After the Galaxy M56 and Galaxy A56, Samsung has begun rolling out a new February 2026 firmware update for the Samsung Galaxy M55 smartphone in India. The latest update aims to enhance system stability with improved protection and includes the latest Android security patch.
Galaxy M55 February Patch
It comes with firmware version M556BXXS5CZB4 and has a file size of 423MB. The update is based on One UI 8 software. The device is also eligible for the One UI 8.5 software update and is expected to receive it in the first half of this year.
What’s New in the Firmware
The new firmware integrates the February 2026 security patch, which fixes 37 high-level and several minor known vulnerabilities affecting Android devices. The changelog only mentions that improved security has been applied, so users are advised to update their Galaxy M55 for a better layer of protection.
Galaxy M55 Changelog Details
Firmware Version: M556BXXS5CZB4
Update Size: ~423MB
Security Level: February 5, 2026
OS: One UI 8.0
Changes: Bug fixes, improved security
Region: India (expanding soon)
How to Download It
The rollout is happening in phases and is currently available in India. Not all users may receive the update at the same time. Galaxy M55 owners can manually check for the update by heading to Settings > Software update > Download and install.
The Samsung Galaxy M55 is a mid-range device with a long-lasting battery and years of software update support. It is currently running on Android 16 and is expected to receive the One UI 8.5 update soon, along with other Galaxy M-series smartphones.
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