exynos variant of the device. The update is carrying baseband version BSL4. The update is being rolled out as an OTA update. The latest update addresses some bugs and optimizes the performance of the device. If you’re using an Exynos Galaxy Note 10 or Galaxy S10 then you should receive the OTA update very soon. Otherwise, you can check for the OTA update manually in order to get notified. Just go to the device Settings menu > select the Software Update > tap on the Download and Install option. Source

Samsung Galaxy Note 10   Galaxy S10 receive January 2020 security patch - 13