Samsung Galaxy S25 (SM-S931Q) Firmware Overview
What is the latest SM-S931Q firmware?
S931QOPU1DZJC, released October 28, 2026 with Android 17. It is a feature update on bootloader binary 1. The archive holds 12 official builds across 1 region (CSC). Each one is the full stock ROM (flash file) for Odin, not an OTA patch.
Is the Samsung Galaxy S25 still getting updates?
Yes. The newest build is from October 2026.
Which Android versions did it get?
The SM-S931Q builds in the archive run Android 15 to 17. The earliest build we have for each version:
- Android 17: S931QOPU1DZIF (Sep 2026), 2 builds in total
- Android 16: S931QOPU1BYI7 (Sep 2025), 7 builds in total
- Android 15: S931QOPU1AYC1 (Mar 2025), 3 builds in total
Can I downgrade the SM-S931Q firmware?
Only to builds with the same bootloader binary (the Bit column) or higher. All decodable builds in the archive share binary 1:
- Binary 1 — since Mar 2025
All SM-S931Q firmware builds
| Build / PDA | Bit | Region (CSC) | Android | Date | Download Link |
|---|---|---|---|---|---|
|
S931QOPU1DZJC
Feature update
|
1 | SJP | 17 |
2026-10-28 | Download |
|
S931QOPU1DZIF
Feature update
|
1 | SJP | 17 |
2026-09-21 | Download |
|
S931QOPS1CZH6
Security update
|
1 | SJP | 16 |
2026-08-12 | Download |
|
S931QOPU1CZF1
Feature update
|
1 | SJP | 16 |
2026-06-03 | Download |
|
S931QOPU1CZDP
Feature update
|
1 | SJP | 16 |
2026-04-28 | Download |
|
S931QOPS1BZB4
Security update
|
1 | SJP | 16 |
2026-03-13 | Download |
|
S931QOPS1BZA1
Security update
|
1 | SJP | 16 |
2026-02-13 | Download |
|
S931QOPU1BYK7
Feature update
|
1 | SJP | 16 |
2025-11-19 | Download |
|
S931QOPU1BYI7
Feature update
|
1 | SJP | 16 |
2025-09-18 | Download |
|
S931QOPS1AYF1
Security update
|
1 | SJP | 15 |
2025-06-25 | Download |
|
S931QOPU1AYDB
Feature update
|
1 | SJP | 15 |
2025-04-29 | Download |
|
S931QOPU1AYC1
Feature update
|
1 | SJP | 15 |
2025-03-06 | Download |
How to Flash SM-S931Q Firmware
Put the Samsung Galaxy S25 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 1 or higher if your phone is already on the latest firmware. Use HOME_CSC to keep your data, CSC for a full wipe.