Download Samsung Firmware SM-M556B
Samsung Galaxy M55 5G
The latest firmware for Samsung Galaxy M55 5G (SM-M556B) is M556BXXS5DZH1 with Android 16, released on August 24, 2026 for 15 regions (CSC). Every official firmware build for SM-M556B, newest first: one row per build with all regions (CSC) that received it.
- Latest build
- M556BXXS5DZH1
- Builds
- 26 builds
- Regions (CSC)
- 16 regions
Firmware builds for SM-M556B
- 15 regions
- 15 regions
- 15 regions
- 15 regions
- 15 regions
- 15 regions
- 15 regions
- 15 regions
- CHOCOOMXDPEOTPAZTO
- BNGEGYILOILPINSMID+3
- CHOCOOMXDPEOTPAZTO
- BNGEGYILOILPINSMID+3
- CHOMXDPEOZTO
- BNGEGYILOILPINSMID+3
- CHOMXDPEOZTO
- COO
- TPA
- BNGEGYILOILPINSMID+3
- EGYILOILPMIDXXV
- BNGINSNPBSLK
- CHOMXDPEOZTO
- CHOEGYILOILPMIDMXD+3
- BNGINSNPBSLK
- CHOEGYILOILPMIDMXD+3
- BKD
- BKD
SM-M556B update history
SM-M556B started on Android 14 and has received 2 major Android upgrades; it now runs Android 16. The newest build, M556BXXS5DZH1, was released on August 24, 2026 with the August 2026 security patch. Over the last 12 months SM-M556B received 6 builds, spread over 6 different months.
Changelog for SM-M556B
• Security
The device is protected with improved security.
These changes may vary depending on the model, country, or network operator of the customer environment.
• Security
The device is protected with improved security.
These changes may vary depending on the model, country, or network operator of the customer environment.
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.
• 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 21 older builds
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.
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.
• Stability and reliability
Device behavior has been improved.
• Security
The device is protected with improved security.
• Stability and reliability
Device behavior has been improved.
• Security
The device is protected with improved security.
• Stability and reliability
Device behavior has been improved.
• Security
The device is protected with improved security.
• Stability and reliability
Device behavior has been improved.
• Security
The device is protected with improved security.
Frequently Asked Questions
What is the latest Android version for SM-M556B?
The newest firmware for SM-M556B runs Android 16: build M556BXXS5DZH1, released on August 24, 2026.
When did SM-M556B get its last update?
The latest build for SM-M556B, M556BXXS5DZH1, was released on August 24, 2026 (2 months ago).
How often does SM-M556B get updates?
Over the last 12 months SM-M556B received 6 builds, with at least one new build in 6 different months.
Is the firmware for SM-M556B official?
Yes, all firmware files for SM-M556B are 100% official, original, and obtained directly from Samsung servers.
How to flash Samsung SM-M556B using Odin?
To flash SM-M556B, 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-M556B?
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-M556B.