Devices
Reading Galaxy model numbers: what SM- codes actually tell you
A Galaxy model number encodes the family, generation and regional variant.
Read articleGalaxy S
Galaxy S25 Firmware & Software Updates
VerifiedGalaxy S25 — current Galaxy device with monthly security updates.
Last verified: 18 Aug 2026
Overview
The Galaxy S25 is part of the Galaxy S family. This page collects its recorded model numbers, firmware history, Android and One UI versions, security update status and CSC availability.
Firmware availability varies by model number, country, CSC, carrier and chipset. Records are labelled Verified, Reported or Expected. We never fabricate firmware build numbers — where a build has not been verified, the entry is marked pending.
Model Numbers
A Samsung device can carry several model numbers across regions. Only verified model codes are listed here.
| Model number | Region | Chipset | SIM | Status |
|---|---|---|---|---|
| SM-S931B | Europe | Snapdragon 8 Elite for Galaxy | — | Verified |
Latest Firmware
| Galaxy S25 | SM-S931B | Pending | XEF | France | 16 | 8.5 | 01 Aug 2026 | One UI Update | Verified |
Firmware History
| Galaxy S25 | SM-S931B | Pending | XEF | France | 16 | 8.5 | 01 Aug 2026 | One UI Update | Verified |
Android & One UI
- Android at launch
- Not recorded
- One UI at launch
- Not recorded
- Latest Android
- 16
- Latest One UI
- 8.5
Security Updates
The patch level date is not the same as the firmware release date. Regional builds can carry an older patch level than the latest published bulletin. See the security update tracker.
CSC / Regions
- XEFFrance · Europe
Specifications
- Family
- Galaxy S
- Release year
- 2025
- Device status
- Released
- Chipset
- Snapdragon 8 Elite for Galaxy
- 5G
- Yes
- Android at launch
- Not recorded
- One UI at launch
- Not recorded
- Latest Android
- 16
- Latest One UI
- 8.5
- Security cadence
- Monthly
- Support status
- Supported
Related Guides
How to check your Galaxy firmware version and build number
Locate the exact baseband, build and security patch level recorded on your device before comparing it to any tracker.
How to find your Galaxy model number and CSC
Model code and CSC together determine which firmware branch your device is eligible for.
Understanding Verified, Reported and Expected update statuses
Our three-tier status model tells you how much confidence to place in any listed rollout.
How to read Samsung security patch levels
The patch level date is not the same as the firmware release date.
Latest News
Firmware
CSC codes explained: why region matters for Galaxy firmware
The CSC recorded on a device controls which firmware branch it receives.
Read articleFAQ
- What model number is the Galaxy S25?
- The Galaxy S25 is recorded with model number SM-S931B.
- How often does the Galaxy S25 get security updates?
- The Galaxy S25 is currently on a Monthly security update cadence. Supported devices and frequency can change over time.
- Where can I find the latest firmware for the Galaxy S25?
- Firmware availability varies by model number, country, CSC, carrier and chipset. See the firmware history on this page, then confirm the version recorded on the handset itself. We do not host firmware binaries.