What is the Android OS version on SM-A115A?

Samsung Galaxy A11 SM-A115A comes with Android 10 OS (One UI 2.1) out of the box, According to the WI-FI Alliance Certificate for the SM-A115A.

Product Name: Mobile Phone
Model Number: SM-A115A
Brand: Samsung Electronics
Category: Phones
Last Certified Date: 2020-04-24

Hardware Version: REV1.0
Firmware Version: A115A.001
Operating System: Android, version:10
Frequency Band(s): 2.4 GHz, 5 GHz