G766USQS9CZH1 – Galaxy XCover7 Pro firmware

Build G766USQS9CZH1 is a security update for the Galaxy XCover7 Pro (SM-G766U) on Android 16 (One UI 8). It first appeared on Samsung's servers on Aug 30, 2026 (method) and has reached 4 regions so far. It keeps bootloader bit 9, so downgrading to the previous build G766USQS9CZG1 is still possible. Samsung still serves this file.

Model
SM-G766U
Android
Android 16
Type
Security
Bootloader bit
9
First released
Aug 30, 2026
Regions
4

Rollout timeline by region

The date each region code (CSC) first received G766USQS9CZH1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ATTUSA (AT&T)Aug 30, 2026day 0G766USQS9CZH1/G766UOYN9CZH1/G766USQS9CZH1
TMBUSA (T-Mobile)Aug 30, 2026day 0G766USQS9CZH1/G766UOYN9CZH1/G766USQS9CZH1
TMKUSA (MetroPCS)Aug 30, 2026day 0G766USQS9CZH1/G766UOYN9CZH1/G766USQS9CZH1
VZWUSA (Verizon)Sep 1, 2026+2 daysG766USQS9CZH1/G766UOYN9CZH1/G766USQS9CZH1

Download and release notes

samloader download -m SM-G766U -r ATT -v G766USQS9CZH1/G766UOYN9CZH1/G766USQS9CZH1

Samsung's release notes and security patch level for this update: SM-G766U / ATT on doc.samsungmobile.com. What each part of the build number means: decode G766USQS9CZH1.