Galaxy S21 FE is the first Samsung phone to run One UI 4.0 out of the box - SamMobile

With the Galaxy S21 FE launching with Android 12 and One UI 4.0, the device will get an extra major OS upgrade over the other Galaxy S21 smartphones. - SamMobile

One UI 4.0 Beta 2 rolls out to the Samsung Galaxy S21, Galaxy S21

Samsung Galaxy S21 series Android 14 One UI 6.0 update tracker

Samsung's Galaxy S21 FE Could Launch with Android 12

Samsung Galaxy S21 FE set to launch with Android 12, and will get

Galaxy S21 FE is finally official! Here's what we've all been

Samsung S21 FE 5G : OneUI 6.0 Android 14 Stable Update Is Here

Samsung Galaxy S21 Review: The Smartphone For Everyone

BREAKING: Galaxy S21 series One UI 4.0 update now rolling out

Samsung Galaxy S21 - Wikipedia