Samsung Galaxy S25 Ultra (SM-S938W) Firmware Overview
What is the latest SM-S938W firmware?
S938WVLUCDZIF, released September 20, 2026 with Android 17. It is a feature update on bootloader binary 12. The archive holds 20 official builds across 17 regions (CSC). Each one is the full stock ROM (flash file) for Odin, not an OTA patch.
Is the Samsung Galaxy S25 Ultra still getting updates?
Yes. The newest build is from September 2026, and 17 of 17 regions already have a build from that month; the rest usually follow within a few weeks.
Which Android versions did it get?
The SM-S938W builds in the archive run Android 16 to 17. The earliest build we have for each version:
- Android 17: S938WVLUCDZIF (Sep 2026), 17 builds in total
- Android 16: S938WVLSCCZF9 (Aug 2026), 3 builds in total
Can I downgrade the SM-S938W firmware?
Only to builds with the same bootloader binary (the Bit column) or higher. All decodable builds in the archive share binary 12:
- Binary 12 — since Jun 2026
All SM-S938W firmware builds
| Build / PDA | Bit | Region (CSC) | Android | Date | Download Link |
|---|---|---|---|---|---|
|
S938WVLUCDZIF
Feature update
|
12 | BMC | 17 |
2026-09-20 | Download |
|
S938WVLUCDZIF
Feature update
|
12 | CHR | 17 |
2026-09-20 | Download |
|
S938WVLUCDZIF
Feature update
|
12 | FIZ | 17 |
2026-09-20 | Download |
|
S938WVLUCDZIF
Feature update
|
12 | RWC | 17 |
2026-09-20 | Download |
|
S938WVLUCDZIF
Feature update
|
12 | PCM | 17 |
2026-09-20 | Download |
|
S938WVLUCDZIF
Feature update
|
12 | TLS | 17 |
2026-09-20 | Download |
|
S938WVLUCDZIF
Feature update
|
12 | XAC | 17 |
2026-09-20 | Download |
|
S938WVLUCDZIF
Feature update
|
12 | TBT | 17 |
2026-09-20 | Download |
|
S938WVLUCDZIF
Feature update
|
12 | VMC | 17 |
2026-09-20 | Download |
|
S938WVLUCDZIF
Feature update
|
12 | VTR | 17 |
2026-09-20 | Download |
|
S938WVLUCDZIF
Feature update
|
12 | PMB | 17 |
2026-09-20 | Download |
|
S938WVLUCDZIF
Feature update
|
12 | FMC | 17 |
2026-09-20 | Download |
|
S938WVLUCDZIF
Feature update
|
12 | ESK | 17 |
2026-09-20 | Download |
|
S938WVLUCDZIF
Feature update
|
12 | GLW | 17 |
2026-09-20 | Download |
|
S938WVLUCDZIF
Feature update
|
12 | KDO | 17 |
2026-09-20 | Download |
|
S938WVLUCDZIF
Feature update
|
12 | BWA | 17 |
2026-09-20 | Download |
|
S938WVLUCDZIF
Feature update
|
12 | SOL | 17 |
2026-09-20 | Download |
|
S938WVLSCCZF9
Security update
|
12 | PCM | 16 |
2026-08-12 | Download |
|
S938WVLSCCZF9
Security update
|
12 | BWA | 16 |
2026-08-12 | Download |
|
S938WVLSCCZF9
Security update
|
12 | FMC | 16 |
2026-08-12 | Download |
Latest SM-S938W Firmware by Region
The newest build for each region (CSC) code. Not sure which region your phone uses? See the CSC code guide.
| Region | Latest build | Bit | Android | Date |
|---|---|---|---|---|
| BMC | S938WVLUCDZIF | 12 | 17 | 2026-09-20 |
| BWA | S938WVLUCDZIF | 12 | 17 | 2026-09-20 |
| CHR | S938WVLUCDZIF | 12 | 17 | 2026-09-20 |
| ESK | S938WVLUCDZIF | 12 | 17 | 2026-09-20 |
| FIZ | S938WVLUCDZIF | 12 | 17 | 2026-09-20 |
| FMC | S938WVLUCDZIF | 12 | 17 | 2026-09-20 |
| GLW | S938WVLUCDZIF | 12 | 17 | 2026-09-20 |
| KDO | S938WVLUCDZIF | 12 | 17 | 2026-09-20 |
| PCM | S938WVLUCDZIF | 12 | 17 | 2026-09-20 |
| PMB | S938WVLUCDZIF | 12 | 17 | 2026-09-20 |
| RWC | S938WVLUCDZIF | 12 | 17 | 2026-09-20 |
| SOL | S938WVLUCDZIF | 12 | 17 | 2026-09-20 |
| TBT | S938WVLUCDZIF | 12 | 17 | 2026-09-20 |
| TLS | S938WVLUCDZIF | 12 | 17 | 2026-09-20 |
| VMC | S938WVLUCDZIF | 12 | 17 | 2026-09-20 |
| VTR | S938WVLUCDZIF | 12 | 17 | 2026-09-20 |
| XAC | S938WVLUCDZIF | 12 | 17 | 2026-09-20 |
How to Flash SM-S938W Firmware
Put the Samsung Galaxy S25 Ultra into Download Mode, load the BL, AP, CP and CSC files into Odin on a Windows PC and press Start. Pick a build with Bit 12 or higher if your phone is already on the latest firmware. Use HOME_CSC to keep your data, CSC for a full wipe.