Samsung Galaxy M55 Series Gets Major One UI 8.0 Update with Android 16

Samsung has officially started rolling out the One UI 8.0 update. This major software upgrade is based on the latest Android 16 operating system. The update is currently available for the Galaxy M55 and Galaxy M55s smartphones.The rollout began in India this October. This fulfills the company’s previous promise to users. The update also includes the latest October 2025 Android security patch.

What the New Update Delivers to Users

The new firmware brings all the features of Android 16 and Samsung’s One UI 8.0. According to Samsung’s official channels, this enhances the user experience significantly. It introduces new customization options and improved privacy controls.The update for the Galaxy M55 is version M556BXXU4CYJ4. It has a download size of approximately 2.6GB. The Galaxy M55s receives version M558BXXU2CYJ4, which is a similarly large file.

Future Update Path and Installation Guide

This update also secures the devices’ eligibility for the upcoming One UI 8.5. The next iteration is expected to bring a redesigned interface. It is based on a more refined version of the Android 16 platform.Users can check for the update manually in their phone settings. Navigate to Settings, then Software update, and select Download and install. A stable internet connection is recommended due to the large file size.

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This Android 16 rollout for the Samsung Galaxy M55 solidifies Samsung’s commitment to its update roadmap. It ensures users of these mid-range devices receive top-tier software support alongside critical security enhancements.

Info at your fingertips

How can I download the One UI 8.0 update on my Galaxy M55?

Go to your phone’s Settings app. Then, navigate to ‘Software update’ and tap on ‘Download and install’. The update will begin if it is available for your device.

What is included in this new software version?

The update includes the full One UI 8.0 experience built on Android 16. It also brings the October 2025 security patch to protect your device from vulnerabilities.

Is the update available globally yet?

Currently, the rollout has begun in India. Samsung typically expands to other regions within a few days or weeks following the initial release.

Will my phone get future updates after this?

Yes, receiving One UI 8.0 confirms your device is eligible for the next major update, One UI 8.5. This continues Samsung’s software support promise.

Why is the update file so large?

The large size, over 2.5GB, is due to the entirely new operating system (Android 16) and the extensive feature set of One UI 8.0. It is a complete platform upgrade.