Galaxy Z Fold 8, Fold 8 Ultra get September 2026 security update

TL;DR

Samsung has started rolling out the September 2026 security update for the Galaxy Z Fold 8 and Galaxy Z Fold 8 Ultra.

The patch fixes 90 security issues and includes a stabilization code change related to terminal operation.

The update is first appearing in South Korea and should expand to other countries in the next few days.

Samsung has released new software updates for its latest book-style foldable phones, the Galaxy Z Fold 8 and the Galaxy Z Fold 8 Ultra. The updates bring the September 2026 security patch, which fixes 90 security issues. The changelog also mentions “Stabilization code related to terminal operation has been applied” (translated from Korean).

Samsung appears to be rolling out the updates first in its home country, South Korea. The Galaxy Z Fold 8 update is 1,084.29MB in size and carries firmware version F971NKSU3AZI5, according to a post on the Samsung Community. The Galaxy Z Fold 8 Ultra update should be similar in size, and its firmware version is also expected to end with AZI5.

Samsung should release the latest Galaxy Z Fold 8 and Galaxy Z Fold 8 Ultra updates in other countries around the globe over the next few days. You can check for the update by going to Settings > Software update > Check for updates.

Speaking of the Galaxy Z Fold 8 and Galaxy Z Fold 8 Ultra, both phones appear to be selling really well, with Samsung struggling to keep up with demand. However, the launch of Apple’s iPhone Duo could slow their sales momentum.

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 Fold 8 Galaxy Z Fold 8 Ultra Korea September 2026 Security Patch South Korea