Here's when One UI 3.1.1 is arriving on the Galaxy S21 series! - SamMobile
Samsung Tab A 10.1 Android 11 One UI 3.1 update initial impressions - YouTube
How to downgrade from one ui 4.1 to 3.1 - Samsung Members
Everything about One UI version 3.1 - SamMobile
Samsung monthly updates: Vulnerabilities fixed in June 2021 security patch detailed - SamMobile
Android 11 one ui 3.1 - Samsung Members
One UI 3.1 Android 11 Update on Samsung Galaxy Z Fold2 5G | Review | New Features From S21 Series - YouTube
This is Noble rom, an android 11 custom rom for the Galaxy Note 9 and S9 by AlexisXDA on XDA. Although it is said to have some bugs, i have not encountered
Have a s21 ultra and im still on android 11 - does anyone have any ideas why its not updating or what I need to do? - Samsung Community
Right to Repair: how a community of users defeated Samsung planned obsolescence
Samsung One UI vs One UI Core: What's the Difference
Top Samsung One UI 3.0 and Android 11 features - Neowin
One UI 3.1 vs One UI 3.0: Here are the new features that Samsung added
Samsung ONE UI 3.1 is HERE - 20+ New Features and Changes! - YouTube
Released One UI core 3.1 ( Android 11) update - Samsung Members
Android 11 build RP1A.012 - BetaWiki
Samsung's One UI 3 with Android 11 shown off in screenshots | News.Wirefly
Samsung One UI Home - Apps on Google Play
Samsung One UI 3.0 & 3.1 (Android 11): Everything you need to know | Android Central