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Samsung Galaxy S21 series gets One UI 3.1.1 update with bedtime mode, new weather app and more | Mobile News
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Samsung resumes One UI 4 rollout for Galaxy S21, Flip3 and Fold3 after fixing bugs - The Economic Times
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Android 12 update for the US Galaxy S21 models brings refresh rate bug, Samsung working on a fix - PhoneArena
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Samsung Galaxy S21 Ultra Battery Drain Bug Discovered! Possible Fixes and Battery Saving Tips | iTech Post
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Samsung is working on a fix for the 120Hz bug on Galaxy S21 units after the One UI 4 update - GSMArena.com news
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Samsung Says A Galaxy S21 120Hz Display Bug Is Affecting Many Users And Promises A Fix | HotHardware
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Samsung is working on a fix for the 120Hz bug on Galaxy S21 units after the One UI 4 update - GSMArena.com news
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