F7660ZSSDCZJ1 – Galaxy Z Flip7 firmware
Build F7660ZSSDCZJ1 is a security update for the Galaxy Z Flip7 (SM-F7660)
on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 25, 2026 (method) and has reached
2 regions so far. It raises the bootloader bit from 12 to 13: once installed, the device no longer accepts firmware with bit 12 or lower, so a downgrade to F7660ZCSCBZI1 is blocked. Samsung still serves this file.
- Model
- SM-F7660
- Android
- Android 17
- Type
- Security
- Bootloader bit
- 13
- First released
- Oct 25, 2026
- Regions
- 2
Rollout timeline by region
The date each region code (CSC) first received F7660ZSSDCZJ1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
BRI | Taiwan | Oct 25, 2026 | day 0 | F7660ZSSDCZJ1/F7660OZSDCZJ1/F7660ZCSDCZJ1 |
TGY | Hong Kong | Oct 25, 2026 | day 0 | F7660ZSSDCZJ1/F7660OZSDCZJ1/F7660ZCSDCZJ1 |
Download and release notes
samloader download -m SM-F7660 -r BRI -v F7660ZSSDCZJ1/F7660OZSDCZJ1/F7660ZCSDCZJ1Samsung's release notes and security patch level for this update: SM-F7660 / BRI on doc.samsungmobile.com. What each part of the build number means: decode F7660ZSSDCZJ1.