G996U1UESFHYE1 – Galaxy S21+ 5G firmware

Build G996U1UESFHYE1 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 Jun 5, 2025 (method) and has reached 15 regions so far. It raises the bootloader bit from 14 to 15: once installed, the device no longer accepts firmware with bit 14 or lower, so a downgrade to G996U1UEUEHYDA is blocked. Samsung still serves this file.

Model
SM-G996U1
Android
Android 15
Type
Security
Bootloader bit
15
First released
Jun 5, 2025
Regions
15

Rollout timeline by region

The date each region code (CSC) first received G996U1UESFHYE1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ACGUSA (C Spire)Jun 5, 2025day 0G996U1UESFHYE1/G996U1OYMFHYE1/G996U1UESFHYE1
AIOUSA (Cricket)Jun 5, 2025day 0G996U1UESFHYE1/G996U1OYMFHYE1/G996U1UESFHYE1
ATTUSA (AT&T)Jun 5, 2025day 0G996U1UESFHYE1/G996U1OYMFHYE1/G996U1UESFHYE1
CCTUSA (Comcast)Jun 5, 2025day 0G996U1UESFHYE1/G996U1OYMFHYE1/G996U1UESFHYE1
DSHUSAJun 5, 2025day 0G996U1UESFHYE1/G996U1OYMFHYE1/G996U1UESFHYE1
LRAUSA (Bluegrass)Jun 5, 2025day 0G996U1UESFHYE1/G996U1OYMFHYE1/G996U1UESFHYE1
SPRUSA (Sprint)Jun 5, 2025day 0G996U1UESFHYE1/G996U1OYMFHYE1/G996U1UESFHYE1
TFNUSA (TracFone)Jun 5, 2025day 0G996U1UESFHYE1/G996U1OYMFHYE1/G996U1UESFHYE1
TMBUSA (T-Mobile)Jun 5, 2025day 0G996U1UESFHYE1/G996U1OYMFHYE1/G996U1UESFHYE1
TMKUSA (MetroPCS)Jun 5, 2025day 0G996U1UESFHYE1/G996U1OYMFHYE1/G996U1UESFHYE1
USCUSA (US Cellular)Jun 5, 2025day 0G996U1UESFHYE1/G996U1OYMFHYE1/G996U1UESFHYE1
VZWUSA (Verizon)Jun 5, 2025day 0G996U1UESFHYE1/G996U1OYMFHYE1/G996U1UESFHYE1
XAAUSA (unlocked)Jun 5, 2025day 0G996U1UESFHYE1/G996U1OYMFHYE1/G996U1UESFHYE1
XARUSA (Cellular South)Jun 5, 2025day 0G996U1UESFHYE1/G996U1OYMFHYE1/G996U1UESFHYE1
XASUSA (Sprint)Jun 5, 2025day 0G996U1UESFHYE1/G996U1OYMFHYE1/G996U1UESFHYE1

Download and release notes

samloader download -m SM-G996U1 -r XAA -v G996U1UESFHYE1/G996U1OYMFHYE1/G996U1UESFHYE1

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 G996U1UESFHYE1.