Samsung has quietly flipped the switch. Internal development for One UI 9 is now underway, and if you’ve been tracking firmware builds as we do, the early signs are already there.
Test strings, backend references, and subtle framework changes all point in one direction: Android 17 is coming, and Samsung is not wasting time either. If history is any indication, this is where things start to get interesting.
When will One UI 9 arrive?
Here’s where things get a bit predictable. Samsung has a rhythm, and it rarely breaks it. If things stay on track, One UI 9 should debut around mid-2026, alongside the next foldables. That means the Z Flip 8 and Z Fold 8 will probably be first in line.
From there, expect the usual pattern:
- Early beta builds for the Galaxy S26 series
- Gradual rollout to older flagships
- Then the mid-range lineup follows
Don’t hold your breath for a sudden early release. Samsung prefers controlled rollouts, especially with major Android upgrades.
What to expect in One UI 9 update?
One UI 9 is not trying to reinvent the wheel, as that already happened with One UI 8.5.
We’re seeing thicker, more tactile sliders, cleaner spacing, and UI elements that feel easier to interact with one-handed. The kind of refinements you don’t notice in a changelog, but immediately feel in daily use.
Animations are getting attention, too. Early builds suggest improved waveform transitions, especially in media controls. The latest One UI 9 software has made it smoother and less jittery, but it’s not final yet.
We will add more to this section as things unfold.

Eligible Devices
If your Galaxy received One UI 8, the odds are in your favor. The full tentative list:
Galaxy S series phones
- Galaxy S23 Series (S23, S23+, S23 Ultra, S23 FE)
- Galaxy S24 Series (S24, S24+, S24 Ultra, S24 FE)
- Galaxy S25 Series (S25, S25+, S25 Ultra, S25 Edge, S25 FE)
- Galaxy S26 Series (S26, S26+, S26 Ultra)
Mid-Range A Series
- Galaxy A35 5G
- Galaxy A25 5G
- Galaxy A15 5G
- Galaxy A16 5G
- Galaxy A26 5G
- Galaxy A36 5G
- Galaxy A56 5G
Z Fold Series
- Galaxy Z Fold 5
- Galaxy Z Fold 6
- Galaxy Z Fold 7
Z Flip Series
- Galaxy Z Flip 5
- Galaxy Z Flip 6
- Galaxy Z Flip 7
Galaxy Tablets
Samsung’s tablet lineup follows a similar update schedule to smartphones, with premium models receiving longer support.
- Galaxy Tab S9 Series (S9, S9+, S9 Ultra, S9 FE)
- Galaxy Tab S10 Series (S10+, S10 Ultra)
- Galaxy Tab S11 Series (S11 and S11 Ultra)
Follow SammyFans for the latest Samsung Galaxy news, One UI Beta sign-up windows, and changelog leaks as development progresses.
Disclaimer
This is not an official Samsung confirmation for One UI 9 eligibility.
No device list has been published by Samsung for this specific update as of March 2026.
Eligibility depends on how many major OS versions remain in each device’s promised cycle, regional variations, carrier involvement, and final decisions from Samsung.
Policies can change, and some features (especially advanced Galaxy AI ones) may be limited to newer hardware.
Always wait for Samsung’s official announcement, check website, newsroom, or the Samsung Members app for the official list when it drops.
Don’t base any purchase or upgrade solely on this information.
The post All About Samsung One UI 9 – Features, Release and Eligible Devices appeared first on Sammy Fans.