F9660ZCUDBZJ9 – Galaxy Z Fold7 firmware
Build F9660ZCUDBZJ9 is a feature update for the Galaxy Z Fold7 (SM-F9660)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Nov 1, 2026 (method) and has reached
1 region so far. It keeps bootloader bit 13, so downgrading to the previous build F9660ZSSDCZJ1 is still possible. Samsung still serves this file.
- Model
- SM-F9660
- Android
- Android 16
- Type
- Feature
- Bootloader bit
- 13
- First released
- Nov 1, 2026
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received F9660ZCUDBZJ9, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
CHC | China | Nov 1, 2026 | day 0 | F9660ZCUDBZJ9/F9660CHCDBZJ9/F9660ZCUDBZJ1 |
Download and release notes
samloader download -m SM-F9660 -r CHC -v F9660ZCUDBZJ9/F9660CHCDBZJ9/F9660ZCUDBZJ1Samsung's release notes and security patch level for this update: SM-F9660 / CHC on doc.samsungmobile.com. What each part of the build number means: decode F9660ZCUDBZJ9.