Samsung kept on enhancing Galaxy smartphones with new software releases, and in the latest edition, the company has surprised the most popular Galaxy A series phone, the Samsung Galaxy A55, with the January 2026 security update.

However, Samsung recently greeted the  Galaxy A55 users with a new One UI 8 update, which primarily optimizes the user experience and performance in some scenarios. In terms of version, it is getting the One UI  firmware version A556BXXSCCZA1.

The January 2026 security update for  Galaxy A55 with model number SM-A556B is currently available for Europe, and other markets should receive the same update in the coming days.

This update comes with several new security improvements and stability enhancements found in the previous software version. This shows that the company is still thinking about its older smartphone users and continues to release new updates to provide a better user experience. Unfortunately, this update is not available to global users, which is somewhat disappointing.

Keeping your Galaxy phone updated is very important. These updates help protect your device from new security risks, fix hidden problems, and ensure your phone remains fast and reliable. They also prepare your Galaxy device for future improvements and features.

The update is being released in batches and may take some time to reach all eligible units in the global market. Though you can try installing it manually via Settings >> Software update >> Download and install. , and follow the on-screen instructions.

Samsung Galaxy S25, Galaxy S25  Plus, and Galaxy S25  Ultra users are currently testing the new One UI 8.5 features through the Beta Program, ahead of the official release. Now, new reports suggest that Samsung may soon roll out the One UI 8.5 Beta 4 update for the Galaxy S25 series.

A reliable tipster has discovered a new One UI 8.5 beta build, along with a corresponding changelog, for the Galaxy S25 series. The build number is ending ZZAB, which means Samsung is currently testing it internally. This indicates that the Korean tech giant is preparing a new beta update for these S series phones.

According to reports, One UI 8.5 will bring major upgrades to Bixby. Additionally, a bug that occurs when clicking on the search history in the phone app will be fixed in an upcoming beta version.

In addition, it can resolve the issue of calls switching to the device speaker in certain situations when using a Bluetooth headset. In addition, an issue has been fixed in the upcoming beta build where there was a problem pasting phone numbers into the keypad after clicking on a call link.

Moreover, it will fix an issue where AI Select does not automatically close when “Copy” is selected.

 Galaxy S25 One UI 8.5 Beta 4 Changelog:

• Version: One UI 8.5, ZZAB

Bugs that have been fixed

• Applied Bixby update
• Fixed an issue when clicking search history in the phone app
• Resolved the problem where calls switch to the device under specific conditions while using a BT headset.
• Fixed an issue when pasting phone numbers into the keypad after clicking a call link
• Fixed an issue where AI Select does not automatically close when “Copy” is selected

Samsung started to roll out the January 2026 software update for the Korean models of Galaxy S24, Galaxy S24 Ultra, Galaxy S24+, and Galaxy S24 FE smartphones. This flagship device will be the next to grab One UI 8.5 as a major software release.

Samsung Galaxy S24 series January 2026 software update is released in batches with One UI 8 version SKT and a package size of 383 megabytes. Your Samsung Galaxy S24 series phone will get up to 55 fixes with the January 2026 patch. 

This update provides that both Android and One UI systems remain secure. It also improves performance by clearing the system-level cache partition during installation.

Users of this phone can download this version with improved system security and better user experience. However, you should know that the software is released in batches and may take some time to reach all of the Samsung Galaxy S24 series users in the market.

You can download the latest software update on your Galaxy S24 series smartphone with the following instructions:

• Open Settings
• From here, now tap on Software update
• Click on Software update

You will be notified with updated information if an upgrade is available.

On the other hand, Samsung is also testing the One UI 8.5 update for dozens of Galaxy models. While the beta program is open to Galaxy S25 users, developers are ensuring that users of other phones don’t have to wait too long by conducting internal testing.