Galaxy M55s 5G

Download Samsung Firmware SM-M558B

Samsung Galaxy M55s 5G

The latest firmware for Samsung Galaxy M55s 5G (SM-M558B) is M558BXXS3DZH1 with Android 16, released on August 31, 2026 for 1 region (CSC). Every official firmware build for SM-M558B, newest first: one row per build with all regions (CSC) that received it.

Latest build
M558BXXS3DZH1 Android 16 · 2 months ago
Builds
10 builds
Regions (CSC)
1 region

Firmware builds for SM-M558B

Each firmware build has its own page at https://samfirm.shop/build/{PDA}, where {PDA} is the build number from the list above. Example: https://samfirm.shop/build/M558BXXS3DZH1

SM-M558B update history

SM-M558B started on Android 14 and has received 2 major Android upgrades; it now runs Android 16. The newest build, M558BXXS3DZH1, was released on August 31, 2026 with the August 2026 security patch. That patch (SMR Aug-2026) fixes 54 vulnerabilities, 8 of them critical. Over the last 12 months SM-M558B received 6 builds, spread over 6 different months.

Changelog for SM-M558B

• Security
The device is protected with improved security.

These changes may vary depending on the model, country, or network operator of the customer environment.

One UI 8.5
Visual design

Fresh new look
One UI seamlessly integrates into your daily routine by combining immersive visuals with meaningful personalization for a more refined and sophisticated design. Transparent blur effects add depth and make content easier to navigate, while floating elements react organically to your workflow for a more focused experience. Through familiar and intuitive data visualization, One UI delivers a design that feels both personal and relatable, helping you focus...

• Security
The device is protected with improved security.

These changes may vary depending on the model, country, or network operator of the customer environment.

One UI 8.0 (Android 16)
Productivity

Check stock prices without unlocking
Stocks you follow on Google Finance with big price changes will appear on your Now bar at the end of the trading day.

Easier file sharing with Quick Share
It's never been easier to send and receive files. Tap the Quick Share button in quick settings to get started. You can receive files while the Quick Share screen is open and send files to others directly from Quick Share.

Sticky notes
Add quick annotations on top o...

• Security
The device is protected with improved security.

These changes may vary depending on the model, country, or network operator of the customer environment.

Show 6 older builds
One UI 7.0 Upgrade (Android 15)
Bold new look

Visual enhancements
Enjoy a more sophisticated and unique look. One UI 7 introduces a stunning redesign to key components including buttons, menus, notifications and control bars, providing a more consistent visual experience with curves and circles. Beautiful new colors, soft animations, and an innovative blur effect that's unique to One UI make information hierarchy clearer and help you focus on important information.

Reimagined Home screen
Fr...

• Stability and reliability
Device behavior has been improved.
• Security
The device is protected with improved security.

• The security of your device has been improved.

  • M558BXXS2AXL1Jan 16, 2025
  • M558BXXS2AXK5 Nov 28, 2024
  • M558BXXS1AXJ9 Nov 21, 2024
  • M558BXXS1AXJ3 Oct 28, 2024

Similar Models

Frequently Asked Questions

What is the latest Android version for SM-M558B?

The newest firmware for SM-M558B runs Android 16: build M558BXXS3DZH1, released on August 31, 2026.

When did SM-M558B get its last update?

The latest build for SM-M558B, M558BXXS3DZH1, was released on August 31, 2026 (1 month ago).

How often does SM-M558B get updates?

Over the last 12 months SM-M558B received 6 builds, with at least one new build in 6 different months.

Is the firmware for SM-M558B official?

Yes, all firmware files for SM-M558B are 100% official, original, and obtained directly from Samsung servers.

How to flash Samsung SM-M558B using Odin?

To flash SM-M558B, you need to download the appropriate firmware, put your device into Download Mode, and use the Odin tool to load the BL, AP, CP, and CSC files.

Can I downgrade the Android version on SM-M558B?

Downgrading is only possible if the bootloader version (binary bit) of the old firmware matches the current one. Always check the binary version before flashing SM-M558B.