Samsung Galaxy S21 series is receiving May 2022 Android security patch - GSMArena.com news
The Samsung Galaxy S21, Galaxy S21+ and Galaxy S21 Ultra receive camera improvements with their latest updates - NotebookCheck.net News
Samsung Galaxy S21 Ultra is already receiving the November security update - GSMArena.com news
Samsung rolls out a 1.1 GB update to the Galaxy S21 Ultra 5G - NotebookCheck.net News
Latest S21 series software update (BUKG) - Samsung Community
Samsung Galaxy S21 FE gets new features with April update | gagadget.com
Samsung January 2023 update now live for the Galaxy S21 series : r/GalaxyS21
Samsung Galaxy S21, S21+, S21 Ultra 5G colour options | Samsung SG
Samsung July 2022 update rolling out to Galaxy phones - 9to5Google
Galaxy S21 review: admitting mistakes and atoning - 9to5Google
Samsung's next update will make your Galaxy phone feel a little more like an iPhone - CNET
Update Makes Galaxy S21 Series Screen Problems, Users Protest!
BREAKING: Samsung Galaxy S21 FE Finally Gets ONE UI 5 (Android 13) OTA Update : r/GalaxyS21
Samsung Galaxy S21 Series is Getting Big Camera Boost With New System Update in India - News18
Samsung Galaxy S21, S21+, S21 Ultra 5G colour options | Samsung SG
 "Samsung Galaxy S21 Series' New Update Brings May 2021 Security Patch, Improved Camera Performance - News18")
Samsung Galaxy S21 Series' New Update Brings May 2021 Security Patch, Improved Camera Performance - News18
Samsung Galaxy S21 FE to Get Android 13 Based One UI 5 Update Soon
Samsung Galaxy S21 series gets July 2023 security update - SamMobile
Samsung Galaxy S21 series gets second May 2023 update - RPRNA
Seamless updates” is a great Android feature that the Samsung Galaxy S21 Ultra still doesn't have - GSMArena.com news
A new update is now rolling out for the Samsung Galaxy S21 series - SamMobile
These Samsung phones may get Android 13-based One UI 5.0 stable update this year
Samsung Galaxy S21 Lineup Quickly Avails July 2023 Security Update - WhatMobile news
Samsung Galaxy S21 Android 13/One UI 5.0 final testing underway, expect Stable update next week - Sammy Fans
One UI 5 update made my Galaxy S21 FE AWESOME, thanks Samsung! - Sammy Fans
