Global Rollout of October 2026 Security Update for Galaxy Z Fold 8 and Z Flip 8 Series

Samsung has officially initiated the global distribution of the October 2026 security patch for its flagship foldable lineup, including the Galaxy Z Fold 8 series and the Galaxy Z Flip 8. Initially limited to South Korea, the update is now expanding to international markets, with European users being among the first to receive the latest security enhancements.

• ✨ Samsung is rolling out the October 2026 security update globally for the Galaxy Z Fold 8 and Galaxy Z Flip 8 series.
• ✨ Europe is among the primary international regions receiving the firmware, which measures approximately 537MB for the book-style foldables.
• ✨ The new software build carries a version ending in AZIJ and brings critical fixes for 62 identified vulnerabilities.
• ✨ Users can manually check for the update by navigating to Settings, selecting Software update, and tapping Check for updates.

What is Included in the Latest Firmware Update?

A couple of days ago, Samsung released software updates for the Galaxy Z Fold 8 Ultra, Galaxy Z Fold 8, and the Galaxy Z Flip 8 that offered the October 2026 security patch. These were the brand’s first set of devices to get it, and the company offered the latest security patch to these devices even before detailing it. However, the tech giant had made it available only in its home country, South Korea. That’s changing now.

Samsung has started rolling out software updates for the Galaxy Z Fold 8 series and the Galaxy Z Flip 8 that offer the October 2026 security patch to more countries, with Europe being of the first to get it. The update for the flagship book-style foldable is 537.17MB in size and carries firmware version F9763XXS3AZIJ. The update for the other two phones should also be similar in size and have firmware version ending with AZIJ.

The October 2026 security patch fixes a total of 62 security issues. You can read more about it here. To get it on your Galaxy Z Fold 8 series device or the Galaxy Z Flip 8, go to Settings > Software update > Check for updates.

While the three Galaxy phones are expected to get Samsung’s next custom Android interface, One UI 9.5, there’s no information at the moment on when the brand will open its beta program or release the stable version.

Which devices are receiving the October 2026 security update?

The update is currently rolling out globally for the Galaxy Z Fold 8 Ultra, Galaxy Z Fold 8, and the Galaxy Z Flip 8 devices.

How large is the firmware file for the Galaxy Z Fold 8?

The update package for the flagship book-style foldable measures approximately 537.17MB in size and carries the firmware version F9763XXS3AZIJ.

How many security vulnerabilities does this patch address?

The October 2026 security patch includes fixes for a total of 62 security issues discovered across Samsung's software ecosystem.

How can I manually check for the update on my phone?

You can check for the availability of the update by navigating to Settings, selecting Software update, and then tapping on Check for updates.

🔎 As Samsung continues to broaden its international firmware deployment, users across Europe and neighboring regions can now secure their folding devices against the latest identified vulnerabilities, paving the way for future software expansions like One UI 9.5.