G766NKSSBCZI3 – Galaxy XCover7 Pro firmware

Build G766NKSSBCZI3 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 Sep 20, 2026 (method) and has reached 1 region so far. It raises the bootloader bit from 10 to 11: once installed, the device no longer accepts firmware with bit 10 or lower, so a downgrade to G766NKSSACZH1 is blocked. Samsung still serves this file.

Model
SM-G766N
Android
Android 16
Type
Security
Bootloader bit
11
First released
Sep 20, 2026
Regions
1

Rollout timeline by region

The date each region code (CSC) first received G766NKSSBCZI3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
KOOSouth KoreaSep 20, 2026day 0G766NKSSBCZI3/G766NKOOBCZI3/G766NKSSBCZI3

Download and release notes

samloader download -m SM-G766N -r KOO -v G766NKSSBCZI3/G766NKOOBCZI3/G766NKSSBCZI3

Samsung'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 G766NKSSBCZI3.