Samsung Galaxy Z Fold6 (SM-F956U) Firmware Overview
What is the latest SM-F956U firmware?
F956USQS4EZJ1, released October 13, 2026 with Android 17. It is a security update on bootloader binary 4. The archive holds 27 official builds across 8 regions (CSC). Each one is the full stock ROM (flash file) for Odin, not an OTA patch.
Is the Samsung Galaxy Z Fold6 still getting updates?
Yes. The newest build is from October 2026, and 5 of 8 regions already have a build from that month; the rest usually follow within a few weeks.
Which Android versions did it get?
The SM-F956U builds in the archive run Android 16 to 17. The earliest build we have for each version:
- Android 17: F956USQU4EZIH (Sep 2026), 13 builds in total
- Android 16: F956USQS4DZG3 (Jul 2026), 14 builds in total
Can I downgrade the SM-F956U firmware?
Only to builds with the same bootloader binary (the Bit column) or higher. All decodable builds in the archive share binary 4:
- Binary 4 — since Jul 2026
All SM-F956U firmware builds
| Build / PDA | Bit | Region (CSC) | Android | Date | Download Link |
|---|---|---|---|---|---|
|
F956USQS4EZJ1
Security update
|
4 | ATT | 17 |
2026-10-13 | Download |
|
F956USQS4EZJ1
Security update
|
4 | CCT | 17 |
2026-10-13 | Download |
|
F956USQS4EZJ1
Security update
|
4 | VZW | 17 |
2026-10-13 | Download |
|
F956USQS4EZJ1
Security update
|
4 | CHA | 17 |
2026-10-13 | Download |
|
F956USQS4EZJ1
Security update
|
4 | XAA | 17 |
2026-10-13 | Download |
|
F956USQU4EZIH
Feature update
|
4 | CCT | 17 |
2026-09-20 | Download |
|
F956USQU4EZIH
Feature update
|
4 | CHA | 17 |
2026-09-20 | Download |
|
F956USQU4EZIH
Feature update
|
4 | ATT | 17 |
2026-09-20 | Download |
|
F956USQU4EZIH
Feature update
|
4 | TMB | 17 |
2026-09-20 | Download |
|
F956USQU4EZIH
Feature update
|
4 | TMK | 17 |
2026-09-20 | Download |
|
F956USQU4EZIH
Feature update
|
4 | XAA | 17 |
2026-09-20 | Download |
|
F956USQU4EZIH
Feature update
|
4 | VZW | 17 |
2026-09-20 | Download |
|
F956USQU4EZIH
Feature update
|
4 | USC | 17 |
2026-09-20 | Download |
|
F956USQS4DZH5
Security update
|
4 | XAA | 16 |
2026-08-12 | Download |
|
F956USQS4DZH5
Security update
|
4 | TMB | 16 |
2026-08-11 | Download |
|
F956USQS4DZH5
Security update
|
4 | CCT | 16 |
2026-08-11 | Download |
|
F956USQS4DZH5
Security update
|
4 | TMK | 16 |
2026-08-11 | Download |
|
F956USQS4DZH5
Security update
|
4 | ATT | 16 |
2026-08-11 | Download |
|
F956USQS4DZH5
Security update
|
4 | CHA | 16 |
2026-08-11 | Download |
|
F956USQS4DZH5
Security update
|
4 | USC | 16 |
2026-08-11 | Download |
|
F956USQS4DZH5
Security update
|
4 | VZW | 16 |
2026-08-11 | Download |
|
F956USQS4DZG3
Security update
|
4 | TMB | 16 |
2026-07-07 | Download |
|
F956USQS4DZG3
Security update
|
4 | TMK | 16 |
2026-07-07 | Download |
|
F956USQS4DZG3
Security update
|
4 | CCT | 16 |
2026-07-07 | Download |
|
F956USQS4DZG3
Security update
|
4 | USC | 16 |
2026-07-07 | Download |
|
F956USQS4DZG3
Security update
|
4 | CHA | 16 |
2026-07-07 | Download |
|
F956USQS4DZG3
Security update
|
4 | XAA | 16 |
2026-07-07 | Download |
Latest SM-F956U 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 |
|---|---|---|---|---|
| ATT | F956USQS4EZJ1 | 4 | 17 | 2026-10-13 |
| CCT | F956USQS4EZJ1 | 4 | 17 | 2026-10-13 |
| CHA | F956USQS4EZJ1 | 4 | 17 | 2026-10-13 |
| TMB | F956USQU4EZIH | 4 | 17 | 2026-09-20 |
| TMK | F956USQU4EZIH | 4 | 17 | 2026-09-20 |
| USC | F956USQU4EZIH | 4 | 17 | 2026-09-20 |
| VZW | F956USQS4EZJ1 | 4 | 17 | 2026-10-13 |
| XAA | F956USQS4EZJ1 | 4 | 17 | 2026-10-13 |
How to Flash SM-F956U Firmware
Put the Samsung Galaxy Z Fold6 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 4 or higher if your phone is already on the latest firmware. Use HOME_CSC to keep your data, CSC for a full wipe.