Last updated: July 14th, 2026 at 08:47 UTC+02:00
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This update brings multiple bug fixes, as expected.
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Abhijeet Mishra / SamMobile
A week after announcing the release schedule for the One UI 9.0 Beta 4 update for the Galaxy S26 series, Samsung has started rolling out the update. The new beta update is now available in India and could soon be released in other countries like South Korea soon. It brings several bug fixes and likely includes performance improvements.
The One UI 9.0 Beta 4 update for the Galaxy S26, Galaxy S26+, and the Galaxy S26 Ultra comes with firmware version S948BXXU4ZZG4 and has a file size of around 1.25GB. It also includes the July 2026 security patch to make the phones more secure than earlier.
You can find the complete changelog of the new update below.
If you have enrolled your Galaxy S26 series phone in the One UI 9.0 Beta Program, you can check for the new update by navigating to Settings > Software update and tapping Check for updates. Once the update package is downloaded, tap the Install now button. Your phone will restart after a few minutes once the installation process is complete.
Asif Iqbal Shaik / SamMobile
Galaxy S26 Ultra's One UI 9.0 Beta 4 changelog – Source: Asif Iqbal Shaik / SamMobile
Samsung could release a couple more One UI 9.0 beta updates for the Galaxy S26 series before rolling out the stable version after the launch of the Galaxy Z Flip 8 and the Galaxy Z Fold 8 series.
Asif is a computer engineer turned technology journalist. He has been using Samsung phones since 2004, and his current smartphone is the Galaxy S23 Ultra. He loves headphones, mechanical keyboards, and PC hardware. When not writing about technology, he likes watching crime and science fiction movies and TV shows.
