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.

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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.

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:

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

Note:

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.

Features

QUICK PANEL

• 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.

DYNAMIC LOCK SCREEN

• 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.

GOOD LOCK

• 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.

DO MULTIPLE TASKS ON THE SAME SCREEN

• 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

NEW WAYS TO TAKE YOUR BEST SHOT

DOUBLE PREVIEW

• 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.

A MORE ENJOYABLE WAY TO COMMUNICATE

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

ENJOY THE BEST ANDROID EXPERIENCE ON YOUR GALAXY

• 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.

Samsung One UI 3.1 is set to launch alongside the next S-series flagship, Samsung Galaxy S21 early next year. This upcoming version of One UI, likely to bring substantial improvements over One UI 3.0 based on Android 11.

According to the previous rollouts, following the introduction with Galaxy S21, this step-up version of One UI will expand to devices including – Galaxy S20, Note 20 series, and more.

There’s a lot more to know and to discuss on the subject of One UI 3.1 and in this article, we’ll keep a track of all of the news regarding its eligible devices, features, and released date.

Related:

• Samsung One UI 4.0: Latest News, Eligible Devices, Features and Release Date
• Samsung One UI 3.5: Latest News, Eligible Devices, Features and Release Date

One UI 3.1: Eligible Devices:

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 at Verizon
63. Galaxy A12
64. Galaxy A30
65. Galaxy W20 5G (China)
66. Galaxy W20 5G (China)
67. Galaxy A40s (China)
68. Galaxy Tab A with S Pen
69. Galaxy A20e
70. Galaxy A30s
71. Galaxy A20
72. Galaxy Jean 2
73. Galaxy M10s
74. Galaxy Tab A 10.1
75. Galaxy Tab A 8.0 (2019)
76. Galaxy M10s
77. Galaxy XCover 4s
78. Galaxy A11
79. Galaxy A01
80. Galaxy Tab A 8.4 (2020)
81. Galaxy Tab A 10.1 (2019)
82. Galaxy A10s
83. Galaxy A20s
84. Galaxy M01s
85. Galaxy A10e
86. Galaxy A10
87. Galaxy A02

Note: This list is based on previous rollout schedules, devices’ update cycles, and not officially announced.

One UI 3.1: Release Date

Samsung has officially launched the Galaxy S21 series smartphones on January 14, 2021. These devices come pre-installed with the Android 11-based One UI 3.1 version.

On February 18, 2021, the company announced that it is bringing the One UI 3.1 update for the Galaxy S20 and Note 20 flagships from now. The remaining eligible devices will get the One UI 3.1 features in the coming days.

Latest News:

[October 01, 2021]

Samsung Galaxy A02 gets Android 11-based One UI 3.1 update, September 2021 patch

[August 14, 2021]

Galaxy A10 gets Android 11 One UI 3.1 update as Samsung prepares for Android 12

[July 20, 2021]

Samsung released Android 11 and One UI 3.1 update for Galaxy A10e

[July 19, 2021]

Samsung Galaxy M01s started getting Android 11 One UI 3.1 update in India

[July 17, 2021]

Samsung Galaxy A10s gets Android 11 (One UI 3.1) update, July 2021 security patch

[July 15, 2021]

Samsung Galaxy A20s gets Android 11 (One UI 3.1) update, June 2021 security patch

[July 09, 2021]

Samsung Galaxy A10s gets Android 11 (One UI 3.1) update, July 2021 security patch

[July 07, 2021]

Samsung Galaxy A20s gets Android 11 (One UI 3.1) update, June 2021 security patch

[July 05, 2021]

Samsung rolling out Android 11-based One UI 3.1 update for Galaxy Tab A 10.1 (2019)

[July 03, 2021]

Samsung Galaxy Tab A (8.4-inch) finally receives Android 11 One UI 3.1 update [Verizon/AT&T]

[June 30, 2021]

Samsung releases Android 11 One UI 3.1 update for Galaxy Tab A 8.0 (2019)

[June 29, 2021]

Samsung releases Android 11 One UI 3.1 update for Galaxy Tab A 8.0 (2019)

[June 28, 2021]

Samsung Galaxy M10s gets Android 11-based One UI 3.1 update in India

[May 30, 2021]

Samsung Galaxy A30 Android 11 One UI 3.1 update has arrived!

[May 14, 2021]

Samsung Galaxy A11 gets One UI 3.1 and Android 11 update with various new features

[April 24, 2021]

Breaking: Samsung’s entry-level Galaxy A01 gets Android 11-based One UI 3.1 update

[April 23, 2021]

Samsung Galaxy M40 now receiving Android 11-based One UI 3.1 update in India

[April 20, 2021]

Samsung Galaxy Tab Active 3 started receiving the Android 11-based One UI 3.1 update. This release brings several new features as well as a redesigned user interface.

[April 19, 2021]

Samsung Galaxy A31 getting Android 11-based One UI 3.1 update alongside April 2021 security patch

[April 17, 2021]

Android 11-based One UI 3.1 update now rolling out for Samsung Galaxy A60 smartphones

[April 09, 2021]

Verizon Samsung Galaxy A51 gets Android 11 One UI 3.0 update with various new features

[March 31, 2021]

Samsung Galaxy M21 One UI 3.1 update rolling out with March 2021 security patch

[March 31, 2021]

Samsung Galaxy S10 users receiving Android 11-based One UI 3.1 update in Canada

[March 30, 2021]

Samsung Galaxy A51 getting One UI 3.1 along with April 2021 security update

[March 27, 2021]

Samsung Galaxy A7, A8, and A8+ 2018 users can get One UI 3.1 with Android 11 manually

[March 26, 2021]

Samsung releases One UI 3.1 update to the Galaxy Note 10 series in China with various new features

[March 26, 2021]

Verizon rolling out One UI 3.1 update for Samsung Galaxy S10 5G

[March 25, 2021]

• Samsung Galaxy A70s gets Android 11-based One UI 3.1 update in India
• It’s now Samsung Galaxy A90’s turn to get One UI 3.1/Android 11 update

[March 24, 2021]

Samsung Galaxy S20 FE gets One UI 3.1 update in Canada

[March 23, 2021]

• Samsung Galaxy Note 10 starts getting One UI 3.1 update in Canada
• Samsung Galaxy S10 lineup will start getting One UI 3.1 update in Canada next week
• Samsung rolling out Android 11-based One UI 3.1 update for Galaxy A40

[March 22, 2021]

T-Mobile rolling out Samsung One UI 3.1 update for Galaxy S20 FE

Samsung Galaxy A80 gets Android 11-based One UI 3.1 with March 2021 security update

[March 21, 2021]

T-Mobile Samsung Galaxy S20 One UI 3.1 update rollout begins!

[March 20, 2021]

Verizon releases Samsung One UI 3.1 update for the Galaxy A71 5G UW

[March 18, 2021]

AT&T rolling out One UI 3.1 update to Samsung Galaxy S10 and Note 10 series

[March 17, 2021]

• Android 11-based One UI 3.1 update rolling out for Samsung Galaxy A70
• Verizon Samsung Galaxy S10 One UI 3.1 update rollout begins!
• Verizon Samsung Galaxy Note 10 gets One UI 3.1 and March 2021 security update

[March 16, 2021]

Samsung One UI 3.1 Game Booster brings gaming experience to Galaxy users

[March 14, 2021]

• Samsung Galaxy A42 5G One UI 3.1 Android 11 update rollout begins [Changelog]
• Samsung Galaxy M31 gets One UI 3.1 along with March 2021 security update

[March 13, 2021]

Samsung Galaxy S20 FE getting One UI 3.1 update in the US

[March 12, 2021]

Samsung Galaxy Note 9 users can now get Android 11-based One UI 3.1 [Download Link]

[March 11, 2021]

Galaxy Tab S6 Lite gets Samsung DeX support with One UI 3.1

[March 10, 2021]

Samsung Galaxy M31s One UI 3.1 update rollout begins in India

[March 08, 2021]

Android 11-based One UI 3.1 update now rolling out for Samsung Galaxy A50

[March 06, 2021]

Samsung Galaxy M51 One UI 3.1 Android 11 firmware update rolling out now

[March 05, 2021]

• Samsung Galaxy S10 Lite One UI 3.1 update rollout begins
• Samsung Galaxy A71 gets One UI 3.1 update along with Android 11 via OTA

[March 04, 2021]

Samsung Galaxy Tab S6 Lite Android 11 firmware update just went public

[March 03, 2021]

Samsung Galaxy Tab S6 One UI 3.1 Android 11 update is rolling out now!

[March 01, 2021]

Samsung Galaxy Note 10 Lite gets One UI 3.1 update via OTA

[FEBRUARY 24, 2021]

Here’s everything new with One UI 3.1 update for Samsung Galaxy S20 and Note 20 phones [Changelog]

[FEBRUARY 19, 2021]

Samsung Galaxy S20 FE again starts getting One UI 3.1 firmware update

One UI 3.1 update rolling out for Samsung Galaxy Z Fold 2 and Galaxy Z Flip

[FEBRUARY 18, 2021]

• One UI 3.1 update offers select powerful features from Galaxy S21 to older flagships
• Samsung Galaxy Note 20 One UI 3.1 update brings new smart camera features and more
• Samsung Galaxy S20 One UI 3.1 update rolling out with powerful features of Galaxy S21
• Samsung One UI 3.1 for Galaxy S20, Galaxy Note 20, Galaxy S10, Galaxy Note 10, Galaxy A71/A51, and more will release from now!

[FEBRUARY 16, 2021]

Android 11-based One UI 3.1 update rolling out for Samsung Galaxy Tab S7 5G [AT&T]

December 2, 2020:

One UI 3.1 will brings new software improvements for Samsung smartphones. Read more.

December 3, 2020:

It’s confirmed that One UI 3.1 will come with clipboard syncing among different Samsung devices. Read more.