Here's when Samsung will stop Galaxy S21 series updates - Android/One UI and patches - Sammy Fans

Samsung’s Galaxy S21 series was launched in the first quarter of 2021. During the launch, the devices were eligible for three Android/One UI updates and four years of security patches. Later, the company extended the support by one year, applicable on both OS and patches. According to Samsung commitment, the Galaxy S21, Galaxy S21 Plus, […]

Samsung Galaxy S21 Series & S21FE Update Info: One UI & Latest Security Patch [Jan 26, 2023]

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Updated] Samsung Galaxy S21 gets stable One UI 4.0 update based on Android 12 - Sammy Fans

Samsung Galaxy devices will now receive security updates for four years : r/ samsung

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Samsung fans running 'Update For All' movement : r/samsung

The new OneUI 3.0 patch extended my SOT of S10 plus to nearly 7hrs, despite heavy gaming and Netflix binging. For comparison, the SOT with same usage from the original 3.0 update was ~3hrs. : r/galaxys10

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Samsung One UI 3.1 update brings select powerful features from the Galaxy S21 to the Galaxy S20, Galaxy Note20 and Galaxy Z series : r/Android

Samsung begins Android 13/One UI 5.0 rollout for Galaxy A13 5G in Europe : r/samsung