Samsung’s latest update to One UI 9—which is built on Android 17—is causing headaches for some Galaxy users, particularly when it comes to Android Auto. After the rollout of the stable version of One UI 9, a number of reports surfaced detailing issues like stuttering audio and complete connection failures between Galaxy phones and Android Auto-equipped vehicles.
Who’s Affected and What’s Seen
The problems are showing up across Samsung’s support forums, Reddit threads, and Google’s own forums. The trend seems consistent: phones updated to One UI 9 that were previously working fine with Android Auto now display hiccups. In one comparison shared by users, a Galaxy S25 Edge on One UI 8.5 operated Android Auto without trouble, whereas a Galaxy S24 Ultra on One UI 9 immediately reproduced the stutter and disconnection issues. While this isn’t a formal test, it lines up with what many others are experiencing.
No Fix Yet—What to Do Now
As of early November 2026, Samsung hasn’t acknowledged a fix or even confirmed that One UI 9 is the definitive cause. Users experiencing the issue haven’t been given any official workaround, and there’s no official timeline for a resolution. Most of the evidence right now is anecdotal, drawn from user reports rather than diagnostics from Samsung.
Until a patch is released, Galaxy owners who rely on Android Auto might consider delaying the upgrade to One UI 9 if possible, or keeping a backup plan—such as using Bluetooth audio or another connection method in the car—ready.
Why this matters: As in-car connectivity becomes increasingly central to the smartphone ecosystem, stability with platforms like Android Auto isn’t just nice to have—it’s essential. Galaxy phones are a major part of the Android hardware ecosystem, and issues like this erode trust where consistency and reliability count.
What to watch for: any statements or update plans from Samsung, firmware patches addressing Android Auto, or further community feedback helping narrow down whether specific models or configurations are more affected than others.