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One UI 4.0 Update Status: Samsung rolling out stable Android 12 to latest Galaxy flagships in these regions - Sammy Fans
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Samsung's stable Android 12-based One UI 4.0 update is here for the Galaxy S21 5G series - PhoneArena
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Samsung's stable Android 12-based One UI 4.0 update is here for the Galaxy S21 5G series - PhoneArena
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One UI 4 beta (based on Android 12) will start testing on the Galaxy S21 series in September - GSMArena.com news
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