Galaxy Z Fold 6, Flip 6 get October 2026 security update

TL;DR

Samsung has started rolling out the October 2026 security update for the Galaxy Z Fold 6 and Galaxy Z Flip 6.

The patch fixes 62 vulnerabilities and is the first update for both phones after One UI 9.0 based on Android 17.

It is launching first in South Korea and should reach other countries in the following days.

The first software update for the Galaxy Z Fold 6 and the Galaxy Z Flip 6 after getting One UI 9.0 (Android 17) is here. It brings the October 2026 security patch, which addresses 62 vulnerabilities present in the previous firmware.

As usual, Samsung is rolling out the updates first in its home country, South Korea. The one for the book-style foldable is 392.14MB in size and carries firmware version F956NKSS4EZJ1. Whereas the update for the clamshell foldable has firmware version F741NKSS4EZJ1 (via Kailash).

After rolling out an update first in South Korea, Samsung usually releases it in other countries a few days later. You can check the availability of the October 2026 security patch on your Galaxy Z Fold 6 and the Galaxy Z Flip 6 by going to Settings > Software update > Check for updates.

If you haven’t explored One UI 9.0 on your phone yet, watch our video below to learn what changes and upgrades it brings so that you can utilize them in your day-to-day usage.

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 Galaxy Z Flip 6 Galaxy Z Fold 6 Korea October 2026 Security Patch South Korea