Samsung begins behind-the-scenes work on One UI 8.5 for Galaxy S23 phones. The new software’s internal testing has just begun for the 2023 flagships. This move comes after a handful of Galaxy A phones have entered the arena.

Galaxy S23 series is eligible for the One UI 8.5 update, but the Beta Program is uncertain. Samsung might keep the users waiting until the second quarter of next year and directly provide a Stable build, skipping the Beta Program.

The first internal build carries FYLB, where F refers to the major One UI version. It replaces the existing E, which was bumped with One UI 8.0. If a build with the Z character appears, Beta testing will begin shortly after, but it’s less likely.

Software versions (As spotted by tipster Akhilesh Kumar):

• Galaxy S23 – S911BXXU8FYLB
• Galaxy S23 Plus – S916BXXU8FYLB
• Galaxy S23 Ultra – S918BXXU8FYLB

What’s new?

Samsung’s One UI 8.5 is based on One UI 8 (Android 16). It’s a mid-cycle version, but the changes are literally huge. The company highlights upgraded Photo Assist, Storage Share, and Audio Broadcast as the key features.

You get a heavily customizable Quick Panel that feels like Android 16 Expressive. Various apps and services have adopted an elegant blur design. Navigation bar and back-swipe gestures have also become more dynamic.

• Complete One UI 8.5 Beta update changelog

When to expect?

Samsung will roll out the One UI 8.5 update in the first half of next year. The release will start once the software debuts with the Galaxy S26 in 2026. You can expect the update in the second quarter, between April to June.

One UI 8.5 Beta is also underway for the users of the Galaxy S25 series. The Program is currently limited to four countries, with two more joining later this month. Samsung could keep Beta limited to just the S25 lineup.

Image – SammyFans

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