Samsung One UI 4 Beta 4 brings lots of bug fixes to Galaxy S21 running Android 12

Samsung Galaxy S21 Software Update

Amid stable Android 12-based One UI 4.0 release, Samsung just kicked off another One UI 4 Beta update for the Galaxy S21 series devices in South Korea and Europe. Consumers can recognize the One UI 4 Beta 4 update through the ZUK1 that is the last four digits of the firmware version.

With the fourth One UI 4 Beta build, Samsung included a lot of bug fixes for the Galaxy S21 users as part of offering a better overall user experience. You can see the software versions of One UI 4 Beta 4 for the Galaxy S21, Galaxy S21+, and Galaxy S21 Ultra, followed by changelog below.

Software Versions

  • Galaxy S21 – G9981XXU3ZUK1
  • Galaxy S21 Plus – G996BXXU3ZUK1
  • Galaxy S21 Ultra – G998BXXU3ZUK1


  • Delete stretch effect when overscrolling
  • Remove notification pop-up when running the app for the first time
  • Stutter when setting WQHD
  • Frame drop occurs when an alarm sounds

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  • WIFI and hotspot do not turn on in certain situations
  • Blurred screen when unlocking
  • When making and receiving calls Two call logs are created
  • Fingerprint recognition does not work after intermittently rebooting

Don’t Miss: One UI 4.1 Update, Eligible Devices, Release Date and Features

  • Under certain circumstances, nearby WIFI APs are not searched
  • Rebooted during a voice call
  • Keypad is closed
  • When closing all recent apps, the entire ONEUI home is forcefully closed and then rebooted
  • Fixed other minor issues

Check for software updates manually: Open your Galaxy S21’s Settings, head to Software updates section and finally hit the Download and install button.

Samsung One UI 4 Beta 4

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