F9660ZCSCBZI1 – Galaxy Z Fold7 firmware
Build F9660ZCSCBZI1 is a security update for the Galaxy Z Fold7 (SM-F9660)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Oct 11, 2026 (method) and has reached
1 region so far. It keeps bootloader bit 12, so downgrading to the previous build F9660ZSUCCZIH is still possible. Samsung still serves this file.
- Model
- SM-F9660
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 12
- First released
- Oct 11, 2026
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received F9660ZCSCBZI1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
CHC | China | Oct 11, 2026 | day 0 | F9660ZCSCBZI1/F9660CHCCBZI1/F9660ZCSCBZH1 |
Download and release notes
samloader download -m SM-F9660 -r CHC -v F9660ZCSCBZI1/F9660CHCCBZI1/F9660ZCSCBZH1Samsung'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 F9660ZCSCBZI1.