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New Information - Spotted running Android 12] Samsung starts Android 12 (One UI 4.0) development for the Galaxy S21 series - RPRNA
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Android 12 update for the US Galaxy S21 models brings refresh rate bug, Samsung working on a fix - PhoneArena
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 announces One UI 4.0 beta (based on Android 12), Galaxy S21 trio is getting it first - GSMArena.com news
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