Samsung has begun rolling out a change to the Android operating system on hundreds of millions of Galaxy phones around the world.

Samsung has shipped smart TVs with its Tizen operating system since 2015, and is now licensing it out to other manufacturers. Samsung smart TVs, however, have helped make Tizen more mainstream.

Samsung has announced that the beta program for its Android 12 operating system will be available for owners of Galaxy S21 devices. The beta program, known as the One UI 4 Beta Program, is set to give ...