52.1.b.0.266 -

The Sub-Category (1.b): This indicates a refined subset, possibly referring to a specific branch of development or a subsection of a legal framework.

Android 10 introduced a system-wide Dark Theme. With 52.1.B.0.266, Xperia users gained the ability to switch the entire UI—including system menus, notifications, and supported apps—to a dark mode. This is not only aesthetically pleasing for AMOLED screens (saving battery on pixels that turn black) but also easier on the eyes during nighttime usage. 52.1.b.0.266

is a software build number used by Sony Mobile Communications. Specifically, this version number is associated with a major operating system update— Android 10 —for select mid-range Xperia smartphones released in 2018 and 2019. The Sub-Category (1

The Lead Segment (52): Often associated with a primary category or a specific year of initiation in certain classification systems. This is not only aesthetically pleasing for AMOLED

Compliance: Ensuring that every action taken by an automated system is logged under a unique, unalterable ID.