Samsung sees a new update for its Galaxy S21 series users running One UI 4 beta based on Android 12. The new update carries the ZUK1 firmware version and should be available to beta testers in all regions where the firmware is currently available to test.
The update change log presents a long list of bug fixes and optimizations, including smoothing performance lag at QHD resolution for S21 Ultra, fixed Wi-Fi hotspot functionality, and fingerprint recognition after reboot among others. The full list is presented in the screenshot below.
The latest update comes in at just over 807 MB in size and also brings the security update on November 1st. Samsung recently began expanding its One UI 4 beta to Galaxy Z Fold3 and Z Flip3 users, though it has not yet offered a detailed timeline of when or if other devices will be eligible for the same treatment.