December 9, 2021
Samsung Galaxy S21 Line receives One UI 4 Bug Fix . Update

Samsung Galaxy S21 Line receives One UI 4 Bug Fix . Update

Updated (11/24/2021) by LL

Samsung released the stable One UI 4 interface – Based on Android 12 – For Galaxy S21 series recently. However, a Update rate error The screens of the S21, S21 Plus, and S21 Ultra models equipped with the Qualcomm Snapdragon 888 chipset survived the tests and ended up causing annoyance for users around the world. Finally, the manufacturer has released an update that resolves the issue.

The error appeared when users chose 120Hz mode for the smartphone screen. One UI 4 reverted to a 60Hz refresh rate as soon as the user stopped touching the screen, causing crashes and slowdowns in animations, scrolling, and the overall interface.

a Update The one that fixes the problem is already distributed in the US – where the bug was initially identified – and brought the software version G99xUSQU4BUK9. As expected, the update is being rolled out gradually and will reach other affected regions soon.


Last week, Galaxy S21 phones appeared Samsung Galaxy S21And Samsung Galaxy S21 Plus it’s the Samsung Galaxy S21 Ultra I received the Stable version of One UI 4 update, based on Android 12. However, a bug escaped the tests and frustrated users

The problem occurs in 120Hz mode and causes the rate to drop to 60Hz when users take their finger off the screen and the swipe motion stops, causing the phone to crash and slow down. The Samsung Already aware of the issue and are working on an update that resolves the issue.


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This issue has obviously been identified in beta testing, but the version of the update that fixes the issue, BUK7, only works on some models. The new update will bring a more complete solution.

On Samsung’s official forum, a moderator said that the team has already found the problem and it won’t take long to fix it. According to reports, the bug only affects Samsung Galaxy S21 phones that use the Snapdragon 888 processor. At first, the bug was thought to only affect users in the United States, but it was soon realized that this bug affected users all over the world.


Are you using any Samsung phones from the Galaxy S21 line? Let us know if you have this problem!

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(Updated Nov 25, 2021 at 6:56 a.m.)