G766U1UESACZJ2 – Galaxy XCover7 Pro firmware

Build G766U1UESACZJ2 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 Oct 25, 2026 (method) and has reached 12 regions so far. It keeps bootloader bit 10, so downgrading to the previous build G766U1UESACZI3 is still possible. Samsung still serves this file.

Model
SM-G766U1
Android
Android 16
Type
Security
Bootloader bit
10
First released
Oct 25, 2026
Regions
12

Rollout timeline by region

The date each region code (CSC) first received G766U1UESACZJ2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ATTUSA (AT&T)Oct 25, 2026day 0G766U1UESACZJ2/G766U1OYMACZJ2/G766U1UESACZJ2
CCTUSA (Comcast)Oct 25, 2026day 0G766U1UESACZJ2/G766U1OYMACZJ2/G766U1UESACZJ2
DSAUSAOct 25, 2026day 0G766U1UESACZJ2/G766U1OYMACZJ2/G766U1UESACZJ2
DSHUSAOct 25, 2026day 0G766U1UESACZJ2/G766U1OYMACZJ2/G766U1UESACZJ2
LRAUSA (Bluegrass)Oct 25, 2026day 0G766U1UESACZJ2/G766U1OYMACZJ2/G766U1UESACZJ2
TMBUSA (T-Mobile)Oct 25, 2026day 0G766U1UESACZJ2/G766U1OYMACZJ2/G766U1UESACZJ2
TMKUSA (MetroPCS)Oct 25, 2026day 0G766U1UESACZJ2/G766U1OYMACZJ2/G766U1UESACZJ2
VZWUSA (Verizon)Oct 25, 2026day 0G766U1UESACZJ2/G766U1OYMACZJ2/G766U1UESACZJ2
XARUSA (Cellular South)Oct 25, 2026day 0G766U1UESACZJ2/G766U1OYMACZJ2/G766U1UESACZJ2
ACGUSA (C Spire)Oct 25, 2026day 0G766U1UESACZJ2/G766U1OYMACZJ2/G766U1UESACZJ2
AIOUSA (Cricket)Oct 25, 2026day 0G766U1UESACZJ2/G766U1OYMACZJ2/G766U1UESACZJ2
XAAUSA (unlocked)Oct 25, 2026day 0G766U1UESACZJ2/G766U1OYMACZJ2/G766U1UESACZJ2

Download and release notes

samloader download -m SM-G766U1 -r XAA -v G766U1UESACZJ2/G766U1OYMACZJ2/G766U1UESACZJ2

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 G766U1UESACZJ2.