Samsung is likely to start the Android 12-based One UI 4.0 beta program for developers in the coming weeks. And the users of the Galaxy S21 series will be the first to be invited for the One UI 4.0 beta testing program around August/September 2021.
Samsung has been testing Android 12 and One UI 4.0 for the Galaxy S21 series for a couple of weeks, and it may speed up the development in the next few days and start testing it on more devices. The company is rumored to soon start the One UI 4.0 beta program, likely in September 2021.
After the different phases of beta testing, Samsung will start delivering the stable One UI 4.0 to these phones later this year.
