G766U1UES9CZG1 – Galaxy XCover7 Pro firmware

Build G766U1UES9CZG1 is a security update for the Galaxy XCover7 Pro (SM-G766U1) on Android 16 (One UI 8). It first appeared on Samsung's servers on Jul 22, 2026 (method) and has reached 12 regions so far. It raises the bootloader bit from 8 to 9: once installed, the device no longer accepts firmware with bit 8 or lower, so a downgrade to G766U1UES8CZF1 is blocked. Samsung still serves this file.

Model
SM-G766U1
Android
Android 16
Type
Security
Bootloader bit
9
First released
Jul 22, 2026
Regions
12

Rollout timeline by region

The date each region code (CSC) first received G766U1UES9CZG1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ACGUSA (C Spire)Jul 22, 2026day 0G766U1UES9CZG1/G766U1OYM9CZG1/G766U1UES9CZG1
AIOUSA (Cricket)Jul 22, 2026day 0G766U1UES9CZG1/G766U1OYM9CZG1/G766U1UES9CZG1
ATTUSA (AT&T)Jul 22, 2026day 0G766U1UES9CZG1/G766U1OYM9CZG1/G766U1UES9CZG1
CCTUSA (Comcast)Jul 22, 2026day 0G766U1UES9CZG1/G766U1OYM9CZG1/G766U1UES9CZG1
DSAUSAJul 22, 2026day 0G766U1UES9CZG1/G766U1OYM9CZG1/G766U1UES9CZG1
DSHUSAJul 22, 2026day 0G766U1UES9CZG1/G766U1OYM9CZG1/G766U1UES9CZG1
LRAUSA (Bluegrass)Jul 22, 2026day 0G766U1UES9CZG1/G766U1OYM9CZG1/G766U1UES9CZG1
TMBUSA (T-Mobile)Jul 22, 2026day 0G766U1UES9CZG1/G766U1OYM9CZG1/G766U1UES9CZG1
TMKUSA (MetroPCS)Jul 22, 2026day 0G766U1UES9CZG1/G766U1OYM9CZG1/G766U1UES9CZG1
VZWUSA (Verizon)Jul 22, 2026day 0G766U1UES9CZG1/G766U1OYM9CZG1/G766U1UES9CZG1
XAAUSA (unlocked)Jul 22, 2026day 0G766U1UES9CZG1/G766U1OYM9CZG1/G766U1UES9CZG1
XARUSA (Cellular South)Jul 22, 2026day 0G766U1UES9CZG1/G766U1OYM9CZG1/G766U1UES9CZG1

Download and release notes

samloader download -m SM-G766U1 -r XAA -v G766U1UES9CZG1/G766U1OYM9CZG1/G766U1UES9CZG1

Samsung's release notes and security patch level for this update: SM-G766U1 / XAA on doc.samsungmobile.com. What each part of the build number means: decode G766U1UES9CZG1.