Samsung One UI 3 rolls out in Zambia on the Galaxy S10 series

Samsung One UI 3 for Android 11 has been in circulation, in fact on some Galaxy phones it comes factory updated like the latest S21 which was available in Stores in late January 2021.
Also on the Galaxy S20 series the One UI 3 rollout begun last year in December 2020.
One UI 3 rollout timeline for the Galaxy S10 series was set to January 2020, however, Samsung halted pushing the update after some users complained of battery drain.
Now hardly 9 days into February the Samsung One UI 3 started to roll out in Zambia on the Galaxy S10 series and Galaxy G series.
One UI is Samsung GUI skin for Android OS and the latest design is One UI 3.0 that is designed for Android 11.

- Check the news in this article that answers the question What is Samsung One UI?
What’s New in Samsung One UI 3? A few things are new in the One UI 3 GUI. This includes the notifications which are now more organized and streamlined to follow the Android 11 cue.
New alerts have also been tweaked. Also, fast access to widgets and Always on Display has been touched.
- For a complete and full changes see One UI 3 Full Changes
As announced by Samsung here is the complete timeline and devices supported by One UI 3.0.
December 2020:
Galaxy S20
Galaxy S20+
Galaxy S20 Ultra
January 2021:
Galaxy S10
Galaxy S10+
Galaxy S10 Lite
Galaxy Note 10
Galaxy Note 10+
Galaxy Note 20
Galaxy Note 20 Ultra
Galaxy Z Flip
Galaxy Z Fold 2
February 2021:
Galaxy Fold
March 2021:
Galaxy M21
Galaxy M30s
Galaxy M31
Galaxy A51
Galaxy Note 10 Lite
Galaxy Tab S7
April 2021:
Galaxy A50
Galaxy M51
May 2021:
Galaxy A21s
Galaxy A31
Galaxy A70
Galaxy A71
Galaxy A80
Galaxy Tab S6
Galaxy Tab S6 Lite
June 2021:
Galaxy A01-Core
Galaxy A01
Galaxy A11
Galaxy M11
Galaxy Tab A
July 2021:
Galaxy A30
Galaxy Tab S5e
August 2021:
Galaxy A10
Galaxy A10s
Galaxy A20
Galaxy A20s
Galaxy A30s
Galaxy Tab A 10.1
Galaxy Tab Active Pro
September 2021:
Galaxy Tab A8 (2019)