G766NKSSACZH1 – Galaxy XCover7 Pro firmware
Build G766NKSSACZH1 is a security update for the Galaxy XCover7 Pro (SM-G766N)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Aug 26, 2026 (method) and has reached
1 region so far. It raises the bootloader bit from 9 to 10: once installed, the device no longer accepts firmware with bit 9 or lower, so a downgrade to G766NKSS9CZG2 is blocked. Samsung still serves this file.
- Model
- SM-G766N
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 10
- First released
- Aug 26, 2026
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received G766NKSSACZH1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
KOO | South Korea | Aug 26, 2026 | day 0 | G766NKSSACZH1/G766NKOOACZH1/G766NKSSACZH1 |
Download and release notes
samloader download -m SM-G766N -r KOO -v G766NKSSACZH1/G766NKOOACZH1/G766NKSSACZH1Samsung's release notes and security patch level for this update: SM-G766N / KOO on doc.samsungmobile.com. What each part of the build number means: decode G766NKSSACZH1.