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Samsung starts to roll out the October 2021 security update for Galaxy S21, Note 20, Z Fold 3 and many more Galaxy smartphones - NotebookCheck.net News
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My S21 Ultra got a green line on the display after the January update, there is no damage at all on the device : r/S21Ultra
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Samsung Galaxy S21 Series Gets November 2022 Android Security Update After Android 13 Rollout: Report | Technology News
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Seamless updates” is a great Android feature that the Samsung Galaxy S21 Ultra still doesn't have - GSMArena.com news
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Android 14 in Europa per Xiaomi 13 e 13 Pro, ma si aggiornano anche Samsung Galaxy S23, S21, Z Flip3 e OnePlus Nord 3
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Stable One UI 5 Update Available For Samsung Galaxy S21, S21+, and S21 Ultra [Download Full Stock Firmware]
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