Last updated: March 31st, 2026 at 08:33 UTC+02:00
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The updates addresses 65 security vulnerabilities.
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Abhijeet Mishra / SamMobile
Samsung Galaxy S23 Ultra's Android version screen - Source: Abhijeet Mishra / SamMobile
Samsung has started rolling out the March 2026 security patch to the Galaxy S23, Galaxy S23+, and Galaxy S23 Ultra globally, including India. The update bringing the latest security patch to these devices is 480.32MB in size and carries firmware version S91xBXXS9EZC1.
The March 2026 security patch fixes 65 security issues present in the previous version of the OS. The brand started offering it to these devices last week by releasing an update for them in Korea. To get the update, go to Settings > Software update > Download and install.
Samsung is working on rolling out a major software update to the Galaxy S23 series soon. It will bring One UI 8.5 (Android 16 QPR2), which will offer a new user interface and many new features. A couple of months ago, we got our hands on an early build of it. You can watch our video below to learn about our experience with the new software for these devices.
Samsung is also developing One UI 9.0. We got our hands on an early build of it as well. It also offers a new UI and many new features. The brand is expected to debut it with the Galaxy Z Fold 8 and the Galaxy Z Flip 8. Soon after, the company opened its beta program for older devices and then released its stable version to eligible devices in the Galaxy S23 lineup.
I’m a computer science engineer living in Hyderabad, India, who has a keen interest in automobiles and consumer electronics. My journalism career kicked off in 2017 with MySmartPrice where I wrote news, features, buying guides, and explanatory articles about technology among other things, and reviewed many products, including smartphones, tablets, laptops, PC components, smartwatches, audio devices, wearables, and smart home products. Since then, I have worked for 91Mobiles, Apple, and Onsitego, before finally landing on SamMobile.