Samsung is busy releasing the official Android 12-based One UI 4.0 version to the flagship models. It has been successfully installed on Galaxy S21 series, Galaxy Z Fold 3 & Flip 3 devices, and soon Galaxy S20 & Note 20 series will receive it. Also, Samsung is conducting a beta program for Galaxy S10, Note 10 & older Galaxy Z series devices. Along with it, as per the information we received, the company is planning to launch the One UI 4.1 version in February for flagship smartphones.
As per the Samsung representative, the company is working on a new version with a release date of February 2022. The upcoming software will come pre-installed with Galaxy S22 models, which has a launch scheduled in early February. According to the Samsung rep, after Galaxy S21 Ultra, Galaxy S21 & Note 20 series smartphones will first receive the update. Later, One UI 4.1 version may come to Galaxy S20, Z Fold 3, Flip 3, and other flagship & mid-range devices including Galaxy tablets.
Here is the main part of the official answer from the Samsung team member (Google Translated):
Thank you for waiting for our reply. I carefully checked the attached file you sent. Galaxy S21 Ultra product One UI 4.1 software has February 2022 release date. Currently, Galaxy S21, Note 20 series One UI 4.1 update is in progress, and we ask for your kind understanding as it is difficult to guide One UI 4.1 progress and schedule. We are currently preparing for the review, and in the event of a future decision, we will notify you.