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Launched in November 2020, Samsung Galaxy A42 5G features decent hardware functionalities including 5G connectivity. In the software department, it comes with the Android 10-based One UI 2.5 out of the box. However, the availability of this 5G handset is currently limited to only a few European countries such as Netherlands, Germany, etc.

As per the official info, the Galaxy A42 5G phones have started getting their first major Android update in the form of Android 11. Just like the current update rollout trend, this handset is also directly getting the One UI 3.1 version [A426BXXU1BUB7] by skipping the One UI 3.0. Along with this, this OTA installs the February 2021 security patch for better system protection.

Introduced alongside the Galaxy S21 flagships, Samsung One UI 3.1 equips some amazing features including Eye Comfort Shield, Object Eraser, Private Share, Samsung Free, Google Duo integration with stock dialer app, buds Auto Switching, ability to remove location data before sharing, and more. [One UI 3.1 Changelog]


However, the update also includes Google’s Android 11 operating system that brings Chat Bubbles that help you to focus on your current work, one-time permissions to apps, pin conversations, security improvements, notification history, better privacy controls, built-in screen recorder, and much more.

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Moreover, the Galaxy A42 5G owners will get a totally modified user interface which is a major offering from One UI 3.0. Apart from this, it also comes with major system improvements and a set of new features such as new visual design, improved Samsung Keyboard, and more.

Check for the latest update manually by heading to your device’s Settings, then click on Software updates, and finally hit on Download and install.

One UI 3 Upgrade (Android 11)


One UI 3 is designed to help you focus on what matters. Our visual redesign has improved the places you visit the most, like the Home screen and quick panel, to reduce distractions, highlight important information, and make your experience more consistent. Performance improvements will help apps run quicker while using less battery power. And One UI 3 puts control in your hands with new privacy controls, one-time permissions, and enhanced Digital Wellbeing.

Scroll down for a full list of changes.

Visual design


We’ve refreshed the look and feel of One UI 3 in lots of ways, big and small, from new, more consistent icons to smarter organization of the quick panel and notifications. Motion is smoother and more natural than ever, with improved animations and haptic feedback for common interactions. And the interface responds to different screen sizes to provide the best experience on any device, whether it’s a phone, foldable, or tablet.

Improved performance

We optimized One UI 3 with enhanced dynamic memory allocation, so apps run faster and perform better. We’ve also restricted background activities to provide better performance and power usage.


Better customization

• New image categories have been added to Dynamic Lock screen, and you can select up to 5 categories at once.

• On the Lock screen, you can add a widget to check your usage time.


• Get an interactive preview when setting a wallpaper.

• Add a call background to see a picture or video when you make or receive a call.

• In Samsung Internet, you can reorder and lock tabs.


• New icons and Lock screen widgets make it easier to find and control your routines.

• Use Digital Wellbeing with separate personal and work profiles.

Enhanced features


Home screen and Lock screen

• Add widgets by touching and holding an app on the Home screen.

• Turn off the screen by double tapping on an empty space on the Home or Lock screen. (Set it up in Settings > Advanced features > Motions and gestures.)


• On the Lock screen, tap the clock area to see widgets like calendar, weather, and music.

Calls and chats

• See conversations separately in the notification panel. Works with Messages and your favorite chat apps.


• Easily remove duplicate contacts stored in the same account in Contacts. The storage period for deleted contacts has been extended from 15 days to 30 days.

• Added the ability to edit multiple linked contacts from a single screen.

• Added Trash in Messages so that recently deleted messages are stored for 30 days.


Pictures and videos

• Take pictures quicker with improved auto focus and auto exposure.

• View, edit, and share pictures and videos more easily from Gallery.


• Find pictures and videos quicker with new search features and categories in Gallery.

• Revert edited pictures to their original versions at any time, even after they’re saved, so you never lose a shot.



• Settings has a new simpler look and feel. Your Samsung account is shown at the top, and Home screen settings are now easier to access.

• Find the settings you need more easily with new Search features. You’ll get better results for synonyms and common misspellings, and you can tap on tags to see groups of related settings.

• Quick settings buttons have been reduced to provide only the most commonly used features. You can also add buttons to create your own customized quick panel.


Samsung Keyboard

• Increased the number of input languages to 370.

• Made it easier to paste copied images and verification codes from text messages.


• Added emoji and sticker suggestions when you enter a text-based emoticon.

• Improved the keyboard layout to provide a larger space bar when entering web and email addresses.

• Reorganized Keyboard settings so it’s easier to access frequently used settings.



Maintain a healthy balance between work and life by minimizing repetitive and complicated tasks and handling them efficiently.

• New routines will be recommended based on your daily life and usage patterns.


• In Internet, you can hide the status and navigation bars for a more immersive experience and quickly translate webpages.

• You’ll be prompted to block websites that send too many pop-ups or notifications.

• You can browse and select cloud drive files from the file selection screen in My Files.


• You can now delete cache files in My Files to easily free up storage space.

• Events with the same start time are displayed together in the month and list views in Calendar.

Easy media and device control


Media and device control is easier with the improved media panel in notifications. You can see recently used media apps and quickly change the playback device. You can also check Android Auto settings in the Advanced features menu in Settings.

Identify and improve your digital habits

Improved Digital Wellbeing features make it easy to check how you’re using your phone or tablet and help you form good digital habits. Check your usage while driving or see weekly changes in your screen time by function at a glance through upgraded weekly reports.


Accessibility for everyone

One UI 3 recommends useful accessibility features for you based on your usage. The improved Accessibility shortcut makes accessibility features easier to start and use. You can use the Speak keyboard input aloud feature to get voice feedback of your typing even when TalkBack is turned off.

Stronger privacy protection


You can now let an app access to your microphone, camera, or location just one time. Any permissions that an app hasn’t used in a while will be automatically revoked. You can no longer give apps permission to always see your location in the regular permission popup. To let apps access your location when they’re not in use, you need to go to the location permission page for the app in Settings.


• Extract the date and address from the event title and recommend automatic registration.


• Receive notifications from SmartThings devices that also have specified schedule notifications.


• Camera function such as image quality improvement when zoomed in low light have been improved.



• Eye comfort shield function has been added.

• The color temperature of the screen automatically adjusts for the time of day.


Multi window

• By dragging pop-up view screen to the edge of the screen, it is now possible to hide the window and keep playing.

Buds Auto Switching


• Support Buds auto switching between Galaxy phone and tablet.


• Extract the date and address from the reminder memo and recommend to register automatically, and remind important information by situation.


Share Sheet

• It is now possible to protect your privacy by deleting the location information of previously taken photos before sharing or posting them on social media.

Social Platform


• Synchronize valid links created on devices with the same registered Samsung account.

• The use of social media services has been simplified. It is possible to share profiles, photos, notes, schedules, and more with friends simply by logging in to your Samsung account.

Photo Editor


• Object eraser feature has been added to Labs in Photo Editor.

• Using Erase Objects allows you to erase an object which you want in the photo.

Additional improvements


• In Clock, you can hear the time and preset name of the alarm read aloud when an alarm rings.

Some apps will need to be updated separately after the One UI 3 update.

App copies made using Dual messenger can no longer access SD card files directly. To share SD card files in an app copy, select the files in Gallery or My Files, tap Share, then select the app copy.


You can no longer use Wi-Fi Direct to send files to other devices. You can use Nearby Share instead. You can still receive files using Wi-Fi Direct.

You can no longer connect to Chromecast using Smart View. You can use Google Home instead.


James is the lead content creator on Sammy Fans and mostly works on Samsung's firmware section. His first phone was the Samsung Galaxy S4 and continue to get new S series devices. Most of the time, James tries to learn about new technologies and gadgets but he also sneaks a bit of free time to nearby rivers and nature.

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Android 11

Samsung Galaxy A21 gets Android 11 One UI 3.1 update in the US



Galaxy A21

Samsung started releasing a new major software update for the Galaxy A21 smartphone users in the US. The latest update brings the Android 11-based One UI 3.1 version with various new features. At the same time, it installs the newer security patch released in September 2021 for better system stability.

One UI 3.1 was introduced alongside the Galaxy S21 flagship lineup, which is also based on Android 11 operating system. Instead of the One UI 3.0, Samsung has provided the 3.1 version of the One UI to most of the mid-range and budget Galaxy devices along with Android 11 update.

Galaxy A21 Android 11 update – USA

  • Software version – A215USQU5BUI4
  • Security patch – September 2021
  • One UI version – One UI 3.1

Samsung’s One UI 3.1 comes with (via SamMobile) several new features as well as a truly revamped user interface. Along with the entire system software, the One UI 3.1 also refreshes most of the native applications including Samsung Keyboard, Samsung Internet, Samsung Gallery, Samsung Calendar and more.

Galaxy A21

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To be mentioned, the September 2021 security patch brings better system stability as it fixes a number of CVEs and SVEs from Google and Samsung. However, the update is currently rolling out in batches, it will reach every Galaxy A21 unit in the coming days.

If you want to check for the latest update manually, head to your device Settings tap on Software updates and finally hit the Download and install button.

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Android 11

Samsung Android 11 One UI 3.1: Official Release Date and Eligible Devices [Roadmap]



Back in December 2020, Samsung has officially launched the third generation of its custom skin – One UI 3.0, which is based on Google’s Android 11 operating system. Starting with the latest flagship smartphones, the company has impressively managed to send this major update to a number of Galaxy phones and tablets including mid-range and budgets.

Samsung One UI 3.0/Android 11 rollout roadmap:

Device Release Date
Galaxy S20 December-2020
Galaxy S20+ December-2020
Galaxy S20 Ultra December-2020
Galaxy S20 5G December-2020
Galaxy S20+ 5G December-2020
Galaxy S20 Ultra 5G December-2020
Galaxy Note 20 January-2021
Galaxy Note 20 Ultra January-2021
Galaxy Note 20 5G January-2021
Galaxy Note 20 Ultra 5G January-2021
Galaxy Z Fold 2 January-2021
Galaxy Z Fold 2 5G January-2021
Galaxy Z Flip January-2021
Galaxy Z Flip 5G January-2021
Galaxy Note 10 January-2021
Galaxy Note 10+ January-2021
Galaxy Note 10+ 5G January-2021
Galaxy S10e January-2021
Galaxy S10 January-2021
Galaxy S10+ January-2021
Galaxy S10 5G January-2021
Galaxy Note 10 Lite March-2021
Galaxy S10 Lite January-2021
Galaxy S20 FE January-2021
Galaxy S20 FE 5G January-2021
Galaxy Fold January-2021
Galaxy Fold 5G February-2021
Galaxy Tab S7 April-2021
Galaxy Tab S7 5G April-2021
Galaxy Tab S7+ April-2021
Galaxy Tab S7+ 5G April-2021
Samsung Galaxy A-series
Galaxy A01/A01 Core June-2021
Galaxy A10 August-2021
Galaxy A10e August-2021 (Expected)
Galaxy A10s August-2021
Galaxy A11 June-2021
Galaxy A20 August-2021
Galaxy A20e August-2021 (Expected)
Galaxy A20s August-2021
Galaxy A21 May-2021 (Expected)
Galaxy A21s May-2021
Galaxy A30 July-2021
Galaxy A30s August-2021
Galaxy A31 May-2021
Galaxy A40 April-June 2021 (Expected)
Galaxy A41 April-June 2021 (Expected)
Galaxy A42 5G April-June 2021 (Expected)
Galaxy A50 April-2021
Galaxy A50s April-2021 (Expected)
Galaxy A51 March-2021
Galaxy A51 5G March-2021
Galaxy A51 5G UW March-2021 (Expected)
Galaxy A60 April-June 2021 (Expected)
Galaxy A70 May-2021
Galaxy A70s May-2021
Galaxy A71 May-2021
Galaxy A71 5G May-2021
Galaxy A71 5G UW May-2021 (Expected)
Galaxy A80 May-2021
Galaxy A8s April-June 2021 (Expected)
Galaxy A90 5G April-June 2021 (Expected)
Galaxy A Quantum April-June 2021 (Expected)
Samsung Galaxy M-series
Galaxy M01 June-2021
Galaxy M01s June-2021 (Expected)
Galaxy M11 June-2021
Galaxy M21 March-2021
Galaxy M21s Match-2021 (Expected)
Galaxy M30s March-2021
Galaxy M31 March-2021
Galaxy M31s May-2021
Galaxy M31 Prime March-2021 (Expected)
Galaxy M40 June-2021
Galaxy M51 April-2021
Samsung Galaxy F-series
Galaxy F41 July-2021 (Expected)
Other eligible devices
Galaxy Tab Active 3 Later next year (Expected)
Galaxy Tab A7 10.4 2020 Later next year (Expected)
Galaxy Tab S5e July-2021
Galaxy Tab S6 May-2021
Galaxy Tab S6 5G May-2021
Galaxy Tab S6 Lite May-2021
Galaxy Tab A 10.1 2019 August-2021
Galaxy Tab A 8.0 2019 August-2021
Galaxy Tab Active Pro August-2021
Galaxy Xcover 4s Later next year (Unknown)
Galaxy Xcover Pro Later next year (Expected)

* Update schedule and eligible models could be changed if the company encounters any issues through ongoing review.


  1. Update schedule could be changed
  2. Eligible models could be changed
  3. The update may also be halted for a while
  4. The update may also be suspended after the official update

Eligible devices for One UI 3.0/Android 11:

  • Samsung Galaxy S20
  • Samsung Galaxy S20+
  • Samsung Galaxy S20 Ultra
  • Samsung Galaxy Note 20
  • Samsung Galaxy Note 20 Ultra
  • Samsung Galaxy Z Fold 2
  • Samsung Galaxy Z Fold 2 5G
  • Samsung Galaxy Z Flip
  • Samsung Galaxy Z Flip 5G
  • Samsung Galaxy Note 10
  • Samsung Galaxy Note 10+
  • Samsung Galaxy Note 10+ 5G
  • Samsung Galaxy S10e
  • Samsung Galaxy S10
  • Samsung Galaxy S10+
  • Samsung Galaxy S10 5G
  • Samsung Galaxy Note 10 Lite
  • Samsung Galaxy S10 Lite
  • Samsung Galaxy S20 FE
  • Samsung Galaxy S20 FE 5G
  • Samsung Galaxy Fold
  • Samsung Galaxy Fold 5G
  • Samsung Galaxy Tab S7/ S7+
  • Samsung Galaxy Tab S7 5G/S7+ 5G
  • Samsung Galaxy A90 5G
  • Samsung Galaxy A80
  • Samsung Galaxy A71/A71 5G/A71 5G UW
  • Samsung Galaxy A70s
  • Samsung Galaxy A70
  • Samsung Galaxy A60
  • Samsung Galaxy A51/A51 5G/A51 UW
  • Samsung Galaxy A50/A50s
  • Samsung Galaxy A42 5G
  • Samsung Galaxy A41
  • Samsung Galaxy A40
  • Samsung Galaxy A31
  • Samsung Galaxy A30s
  • Samsung Galaxy A30
  • Samsung Galaxy A21s
  • Samsung Galaxy A21
  • Samsung Galaxy A20/A20s
  • Samsung Galaxy A11
  • Samsung Galaxy A10/A10s
  • Samsung Galaxy A01/A01 Core
  • Samsung Galaxy M51
  • Samsung Galaxy M40
  • Samsung Galaxy M31/M31s/M31 Prime
  • Samsung Galaxy M21/M21s
  • Samsung Galaxy M11
  • Samsung Galaxy F41
  • Samsung Galaxy Tab S6/S6 5G/S6 Lite
  • Samsung Galaxy Tab S5e
  • Samsung Galaxy Tab A 10.1 2019
  • Samsung Galaxy Tab Active Pro

We will regularly update this article if there are any schedule or model list changes.




  • Switch, back and forth between your music and videos.
  • Enhanced notification panel, more information at a glance even when the phone is locked.
  • Easily check messages from multiple apps in one place.


  • Plenty of high-quality images in 10 different categories
  • Refresh your lock screen with another image each time your phone is unlocked

Now also available for Galaxy Tab devices.


  • Easily personalize your device in more than one way to suit your preference.
  • With Wonderland, create your own moving wallpaper.
  • With Pentastic, customize your S Pen Air commands, pointer, and sound settings.


  • Split your screen in half or three to make multitasking perfectly open.
  • Open multiple apps and place them in a position and size that seems appropriate



  • Thanks to the foldable phone with two screens.
  • Not only the photographer, but the object can also see the preview.
  • Adjust your posture while checking out how to take photos.


  • Enjoy communicating with your friends and colleagues.
  • Supports fullscreen video calls with One UI 3.
  • Make video calls more enjoyable with AR emoji masks.


  • An enjoyable experience secured by a multi-layered Knox security platform.
  • Knox protects your personal data.
  • With Smart Switch, transfer your data from your old device to your new Galaxy when you switch easily and securely.

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Android 11

[List] Samsung Android 11: Galaxy devices received One UI 3.1 update



The One UI 3! The third major generation of Samsung’s self-developed user interfaces based on the Android 11 operating system. Since its initial release on December 2nd, 2020 for the Galaxy S20 series, this version is already reached millions of units of various Galaxy phones and tablets.

Aside from the One UI 3.0, the company is also impressively expanding the availability of the 3.1 version of One UI which was come alongside the Galaxy S21 flagships.

However, a group of mid-range and budget smartphones are still waiting to get the taste of the Android 11 with One UI 3 update. Meanwhile, Samsung will continuously deliver this major software over the air to several devices until the second half of this year.


As you know, the Korean phone maker releases every single firmware update in various phases that’s why any new software update takes some time to reach every single model in different regions and countries.

In this article, we’ll add every Samsung Galaxy smartphone and tablet that has received the Android 11 based One UI 3.0 or One UI 3.1 update.

Samsung devices received Android 11 One UI 3.1 update:

  1. Galaxy S21
  2. Galaxy S21+
  3. Galaxy S21 Ultra
  4. Galaxy Note 20
  5. Galaxy Note 20 5G
  6. Galaxy Note 20 Ultra
  7. Galaxy Note 20 Ultra 5G
  8. Galaxy Z Fold 2
  9. Galaxy Z Fold 2 5G
  10. Galaxy Z Flip
  11. Galaxy Z Flip 5G
  12. Galaxy S20 FE
  13. Galaxy S20 FE 5G
  14. Galaxy S20
  15. Galaxy S20 5G
  16. Galaxy S20+
  17. Galaxy S20+ 5G
  18. Galaxy S20 Ultra
  19. Galaxy S20 Ultra 5G
  20. Galaxy Fold
  21. Galaxy Fold 5G
  22. Galaxy Note 10+
  23. Galaxy Note 10+ 5G
  24. Galaxy Note 10
  25. Galaxy Note 10 5G
  26. Galaxy S10 5G
  27. Galaxy S10+
  28. Galaxy S10
  29. Galaxy S10e
  30. Galaxy Tab S7
  31. Galaxy Tab S7+
  32. Galaxy Note 10 Lite
  33. Galaxy S10 Lite
  34. Galaxy Tab S6 Wi-Fi
  35. Galaxy Tab S6 Lite
  36. Galaxy A71 5G
  37. Galaxy A71
  38. Galaxy M31s
  39. Galaxy A50s
  40. Galaxy A50
  41. Galaxy M51
  42. Galaxy A51 [4G | 5G]
  43. Galaxy M31
  44. Galaxy F41
  45. Galaxy M30s
  46. Galaxy A70
  47. Galaxy M21
  48. Galaxy XCover Pro
  49. Galaxy Tab S5e
  50. Galaxy A31
  51. Galaxy Tab Active 3
  52. Galaxy M40
  53. Galaxy A01
  54. Galaxy A41
  55. Galaxy M01
  56. Galaxy Tab A7
  57. Galaxy M11
  58. Galaxy M02s
  59. Galaxy F02s
  60. Galaxy A02s
  61. Galaxy A11
  62. Galaxy Tab S6 | Verizon | T-Mobile/Sprint
  63. Galaxy A12
  64. Galaxy A30
  65. Galaxy W20 5G (China)
  66. Galaxy A40s (China)
  67. Galaxy Tab A with S Pen
  68. Galaxy A20e
  69. Galaxy A30s
  70. Galaxy A20
  71. Galaxy Jean 2
  72. Galaxy Tab A 8.0 (2019)
  73. Galaxy M10s
  74. Galaxy XCover 4s
  75. Galaxy A11
  76. Galaxy A01
  77. Galaxy Tab A 8.4 (2020)
  78. Galaxy Tab A 10.1 (2019)
  79. Galaxy A10s
  80. Galaxy A20s
  81. Galaxy M01s
  82. Galaxy A10e
  83. Galaxy A20 [USA]
  84. Galaxy A10
  85. Galaxy A02 | A022GDXU2BUI3 | Russia | September 2021 Patch

Updated on September 30, 2021

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