Galaxy S25

Download Samsung Firmware SM-S931Z

Samsung Galaxy S25

The latest firmware for Samsung Galaxy S25 (SM-S931Z) is S931ZSCU1DZIF with Android 17, released on October 15, 2026 for 2 regions (CSC). Every official firmware build for SM-S931Z, newest first: one row per build with all regions (CSC) that received it.

Latest build
S931ZSCU1DZIF Android 17 · 1 month ago
Builds
11 builds
Regions (CSC)
2 regions

Firmware builds for SM-S931Z

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/S931ZSCU1DZIF

SM-S931Z update history

SM-S931Z 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 15, 2026. The newest build, S931ZSCU1DZIF, was released on October 15, 2026 with the September 2026 security patch. That patch (SMR Sep-2026) fixes 80 vulnerabilities, 20 of them critical. Over the last 12 months SM-S931Z received 7 builds, spread over 7 different months. Samsung guarantees security updates for this model until January 25, 2032.

Device specifications

Launched with
Android 15
Display diagonal
15.8 cm (6.2")
Display resolution
2340 x 1080 pixels
RAM
12 GB
Rear camera resolution
50 MP
Rear camera type
Triple camera
Battery capacity
4000 mAh
Weight
162 g

Specifications of SM-S931B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

Changelog for SM-S931Z

· 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.

· 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.

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

Show 4 older builds
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· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.

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Frequently Asked Questions

What is the latest Android version for SM-S931Z?

The newest firmware for SM-S931Z runs Android 17: build S931ZSCU1DZIF, released on October 15, 2026.

When did SM-S931Z get its last update?

The latest build for SM-S931Z, S931ZSCU1DZIF, was released on October 15, 2026 (11 days ago).

How often does SM-S931Z get updates?

Over the last 12 months SM-S931Z received 7 builds, with at least one new build in 7 different months.

Is the firmware for SM-S931Z official?

Yes, all firmware files for SM-S931Z are 100% official, original, and obtained directly from Samsung servers.

How to flash Samsung SM-S931Z using Odin?

To flash SM-S931Z, 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-S931Z?

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-S931Z.