One UI

Samsung Galaxy Z Fold, Fold 2, Z Flip/5G One UI 4.0 (Android 12) Software Update: Release Date, Stable/Beta, and Latest News

Samsung Galaxy Z Fold 2 One UI 5.1 update

Update 2, December 08 (11:09 ET) ― One UI 4.0 Beta 2

One UI 4.0 Beta 2 – Z Flip 5G

Samsung Galaxy Z Flip 5G is getting the Android 12-based One UI 4.0 Beta 2 update. It brings several bug fixes and the December 2021 security patch.


Update 1, December 04 (05:13 ET) ― One UI 4.0 Beta 2

Samsung One UI 4.0 Beta 3 – Fold 2

The One UI 4.0 Beta 3 update is now rolling out to the Galaxy Z Fold 2 in South Korea. The software version of this update is ZUKK. Check the complete changelog below (via Sammy Fans).

  • Fingerprint authentication not working in some apps
  • No effect when selecting a quick panel item
  • Routine not released
  • Navigation bar gesture hint On->Off bottom gesture – Hint bar error
  • Screen brightness dims when rebooting
  • Lock screen Reset occurs if not unlocked quickly on Galaxy Watch 4
  • Crash when connected to Galaxy Watch 4 – Battery drains quickly
  • Disconnected when connected to Windows PC via USB
  • Fixed other minor issues


The Galaxy Fold 2 is now receiving the Android 12-based One UI 4.0 beta 2 updates in South Korea.



Samsung has started the Android 12-based One UI 4.0 beta program for the Galaxy Z Fold 2 and Galaxy Flip/5G users.
The beta program is currently available in South Korea. The Galaxy Z Fold 2 and Flip/5G will soon get One UI 4.0 beta programs in South Korea, China, Germany, India, the UK, and the US.



Samsung is already testing the One UI 4.0 for the Galaxy Z Fold 3 and Z Flip 3 foldable smartphones. FYI, the beta program is also live for the Galaxy Note 20 series and Galaxy S20 series, it was opened for the Galaxy S21 devices but it has now received the stable One UI 4.0 build on November 15.

Galaxy Z Fold 2To join the beta program on your eligible smartphone, you’ll need to sign up through the Samsung Members app.

For that, first, you need to download the Samsung Members app, sign in with your Samsung ID, and then tap the One UI 4.0 banner, after that follow the on-screen instructions.

Earlier this week, Samsung shared the official One UI 4 roadmap in the US and India. According to that, the Galaxy Z Fold 2 and Flip 5G smartphones will get a stable update in January 2022.

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