G766NKSS8CZF2 – Galaxy XCover7 Pro firmware

Build G766NKSS8CZF2 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 Jun 17, 2026 (method) and has reached 1 region so far. It raises the bootloader bit from 7 to 8: once installed, the device no longer accepts firmware with bit 7 or lower, so a downgrade to G766NKSU7CZE7 is blocked. Samsung still serves this file.

Model
SM-G766N
Android
Android 16
Type
Security
Bootloader bit
8
First released
Jun 17, 2026
Regions
1

Rollout timeline by region

The date each region code (CSC) first received G766NKSS8CZF2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
KOOSouth KoreaJun 17, 2026day 0G766NKSS8CZF2/G766NKOO8CZF2/G766NKSS8CZF2

Download and release notes

samloader download -m SM-G766N -r KOO -v G766NKSS8CZF2/G766NKOO8CZF2/G766NKSS8CZF2

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 G766NKSS8CZF2.