The latest OneUI 3.1 software update for Galaxy A71 bears the firmware number A715FXXU3BUB5 which weighs approximately 2.5 GB. It brings all the Android 11 features like Chat Bubbles, native screen recorder, revamped media controls, new themes, new permission settings, etc along with One UI 3.1 delicacies on top. Also, the build provides a month-old February 2021 security patch.
On the other hand, the Samsung Galaxy A50s is receiving One UI 3.1 firmware with build number A507FNXXU5DUB6. The software weighs around 1.8 GB and brings along the latest March 2021 security patch to the device.
The update is live via OTA in India and other countries in Asia and Europe. It may soon hit your device or as always, you can give it a manual check by visiting settings > system updates > download.