G766U1UES9CZH1 – Galaxy XCover7 Pro firmware

Build G766U1UES9CZH1 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 Sep 1, 2026 (method) and has reached 12 regions so far. It keeps bootloader bit 9, so downgrading to the previous build G766U1UES9CZG1 is still possible. Samsung still serves this file.

Model
SM-G766U1
Android
Android 16
Type
Security
Bootloader bit
9
First released
Sep 1, 2026
Regions
12

Rollout timeline by region

The date each region code (CSC) first received G766U1UES9CZH1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ACGUSA (C Spire)Sep 1, 2026day 0G766U1UES9CZH1/G766U1OYM9CZH1/G766U1UES9CZH1
AIOUSA (Cricket)Sep 1, 2026day 0G766U1UES9CZH1/G766U1OYM9CZH1/G766U1UES9CZH1
ATTUSA (AT&T)Sep 1, 2026day 0G766U1UES9CZH1/G766U1OYM9CZH1/G766U1UES9CZH1
CCTUSA (Comcast)Sep 1, 2026day 0G766U1UES9CZH1/G766U1OYM9CZH1/G766U1UES9CZH1
DSAUSASep 1, 2026day 0G766U1UES9CZH1/G766U1OYM9CZH1/G766U1UES9CZH1
DSHUSASep 1, 2026day 0G766U1UES9CZH1/G766U1OYM9CZH1/G766U1UES9CZH1
LRAUSA (Bluegrass)Sep 1, 2026day 0G766U1UES9CZH1/G766U1OYM9CZH1/G766U1UES9CZH1
TMBUSA (T-Mobile)Sep 1, 2026day 0G766U1UES9CZH1/G766U1OYM9CZH1/G766U1UES9CZH1
TMKUSA (MetroPCS)Sep 1, 2026day 0G766U1UES9CZH1/G766U1OYM9CZH1/G766U1UES9CZH1
XAAUSA (unlocked)Sep 1, 2026day 0G766U1UES9CZH1/G766U1OYM9CZH1/G766U1UES9CZH1
VZWUSA (Verizon)Sep 1, 2026day 0G766U1UES9CZH1/G766U1OYM9CZH1/G766U1UES9CZH1
XARUSA (Cellular South)Sep 1, 2026day 0G766U1UES9CZH1/G766U1OYM9CZH1/G766U1UES9CZH1

Download and release notes

samloader download -m SM-G766U1 -r XAA -v G766U1UES9CZH1/G766U1OYM9CZH1/G766U1UES9CZH1

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 G766U1UES9CZH1.