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Story summary
- Samsung began the U.S. rollout of One UI 9 for Galaxy S26 Ultra, S26+, and S26 on Sept. 16, 2026.
- One UI 9 rollout differs by device, carrier, and region, so not all Galaxy phones receive it immediately.
- Google started the September 2026 Pixel update on Sept. 15, after which the Android Security Bulletin followed on Oct. 5.
- Supported Pixel phones receive seven years of OS and security updates from their U.S. launch date.