Unlocked Galaxy S24 Series Receives May 2025 Security Update in the US
Samsung expands its latest Android 15-based patch to enhance security, stability, and battery life.
Update Now Live for Unlocked US Models
After rolling out to locked devices, Samsung has released the May 2025 security update for unlocked Galaxy S24, S24+, and S24 Ultra models in the United States.
- This follows previous rollouts in Korea, Europe, and India, completing a broad international release.
- The update aims to improve the overall Galaxy experience, delivering important stability and security enhancements.
Build Versions for Unlocked Devices
The update is rolling out under the following One UI 7 (Android 15) build versions:
- S921U1UES4BYE4 – Galaxy S24
- S926U1UES4BYE4 – Galaxy S24+
- S928U1UES4BYE4 – Galaxy S24 Ultra
Battery and System Improvements
In addition to improving security, the update may help address lingering battery drain issues reported after the One UI 7 upgrade.
- Users experiencing prolonged battery dips post-update could see performance improvements with this patch.
- The update also resolves bugs from previous versions, improving day-to-day reliability.
How to Download the Update
To install the update manually:
- Go to Settings > Software Updates > Download and install.
- Since the rollout is gradual, some users may receive it within a few days.
One UI 8 Beta Program in the Works
Samsung is currently testing internal builds of One UI 8 for the Galaxy S24 series.
- The beta program is expected to launch in late May 2025, initially for select countries and limited devices.
- Alongside the Galaxy S25 series, the S24 line will likely be among the first to receive the upcoming update, which focuses on feature refinement and optimization.
