Samsung Galaxy Z Fold7 (SM-F966Z) Firmware Overview
What is the latest SM-F966Z firmware?
F966ZSCU1CZJB, released October 20, 2026 with Android 17. It is a feature update on bootloader binary 1. The archive holds 16 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 Z Fold7 still getting updates?
Yes. The newest build is from October 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-F966Z builds in the archive run Android 16 to 17. The earliest build we have for each version:
- Android 17: F966ZSCU1CZIH (Sep 2026), 4 builds in total
- Android 16: F966ZSCU1AYFL (Jun 2025), 11 builds in total
Can I downgrade the SM-F966Z 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 Jun 2025
All SM-F966Z firmware builds
| Build / PDA | Bit | Region (CSC) | Android | Date | Download Link |
|---|---|---|---|---|---|
|
F966ZSCU1CZJB
Feature update
|
1 | SBM | 17 |
2026-10-20 | Download |
|
F966ZSCU1CZJB
Feature update
|
1 | SJP | 17 |
2026-10-20 | Download |
|
F966ZSCU1CZIH
Feature update
|
1 | SBM | 17 |
2026-09-20 | Download |
|
F966ZSCU1CZIH
Feature update
|
1 | SJP | 17 |
2026-09-20 | Download |
|
F966ZSCS1BZH4
Security update
|
1 | SBM | 16 |
2026-08-14 | Download |
|
F966ZSCS1BZH4
Security update
|
1 | SJP | 16 |
2026-08-14 | Download |
|
F966ZSCU1BZF1
Feature update
|
1 | SBM | 16 |
2026-06-03 | Download |
|
F966ZSCU1BZF1
Feature update
|
1 | SJP | 16 |
2026-06-03 | Download |
|
F966ZSCU1BZDP
Feature update
|
1 | SJP | 16 |
2026-04-26 | Download |
|
F966ZSCU1AZB8
Feature update
|
1 | SBM | 16 |
2026-02-19 | Download |
|
F966ZSCS1AZA1
Security update
|
1 | SBM | 16 |
2026-01-12 | Download |
|
F966ZSCS1AYK9
Security update
|
1 | SBM | 16 |
2025-11-11 | Download |
|
F966ZSCU1AYI1
Feature update
|
1 | SBM | 16 |
2025-09-02 | Download |
|
F966ZSCS1AYGG
Security update
|
1 | SBM | 16 |
2025-07-30 | Download |
|
F966ZSCU1AYFL
Feature update
|
1 | SBM | 16 |
2025-06-19 | Download |
|
F966ZSCU1BZDP
Feature update
|
1 | SBM | — |
N/A | Download |
Latest SM-F966Z 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 |
|---|---|---|---|---|
| SBM | F966ZSCU1CZJB | 1 | 17 | 2026-10-20 |
| SJP | F966ZSCU1CZJB | 1 | 17 | 2026-10-20 |
How to Flash SM-F966Z Firmware
Put the Samsung Galaxy Z Fold7 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.