Ahead of several flagship smartphones, Samsung has started rolling out the latest June 2025 security update for the Galaxy M21 Prime Edition, a device released in 2021. This update installs the newest security patch to improve system security and stability.

The update is currently available for the Galaxy A56, Galaxy A36, Galaxy S25 series, Galaxy S24 series, Galaxy S23 series, Galaxy Z Flip 6, and Galaxy Z Fold 6. While other flagship models are still waiting for the new security patch, the early rollout for a budget phone like the M21 Prime Edition highlights Samsung’s commitment to enhancing security across all device tiers.

At present, the Samsung Galaxy M21 Prime Edition is receiving the June 2025 security update in India. Users can verify the update via the One UI build version M215GDDS7CYE1 and an installation package size of approximately 200 MB.

Image via Navjot Singh (X)

The company is releasing a new software update with system security improvements to keep your files and data safe on your phone. It also optimizes system stability to offer you uninterrupted and seamless functionality on your device.

As per the official notes, the June 2025 security patch fixes 36 high-level Common Vulnerabilities and Exposures (CVEs) provided by Google and 19 Samsung Vulnerabilities and Exposures (SVE) items. It mainly fixes issues related to Screen Capture, fingerprint, Bluetooth, Theme Manager, Samsung Cloud, and more.

To update your device, jump to Samsung’s Settings > Software update > Download and install. If you have received the update, install it now to enjoy enhanced security.

Samsung’s June 2025 patch is now hitting the Galaxy S23 series. South Korea remains Samsung’s favorite country to initiate a firmware update rollout. The new software comes with crucial security improvements for the devices.

Before the Galaxy S23 series, Samsung rolled out the June 2025 patch to the Galaxy S25 and S24 series. The latest security update is also available for select mid-range smartphones, with availability depending on region.

June 2025 SMR carries 36 Android CVE items and 19 SVE items for the S23 series. Among these 55 fixes, 36 are categorized as high-level security threats, while 19 are included by Samsung to ensure the best security on Galaxy devices.

Samsung users can update their Galaxy’s software manually. To fetch the latest OTA, head towards the system Settings. From this section, open the Software update and then the Download and install. PDA software versions are as follows:

• • S911NKSS6DYE5 – Galaxy S23
  • S916NKSS6DYE5 – S23 Plus
  • S918NKSS6DYE5 – S23 Ultra

The update changelog, as always, mentions security improvements. The update’s size is nearly 450 megabytes, indicating that nothing significant could have been contained in it. However, Galaxy users are advised to upgrade their phone’s software as soon as the OTA appears.

One UI 7 experience is getting refined

Samsung is refining the One UI 7 experience on Galaxy devices with incremental firmware updates. June’s software would play a key role in elevating the overall performance and functional stability of the Galaxy S23 series.

One UI 7 added plenty of new features and smooth animations. The battery life has been slightly harmed by the update, but Samsung continues to address flaws that are either ruining the experience or harming the battery life.

Samsung’s also Beta testing One UI 8 on the Galaxy S25 series. The Android 16-based One UI skin will be revealed next month, with OTA rollout to older Galaxy devices is likely to start thereafter, around August this year.

Source – 23_ULTRA / Samsung Community Korea

Samsung’s Galaxy S24 FE is also getting the June 2025 security update. Over the past two days, the company rolled out the latest security improvements to several models. And this time, the initial rollout is taking place in its home ground.

Galaxy S24 FE was launched in late 2024 with pretty impressive upgrades over the S23 FE. It boasts a large screen, a bigger battery, integrated Galaxy AI, and support for up to 7 generations of OS and 7 years of security updates.

The smartphone was released with Android 14-based One UI 6.1. The company later provided Android 15-based One UI 7 as the first major upgrade. It’s now eligible to jump to the Stable One UI 8 version, skipping the Beta Program.

One UI 8 update may take about two months to be available for the S24 FE. Meanwhile, Samsung is continuing to offer regular security improvements. The latest June 2025 patches are now live for the device, starting in South Korea.

Users can identify the update via PDA build version S721NKSS4BYE1. Earlier this month, the Korean tech giant disclosed that its June 2025 update brings 36 Android CVEs and 19 One UI SVE items to safeguard Galaxy devices.

Currently, the Galaxy S24 FE 5G’s June 2025 update is available in Korea. Samsung will expand the firmware to more markets in the next few days. Keep checking for the latest OTA through Settings > Software update > Download and install.

One UI 7 elevates Galaxy experiences with visual upgrades and smooth animations. Samsung’s next big upgrade, the One UI 8, is shaping up to be a major development in terms of usability improvements over the One UI 7.

Set to debut with foldables next month, the One UI 8 update will install Android 16 on Galaxy phones. It’s coming early pushed by Google’s efforts to help Android vendors launch their premium products with the latest OS.

Samsung Galaxy S25, Galaxy S25 Plus, and Galaxy S25 Ultra users are getting the June 2025 security update in the US. This update is rolling out for non-One UI 8 Beta testers of this series. It is currently live for unlocked models, and the company will soon make it available for all models.

Users of the Galaxy S25 series in the US can identify the June 2025 security update by checking the One UI build version listed below.

• S931U1UES4AYE3 – Galaxy S25
• S936U1UES4AYE3 – Galaxy S25 Plus
• S938U1UES4AYE3 – Galaxy S25 Ultra

The installation package size of this update is around 550MB. You can download the update via Settings >> Software Update >> Download and install. Notably, this update is already out for users in Europe, Korea, and India.

June 2025 Security Patch 

Samsung is rolling out the latest software update with system security improvements to keep your files and data safe on your phone. It also optimizes system stability to offer you uninterrupted and seamless functionality on your device.

Moreover, the June 2025 security patch fixes 36 high-level Common Vulnerabilities and Exposures (CVEs) provided by Google and 19 Samsung Vulnerabilities and Exposures (SVE) items. It mainly fixes issues related to Screen Capture, fingerprint, Bluetooth, Theme Manager, Samsung Cloud, and more.

One UI 8 Beta Expansion

Samsung recently started rolling out the One UI 8 Beta 2 update for the Galaxy S25 series in the US, Korea, the UK, and the US. This update fixed several issues that users encountered in the previous beta update.

In addition to the new beta, the company also began the One UI 8 Beta update in Poland and India. Now, these two more countries’ users can enjoy One UI 8 features ahead of the official release. It is expected that more Galaxy devices, including the Galaxy S24 series, the Galaxy Z Fold 6, and the Galaxy Z Flip 6, will soon get this beta update.

One UI 8 Beta 2 hits Galaxy S25 series in Germany, the US and UK – Here’s what’s new

Samsung’s June 2025 security update is now making its way to the Galaxy Z Flip 6, Fold 6, and Fold SE. The three foldable phones released in 2024 are receiving new firmware updates in South Korea with security improvements.

The rollout follows the June patch’s deployment on the Galaxy S25 and Galaxy S24 series. Samsung has also recently released an updated One UI 8 Beta for the S25 series in six markets, opening beta access in India and Poland.

The June 2025 update includes 36 Android CVEs and 19 One UI SVEs. These fixes will improve your Galaxy device’s security status. Users can also expect a more reliable and stable performance and smoother functioning.

Note that the June patch update can be identified through the PDA build versions: F741NKSS2BYER, F956NKSS2BYER, and F958NKSS2BYER for the Galaxy Z Flip 6, Z Fold 6, and Z Fold SE, respectively.

It’s currently live in South Korea, with expansion likely to America and Europe shortly. To check for the updates manually, navigate to the system Settings, followed by Software update, and Download and install.

One UI 8 Beta Prep?

Similar to the Galaxy S24 series, Samsung’s June 2025 security update seemingly readies the Galaxy Z Flip 6 and Fold 6 for the One UI 8 Beta Program. The Special Edition foldable phone may directly receive the Stable One UI 8.

One UI 8 Beta Program may launch for a few more Galaxy devices later this month. Samsung is highly likely to initiate the One UI 8 Watch Beta Program as well. Both announcements may come right before the Galaxy Unpacked.

Installing the Beta firmware unlocks access to Android 16 early. The Stable release may take around two months, while the Beta Program brings the latest software (at the cost of some common yet frustrating bugs) to your Galaxy, instantly.