A256U1UEUCEZE6 – Galaxy A25 5G firmware

Build A256U1UEUCEZE6 is a feature update for the Galaxy A25 5G (SM-A256U1) on Android 16 (One UI 8). It first appeared on Samsung's servers on Jun 3, 2026 (method) and has reached 13 regions so far. It keeps bootloader bit 12, so downgrading to the previous build A256U1UESCDZD7 is still possible. Samsung still serves this file.

Model
SM-A256U1
Android
Android 16
Type
Feature
Bootloader bit
12
First released
Jun 3, 2026
Regions
13

Rollout timeline by region

The date each region code (CSC) first received A256U1UEUCEZE6, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ACGUSA (C Spire)Jun 3, 2026day 0A256U1UEUCEZE6/A256U1OYMCEZE6/A256U1UEUCEZE6
AIOUSA (Cricket)Jun 3, 2026day 0A256U1UEUCEZE6/A256U1OYMCEZE6/A256U1UEUCEZE6
ATTUSA (AT&T)Jun 3, 2026day 0A256U1UEUCEZE6/A256U1OYMCEZE6/A256U1UEUCEZE6
CCTUSA (Comcast)Jun 3, 2026day 0A256U1UEUCEZE6/A256U1OYMCEZE6/A256U1UEUCEZE6
DSAUSAJun 3, 2026day 0A256U1UEUCEZE6/A256U1OYMCEZE6/A256U1UEUCEZE6
DSHUSAJun 3, 2026day 0A256U1UEUCEZE6/A256U1OYMCEZE6/A256U1UEUCEZE6
LRAUSA (Bluegrass)Jun 3, 2026day 0A256U1UEUCEZE6/A256U1OYMCEZE6/A256U1UEUCEZE6
TMBUSA (T-Mobile)Jun 3, 2026day 0A256U1UEUCEZE6/A256U1OYMCEZE6/A256U1UEUCEZE6
TMKUSA (MetroPCS)Jun 3, 2026day 0A256U1UEUCEZE6/A256U1OYMCEZE6/A256U1UEUCEZE6
USCUSA (US Cellular)Jun 3, 2026day 0A256U1UEUCEZE6/A256U1OYMCEZE6/A256U1UEUCEZE6
VZWUSA (Verizon)Jun 3, 2026day 0A256U1UEUCEZE6/A256U1OYMCEZE6/A256U1UEUCEZE6
XAAUSA (unlocked)Jun 3, 2026day 0A256U1UEUCEZE6/A256U1OYMCEZE6/A256U1UEUCEZE6
XARUSA (Cellular South)Jun 3, 2026day 0A256U1UEUCEZE6/A256U1OYMCEZE6/A256U1UEUCEZE6

Download and release notes

samloader download -m SM-A256U1 -r XAA -v A256U1UEUCEZE6/A256U1OYMCEZE6/A256U1UEUCEZE6

Samsung's release notes and security patch level for this update: SM-A256U1 / XAA on doc.samsungmobile.com. What each part of the build number means: decode A256U1UEUCEZE6.