Samsung has finally kicked off the June 2026 update rollout for the Galaxy S26 series, bringing security enhancements. It comes almost a week after the company detailed the information about the fixes and patches included.

Aside from One UI 8.5 and One UI 9 Beta rollouts, Samsung is also releasing maintenance releases for Galaxy devices. June 2026 security enhancements were first released for the latest Galaxy S26 series in South Korea.

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Initial article – June 10

Samsung Galaxy S26, S26+, and S26 Ultra

Galaxy S26 users can identify the update via the PDA build version ending with AZF1. The firmware weighs around 565 megabytes for the devices. More Galaxy devices, including the S25 series and S24 series, would join the rollout shortly.

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Update 1 – June 10

Samsung Galaxy S25 FE

Shortly after the S26 series, Samsung pushed the June patch to the Galaxy S25 FE in South Korea. The OTA weighs nearly 325 megabytes and ends with PDA build version BZF1.

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Update 2 – June 11

Samsung Galaxy S25, S25+, S25 Edge and S25 Ultra

Samsung’s June 2026 patches are now expanding to the Galaxy S25 series, including the Edge version. Users in South Korea are getting the latest update through PDA build version ending with CZF1.

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Update 3 – June 11

Samsung Galaxy Z Fold 7, Z Flip 7 and Z Flip 7 FE

Foldable phones released in 2025, including the Z Fold 7, Z Flip 7, Z Flip7 FE, and TriFold are also grabbing the latest security patches released in June 2026. PDA build number ends with BZF1.

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Update 4 – June 15

Samsung Galaxy S25 and S26 series – India and Europe

June update is now expanding to the Galaxy S25 series and S26 series users in India and Europe region. Software information is as follows:

• Galaxy S25 – CZF1 | ~ 937 MB
• Galaxy S26 – AZF1 | ~ 562 MB

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Update 5 – June 18

Samsung Galaxy S24 series – South Korea

Samsung’s 2024 flagship phones, the Galaxy S24, S24+, and S24 Ultra, have started getting the One UI 8.5-based June 2026 security enhancements in South Korea.

Unlike the Galaxy S25 series, the Galaxy S24 phones are not getting the AI-powered Notification highlights features with the latest software; details as follows:

• Galaxy S24 – DZF3 | ~ 417 MB

 

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What’s new in June 2026 patch?

June 2026 OTA has patches for 44 Android and One UI vulnerabilities. If your device runs an Exynos chipset, you get 45 fixes. The additional Exynos patch is provided by Samsung Semiconductor with specific improvements.

• Samsung Exynos security advisory: 15 June 2026 flaws affecting phones, watches

One UI 9 Beta Program is available for the Galaxy S26 series only. However, the June patch rollout has begun for those running One UI 8.5 official version. Beta Program participants are scheduled to receive the third Beta update next week.

Galaxy S26 users don’t get any significant change with the June update. However, older devices, including the Galaxy S25 series, are rumored to receive a handful of One UI 8.5 features that were missing from the initial package.

Check for updates via Settings > Software update > Download and install.

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