![Samsung's stable Android 12-based One UI 4.0 update is here for the Galaxy S21 5G series - PhoneArena Samsung's stable Android 12-based One UI 4.0 update is here for the Galaxy S21 5G series - PhoneArena](https://m-cdn.phonearena.com/images/article/136430-wide-two_1200/Samsungs-stable-Android-12-based-One-UI-4.0-update-is-here-for-the-Galaxy-S21-5G-series.jpg)
Samsung's stable Android 12-based One UI 4.0 update is here for the Galaxy S21 5G series - PhoneArena
![Android 12 update for the US Galaxy S21 models brings refresh rate bug, Samsung working on a fix - PhoneArena Android 12 update for the US Galaxy S21 models brings refresh rate bug, Samsung working on a fix - PhoneArena](https://m-cdn.phonearena.com/images/article/136609-wide-two_1200/Android-12-update-for-the-US-Galaxy-S21-models-brings-refresh-rate-bug-Samsung-working-on-a-fix.jpg)
Android 12 update for the US Galaxy S21 models brings refresh rate bug, Samsung working on a fix - PhoneArena
![Samsung Galaxy S21 Ultra 5G Android 12 Beta Rollout Could be Right Around the Corner, Geekbench Listing Reveals - MySmartPrice Samsung Galaxy S21 Ultra 5G Android 12 Beta Rollout Could be Right Around the Corner, Geekbench Listing Reveals - MySmartPrice](https://assets.mspimages.in/wp-content/uploads/2021/08/Samsung-Galaxy-S21-Ultra-5G.jpg)
Samsung Galaxy S21 Ultra 5G Android 12 Beta Rollout Could be Right Around the Corner, Geekbench Listing Reveals - MySmartPrice
![Here's how to download Android 12 beta update on Samsung Galaxy S21-series smartphones | Business Insider India Here's how to download Android 12 beta update on Samsung Galaxy S21-series smartphones | Business Insider India](https://www.businessinsider.in/photo/86254446/how-to-download-android-12-beta-update-on-samsung-galaxy-s21-series-smartphones.jpg?imgsize=28500)