New Galaxy S23 update makes it more secure

Samsung has released a software update to the Galaxy S23 series in Korea. It offers the December 2025 security patch.

After the Galaxy S25 and the Galaxy S24, Samsung has now released the December 2025 security patch for the Galaxy S23 series, making the three devices in the lineup more secure.

Currently, Samsung is rolling out the update in its home country, South Korea. The update carries firmware version S918NKSS6EYL1 (via @ya_sking12767).

The December 2025 security patch fixes a total of 57 security issues. You can know more about it here. Samsung may release the update in other regions in the next few days.

To update your Galaxy S23 to the latest firmware, go to Settings > Software update > Download and install. We will soon make it available in our database for you to download.

The Galaxy S23 is currently running on One UI 8.0. Soon, the brand may release One UI 8.5 to it, which offers a wide range of visual changes and new features.

We got a chance to try One UI 8.5 on the Galaxy S23 Ultra. It gives a fresh breath of life to the device. You can take a look at our experience with it in our video below.

Abid Iqbal Shaik - Writer

First Samsung device: Galaxy S II

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.

Firmware Phone December 2025 Security Patch Galaxy S23 Galaxy S23 Plus Galaxy S23 Ultra Korea South Korea