One UI 8.5 Beta 4: What's New? Bixby Upgrade, Bug Fixes, and More! (2026)

Get ready for a game-changer in the world of Samsung smartphones! The highly anticipated One UI 8.5 beta for the Galaxy S25 is almost here, and it’s packing some seriously exciting updates. But here’s where it gets controversial—could this be the debut of the rumored Perplexity AI-powered Bixby? Let’s dive in.

TL;DR

  • The changelog for Samsung’s upcoming One UI 8.5 beta has leaked, teasing what’s to come.
  • The update is expected to drop as early as this week, keeping us on the edge of our seats.
  • The star of the show? An enhanced Bixby, which many believe will be powered by Perplexity AI, a move that’s been whispered about for weeks.

Samsung has been busy fine-tuning One UI 8.5, with three beta versions already under its belt ahead of the rumored Galaxy S26 launch next month. With the stable release on the horizon, the tech giant is pulling out all the stops. Now, thanks to tipster Tarun Vats (https://x.com/tarunvats33/status/2013197147534147684?s=20), we’ve got a sneak peek at the changelog for the fourth beta. While Vats notes the update hasn’t arrived just yet, it’s expected to land anytime between now and Friday, January 23.

And this is the part most people miss—while the fourth beta primarily tackles bug fixes, Bixby is stealing the spotlight. Though the changelog is light on details, all signs point to the long-rumored Bixby overhaul (https://www.androidauthority.com/samsung-bixby-renew-perplexity-ai-3628037/). Samsung is reportedly integrating Perplexity AI, promising a Bixby that’s smarter and more responsive than ever. Last week, a leaked preview (https://www.androidauthority.com/samsung-bixby-integration-with-perplexity-3631324/) gave us a glimpse of what this could look like, and we’re betting it’ll roll out globally to devices running One UI 8.5.

For the tech enthusiasts keeping score, the remaining updates focus on squashing bugs introduced in earlier One UI 8.5 beta versions. Below is the full changelog, courtesy of Tarun Vats.

X / Tarun Vats

As a quick reminder, One UI 8.5 beta 4 isn’t live for the public yet, but it’s expected to drop any moment. Whether you’re already on beta 3 or considering making the leap to One UI 8.5, keep an eye out for the official announcement. But here’s the burning question—will the Perplexity AI integration live up to the hype, or is it just another tech promise? Let us know your thoughts in the comments below.

Follow along for more updates, and thank you for being part of our community. Before you comment, take a moment to review our Comment Policy (https://www.androidauthority.com/android-authority-comment-policy/).

One UI 8.5 Beta 4: What's New? Bixby Upgrade, Bug Fixes, and More! (2026)

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