Galaxy A56, A55, A54 get August 2026 security update

The latest security patch fixes 56 security issues, and the updates for the three phones seem to be live in Samsung's home country.

TL;DR

Samsung has started rolling out the August 2026 security update for the Galaxy A56, A55, and A54 in South Korea.

The update fixes 56 security issues and carries firmware versions A566SKSS9CZH9, A556SKSSADZH3, and A546SKSSJFZH3.

Samsung is expected to expand the update to other regions soon, and the phones are likely to receive One UI 9.0 based on Android 17 later.

Samsung, after updating the Galaxy A57 with the August 2026 security patch, has now released the latest security update for three of its predecessors, the Galaxy A56, Galaxy A55, and the Galaxy A54.

The brand seems to be rolling out the latest updates for the three phones currently only in its home country, South Korea. They carry firmware versions A546SKSSJFZH3, A556SKSSADZH3, and A566SKSS9CZH9, respectively.

The August 2026 security patch brings fixes for 56 security issues present in the previous firmware of the three phones, making them more secure than before. The three devices are expected to get the One UI 9.0 (Android 17) update soon.

We expect Samsung to release the latest security update for the Galaxy A56, Galaxy A55, and Galaxy A54 in other regions in the next few days. You can check for their availability by going to Settings > Software update > Check for updates.

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 August 2026 Security Patch Galaxy A54 Galaxy A55 Galaxy A56 Korea South Korea