Samsung Galaxy S26 (SM-S942C) Firmware Overview
What is the latest SM-S942C firmware?
S942CONU1BZI9, released September 14, 2026 with Android 17. It is a feature update on bootloader binary 1. The archive holds 14 official builds across 2 regions (CSC). Each one is the full stock ROM (flash file) for Odin, not an OTA patch.
Is the Samsung Galaxy S26 still getting updates?
Yes. The newest build is from September 2026, and 2 of 2 regions already have a build from that month; the rest usually follow within a few weeks.
Which Android versions did it get?
The SM-S942C builds in the archive run Android 16 to 17. The earliest build we have for each version:
- Android 17: S942CONU1BZI9 (Sep 2026), 2 builds in total
- Android 16: S942CONU1AZAI (Jan 2026), 12 builds in total
Can I downgrade the SM-S942C 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 Jan 2026
All SM-S942C firmware builds
| Build / PDA | Bit | Region (CSC) | Android | Date | Download Link |
|---|---|---|---|---|---|
|
S942CONU1BZI9
Feature update
|
1 | RKT | 17 |
2026-09-14 | Download |
|
S942CONU1BZI9
Feature update
|
1 | SJP | 17 |
2026-09-14 | Download |
|
S942CONS1AZH9
Security update
|
1 | RKT | 16 |
2026-08-13 | Download |
|
S942CONS1AZH9
Security update
|
1 | SJP | 16 |
2026-08-13 | Download |
|
S942CONS1AZF2
Security update
|
1 | RKT | 16 |
2026-06-12 | Download |
|
S942CONS1AZF2
Security update
|
1 | SJP | 16 |
2026-06-12 | Download |
|
S942CONU1AZDE
Feature update
|
1 | RKT | 16 |
2026-04-23 | Download |
|
S942CONU1AZDE
Feature update
|
1 | SJP | 16 |
2026-04-23 | Download |
|
S942CONS1AZCL
Security update
|
1 | RKT | 16 |
2026-03-26 | Download |
|
S942CONS1AZCL
Security update
|
1 | SJP | 16 |
2026-03-26 | Download |
|
S942CONU1AZCF
Feature update
|
1 | RKT | 16 |
2026-03-16 | Download |
|
S942CONU1AZCF
Feature update
|
1 | SJP | 16 |
2026-03-16 | Download |
|
S942CONU1AZAI
Feature update
|
1 | RKT | 16 |
2026-01-22 | Download |
|
S942CONU1AZAI
Feature update
|
1 | SJP | 16 |
2026-01-22 | Download |
Latest SM-S942C 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 |
|---|---|---|---|---|
| RKT | S942CONU1BZI9 | 1 | 17 | 2026-09-14 |
| SJP | S942CONU1BZI9 | 1 | 17 | 2026-09-14 |
How to Flash SM-S942C Firmware
Put the Samsung Galaxy S26 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.