Galaxy S21 FE is the first Samsung phone to run One UI 4.0 out of the box - SamMobile
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With the Galaxy S21 FE launching with Android 12 and One UI 4.0, the device will get an extra major OS upgrade over the other Galaxy S21 smartphones. - SamMobile
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Samsung One UI 6.1 Skin: Release Date, New Features, Compatible
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Samsung Galaxy S21 FE set to launch with Android 12, and will get
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Exclusive: Galaxy S21 Android 12 One UI 4.0 update hints at early
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Android 16 : r/GalaxyS21FE
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Galaxy S21 FE inches closer to launch, key specs get confirmed
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Would You Consider The Galaxy Z Fold 6's Affordable Version? There
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Galaxy S21 FE in the US has been upgraded to One UI 6.0 (Android 14)
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Everything we know about the Samsung Galaxy S23 FE
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Galaxy devices that will be eligible for the One UI 4.0 (Android
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Galaxy S21 FE is the first Samsung phone to run One UI 4.0 out of
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Galaxy S23 FE review: Samsung's most value-packed 2023 phone : r