A276U1UEU2AZH3 – Galaxy A27 5G firmware

Build A276U1UEU2AZH3 is a feature update for the Galaxy A27 5G (SM-A276U1) on Android 16 (One UI 8). It first appeared on Samsung's servers on Sep 8, 2026 (method) and has reached 12 regions so far. It keeps bootloader bit 2, so downgrading to the previous build A276U1UES2AZG2 is still possible. Samsung still serves this file.

Model
SM-A276U1
Android
Android 16
Type
Feature
Bootloader bit
2
First released
Sep 8, 2026
Regions
12

Rollout timeline by region

The date each region code (CSC) first received A276U1UEU2AZH3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ACGUSA (C Spire)Sep 8, 2026day 0A276U1UEU2AZH3/A276U1OYM2AZH3/A276U1UEU2AZH3
AIOUSA (Cricket)Sep 8, 2026day 0A276U1UEU2AZH3/A276U1OYM2AZH3/A276U1UEU2AZH3
ATTUSA (AT&T)Sep 8, 2026day 0A276U1UEU2AZH3/A276U1OYM2AZH3/A276U1UEU2AZH3
CCTUSA (Comcast)Sep 8, 2026day 0A276U1UEU2AZH3/A276U1OYM2AZH3/A276U1UEU2AZH3
DSAUSASep 8, 2026day 0A276U1UEU2AZH3/A276U1OYM2AZH3/A276U1UEU2AZH3
DSHUSASep 8, 2026day 0A276U1UEU2AZH3/A276U1OYM2AZH3/A276U1UEU2AZH3
LRAUSA (Bluegrass)Sep 8, 2026day 0A276U1UEU2AZH3/A276U1OYM2AZH3/A276U1UEU2AZH3
TMBUSA (T-Mobile)Sep 8, 2026day 0A276U1UEU2AZH3/A276U1OYM2AZH3/A276U1UEU2AZH3
TMKUSA (MetroPCS)Sep 8, 2026day 0A276U1UEU2AZH3/A276U1OYM2AZH3/A276U1UEU2AZH3
VZWUSA (Verizon)Sep 8, 2026day 0A276U1UEU2AZH3/A276U1OYM2AZH3/A276U1UEU2AZH3
XAAUSA (unlocked)Sep 8, 2026day 0A276U1UEU2AZH3/A276U1OYM2AZH3/A276U1UEU2AZH3
XARUSA (Cellular South)Sep 8, 2026day 0A276U1UEU2AZH3/A276U1OYM2AZH3/A276U1UEU2AZH3

Download and release notes

samloader download -m SM-A276U1 -r XAA -v A276U1UEU2AZH3/A276U1OYM2AZH3/A276U1UEU2AZH3

Samsung's release notes and security patch level for this update: SM-A276U1 / XAA on doc.samsungmobile.com. What each part of the build number means: decode A276U1UEU2AZH3.