Galaxy S25 FE

Download Samsung Firmware SM-S731B

Samsung Galaxy S25 FE

The latest firmware for Samsung Galaxy S25 FE (SM-S731B) is S731BXXS9CZJ2 with Android 17, released on October 22, 2026 for 61 regions (CSC). Every official firmware build for SM-S731B, newest first: one row per build with all regions (CSC) that received it.

Latest build
S731BXXS9CZJ2 Android 17 · 12 days ago
Builds
16 builds
Regions (CSC)
89 regions

Firmware builds for SM-S731B

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/S731BXXS9CZJ2

SM-S731B update history

SM-S731B started on Android 16 and has received 1 major Android upgrade; it now runs Android 17. The upgrade to Android 17 started rolling out on October 6, 2026. The newest build, S731BXXS9CZJ2, 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-S731B received 13 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 September 29, 2032.

Device specifications

Launched with
Android 16.0
Display diagonal
17 cm (6.7")
Display resolution
1080 x 2340 pixels
Processor frequency
2.9 GHz
Processor family
Samsung Exynos
Processor model
2400
RAM
8 GB
Rear camera resolution
50 MP
Rear camera type
Triple camera
SIM cards
Dual SIM
Battery capacity
4900 mAh
Weight
190 g

Changelog for SM-S731B

• 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 addresses or saving places in Google Maps.

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

• 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.

Show 3 older builds

• Stability and reliability
The stability of NFC 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.

• Security
The device is protected with improved security.

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

• 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.
• 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.

1 retail code (SKU)

Box codes of SM-S731B for different colors and markets. Firmware is chosen by the model code SM-S731B and your region (CSC), not by the SKU.

  • SM-S731BZKDEUB

Similar Models

Frequently Asked Questions

What is the latest Android version for SM-S731B?

The newest firmware for SM-S731B runs Android 17: build S731BXXS9CZJ2, released on October 22, 2026.

When did SM-S731B get its last update?

The latest build for SM-S731B, S731BXXS9CZJ2, was released on October 22, 2026 (7 days ago).

How often does SM-S731B get updates?

Over the last 12 months SM-S731B received 13 builds, with at least one new build in 11 different months.

Is the firmware for SM-S731B official?

Yes, all firmware files for SM-S731B are 100% official, original, and obtained directly from Samsung servers.

How to flash Samsung SM-S731B using Odin?

To flash SM-S731B, 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-S731B?

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-S731B.