Samsung Galaxy S9 and S9+ One UI 2.1 update starts rolling out - SamMobile
Samsung rep hints at One UI 2.1 for Galaxy S9 being on the cards, again - SamMobile
Download Samsung S20's One UI 2.1 ROM port for Galaxy S9, S9+ and Note 9
Samsung Galaxy S20 features and One UI 2.1 ported to Galaxy S9 and Note9 - Neowin
Samsung Galaxy S9 Series Gets One UI 2.1 Update With June 2020 Security Patch | Technology News
Samsung Galaxy S9, Galaxy S9+ Getting New Camera Features, DeX Support With One UI 2.5 Update
T-Mobile Galaxy S9 update brings One UI 2.1, Note 10 also updated - TmoNews
Samsung Galaxy Note 9 & S9 Plus get MASSIVE ONE UI 2.1 Update - All New Features! - YouTube
Samsung One UI 2.1 Update Devices: Note 9, Galaxy S9, More - SlashGear
Tech Mi News - Samsung Galaxy S9 and S9+ start receiving their One UI 2.1 update, The latest June 2020 security patch is included as well. What you need to know Samsung
Samsung Galaxy S9 and S9 Plus started receiving One UI 2.1 update
One UI 2.1 for Samsung Galaxy S9, Galaxy S9+ now available - Android Community
This is the Galaxy S9 One UI 2.1 firmware being tested by Samsung - SamMobile
Samsung begins rolling out One UI 2.1 update to the Galaxy S9 series - Neowin
Galaxy S9 and Note 9 will receive One UI 2.1 update - Gizchina.com