Galaxy S25

Download Samsung Firmware SM-S931B

Samsung Galaxy S25

The latest firmware for Samsung Galaxy S25 (SM-S931B) is S931BXXSDDZJ1 with Android 17, released on October 22, 2026 for 76 regions (CSC). Every official firmware build for SM-S931B, newest first: one row per build with all regions (CSC) that received it.

Latest build
S931BXXSDDZJ1 Android 17 · 17 days ago
Builds
33 builds
Regions (CSC)
101 regions

Firmware builds for SM-S931B

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/S931BXXSDDZJ1

SM-S931B update history

SM-S931B started on Android 15 and has received 2 major Android upgrades; it now runs Android 17. The upgrade to Android 17 started rolling out on October 6, 2026. The newest build, S931BXXSDDZJ1, was released on October 22, 2026 with the October 2026 security patch. That patch (SMR Oct-2026) fixes 62 vulnerabilities, 9 of them critical. Over the last 12 months SM-S931B received 17 builds, with a new build in 11 of those months, in line with Samsung's monthly security updates. Samsung guarantees security updates for this model until January 26, 2032.

Device specifications

Launched with
Android 15
Display diagonal
15.8 cm (6.2")
Display resolution
2340 x 1080 pixels
Processor family
Snapdragon
Processor model
8 Elite
RAM
12 GB
Rear camera resolution
50 MP
Rear camera type
Triple camera
SIM cards
Dual SIM
Battery capacity
4000 mAh
Weight
162 g

Changelog for SM-S931B

• 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 9
Galaxy AI

Enhanced Now nudge
Now nudge provides helpful suggestions in more places throughout your Galaxy experience. In addition to the keyboard, suggestions will now appear in conversation notifications and in a floating button in the bottom right corner of the screen. There are also several new types of suggestions, like entering reservation details or addresses and saving places in Google Maps.

Focus on someone important
My FanCam lets you select a person in a video and follow...

• Security
The device is protected with improved security.

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

• Stability and reliability
Device behavior has been improved.
• 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...

Show 22 older builds

• Security
The device is protected with improved security.

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

· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.

• 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.

One UI 8.0 (Android 16)
Galaxy AI

See calls on the screen
Call captions show what each person says on the screen in real time during calls. Follow the conversation on your screen to make sure you don’t miss anything.

Create unique pet portraits
Bring out your pet's personality with Portrait studio. You can now apply portrait effects to pictures of dogs and cats in addition to people. Choose from styles like Fisheye lens, oil painting, and more.

Clean up sound
Use Audio eraser to automatica...

• Security
The device is protected with improved security.

• Security

The device is protected with improved security.

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

• The usability of device operations 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.

• Security
The device is protected with improved security.

• Overall stability of functions improved.
• The security of your device has been improved.

1 retail code (SKU)

Box codes of SM-S931B for different colors and markets. Firmware is chosen by the model code SM-S931B and your region (CSC), not by the SKU.

  • SM-S931BZSDEEE

Similar Models

Frequently Asked Questions

What is the latest Android version for SM-S931B?

The newest firmware for SM-S931B runs Android 17: build S931BXXSDDZJ1, released on October 22, 2026.

When did SM-S931B get its last update?

The latest build for SM-S931B, S931BXXSDDZJ1, was released on October 22, 2026 (4 days ago).

How often does SM-S931B get updates?

Over the last 12 months SM-S931B received 17 builds, with at least one new build in 11 different months.

Is the firmware for SM-S931B official?

Yes, all firmware files for SM-S931B are 100% official, original, and obtained directly from Samsung servers.

How to flash Samsung SM-S931B using Odin?

To flash SM-S931B, 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-S931B?

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-S931B.