One UI

[Beta 4 rolling out] One UI 4.0 (Android 12) Beta program is now live for the Galaxy Note 20 series

Update 5, December 15 (10:10 ET) ― One UI 4.0 Beta 4

Galaxy Note 20 One UI 4.0 Beta 4

According to Sammy Fans, Samsung Galaxy Note 20 is now getting the One UI 4.0 Beta 4 update, it solves the error that disappears the bubble icon while minimizing the KakaoTalk app’s window alongside fixes for booting into safe mode or entering recovery mode.


Update 4, December 03 (02:38 ET) ― One UI 4.0 Beta 3

One UI 4.0 Beta 3

According to Sammy Fans, the Galaxy Note 20 devices are getting the Android 12-based One UI 4.0 beta 3 builds in Korea with software version ending – ZUL1. It includes fixes for several bugs and issues for a better user experience. It also fixes the abnormal behavior while unlocking some apps through a fingerprint scanner.

  • Bugs that have been fixed
    • Fixed the issue of Fingerprint authentication in some apps
    • Fixed the issues that are no effective when choosing the items of Quick panel
    • Fixed data display errors about a volume monitor
    • Fixed the dimming issue about the brightness of the screen after rebooting
    • Fixed the issue of resets when the lockscreen is not resolved quickly
    • Fixed crashes on Galaxy Watch 4
    • Fixed the issue that battery runs out quickly
    • Improved disconnected operations about USB connection with Windows PC
    • Fixed minor issues


Update 3, November 23 (13:41 ET) ― One UI 4.0 Beta 2

One UI 4.0 Beta 2

Samsung Galaxy Note 20 One UI 4 Beta 2 is now rolling out. It comes with fixes for a lot of issues and errors for a better user experience. The software version is ZUKA.


Update 2, November 18 (11:56 ET) ― In the US

One UI 4.0 Beta in the US

Samsung has now started the Android 12-based One UI 4.0 beta program for the Galaxy Note 20 and Galaxy S20 series users in the US.

Samsung has also announced the stable Android 12 rollout timeline. According to the timeline, both the Galaxy Note 20/Note 20 Ultra and the Galaxy S20+/S20 Ultra are scheduled to be updated in January 2022, while the standard Galaxy S20 will get the update in February 2022.


Update 1, November 11 (01:33 ET) ― In India

One UI 4.0 Beta in India

The Galaxy Note 20 series users in India can now enjoy the Android 12 beta taste with the One UI 4.0 beta build. The Galaxy Note 20 and Galaxy Note 20 Ultra users in the country can register for the Beta program via the Samsung Members app. Check how to do it here.



The current story is that the South Korean company has released the Android 12 Beta with One UI 4.0 for the Galaxy S21 series and Galaxy Z Fold 3/Flip 3 smartphones. The company has now announced the One UI 4.0 Beta program for the Galaxy Note 20 series smartphones.



According to the official information, the company has opened the beta program for the Galaxy Note 20 users in the UK, which will soon be available in India, Korea, Germany, China, Poland, and the US.

Software versions:

  • Galaxy Note 20 Ultra: N986BXXU3ZUK1
  • Galaxy Note 20: N981BXXU3ZUK1

If you are eligible region and using the Galaxy Note 20 or Note 20 Ultra, can join the beta program using the Samsung Members app, then tap on the One UI Beta Program banner on the home screen.


As the name suggests, this software update is currently in the testing phase. It contains several bugs and issues, some of which could be serious and cause data loss or more. We suggest you take a backup of all the important data before testing the One UI beta build.

//Sammy Fans

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