G996U1UESJHZB1 – Galaxy S21+ 5G firmware

Build G996U1UESJHZB1 is a security update for the Galaxy S21+ 5G (SM-G996U1) on Android 15 (One UI 7). It first appeared on Samsung's servers on Mar 22, 2026 (method) and has reached 15 regions so far. It keeps bootloader bit 19, so downgrading to the previous build G996U1UESJHZAA is still possible. Samsung still serves this file.

Model
SM-G996U1
Android
Android 15
Type
Security
Bootloader bit
19
First released
Mar 22, 2026
Regions
15

Rollout timeline by region

The date each region code (CSC) first received G996U1UESJHZB1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ACGUSA (C Spire)Mar 22, 2026day 0G996U1UESJHZB1/G996U1OYMJHZB1/G996U1UESJHZB1
AIOUSA (Cricket)Mar 22, 2026day 0G996U1UESJHZB1/G996U1OYMJHZB1/G996U1UESJHZB1
ATTUSA (AT&T)Mar 22, 2026day 0G996U1UESJHZB1/G996U1OYMJHZB1/G996U1UESJHZB1
CCTUSA (Comcast)Mar 22, 2026day 0G996U1UESJHZB1/G996U1OYMJHZB1/G996U1UESJHZB1
DSHUSAMar 22, 2026day 0G996U1UESJHZB1/G996U1OYMJHZB1/G996U1UESJHZB1
LRAUSA (Bluegrass)Mar 22, 2026day 0G996U1UESJHZB1/G996U1OYMJHZB1/G996U1UESJHZB1
SPRUSA (Sprint)Mar 22, 2026day 0G996U1UESJHZB1/G996U1OYMJHZB1/G996U1UESJHZB1
TFNUSA (TracFone)Mar 22, 2026day 0G996U1UESJHZB1/G996U1OYMJHZB1/G996U1UESJHZB1
TMBUSA (T-Mobile)Mar 22, 2026day 0G996U1UESJHZB1/G996U1OYMJHZB1/G996U1UESJHZB1
TMKUSA (MetroPCS)Mar 22, 2026day 0G996U1UESJHZB1/G996U1OYMJHZB1/G996U1UESJHZB1
USCUSA (US Cellular)Mar 22, 2026day 0G996U1UESJHZB1/G996U1OYMJHZB1/G996U1UESJHZB1
VZWUSA (Verizon)Mar 22, 2026day 0G996U1UESJHZB1/G996U1OYMJHZB1/G996U1UESJHZB1
XAAUSA (unlocked)Mar 22, 2026day 0G996U1UESJHZB1/G996U1OYMJHZB1/G996U1UESJHZB1
XARUSA (Cellular South)Mar 22, 2026day 0G996U1UESJHZB1/G996U1OYMJHZB1/G996U1UESJHZB1
XASUSA (Sprint)Mar 22, 2026day 0G996U1UESJHZB1/G996U1OYMJHZB1/G996U1UESJHZB1

Download and release notes

samloader download -m SM-G996U1 -r XAA -v G996U1UESJHZB1/G996U1OYMJHZB1/G996U1UESJHZB1

Samsung's release notes and security patch level for this update: SM-G996U1 / XAA on doc.samsungmobile.com. What each part of the build number means: decode G996U1UESJHZB1.