Update: T-Mobile S9/S9+] One UI 2.1 now rolling out for the Samsung Galaxy Note 9
Samsung Galaxy S: Official, Android 2.1, and 4-Inch Super AMOLED - Android Community
Everything about One UI version 2.1 - SamMobile
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Download and install One UI 2.1 for Galaxy Note 9
One UI 2.1 update for Samsung Galaxy A51 now rolling out - NotebookCheck.net News
Samsung brings some of the Galaxy S20 magic to the Galaxy S10 and Note 10 series with One UI 2.1 - PhoneArena
HTC Desire vs. Samsung Galaxy S - CNET
Samsung Galaxy Spica grows up to Android 2.1 | Engadget
Amazon.com: USB Type C Block 2.1A Wall Plug Android Cord 3FT C Charger Cable Fast Charging for Samsung Galaxy Z Flip4 Flip3 5G S22 Ultra S21 S20 FE A13 A53 A73 A72
Samsung Galaxy Tab A 10.1 (2019) gets One UI 2.1 (Android 10)