A276U1UEU3BZIF – Galaxy A27 5G firmware

Build A276U1UEU3BZIF is a feature update for the Galaxy A27 5G (SM-A276U1) on Android 17 (One UI 9). It first appeared on Samsung's servers on Nov 2, 2026 (method) and has reached 12 regions so far. It keeps bootloader bit 3, so downgrading to the previous build A276U1UES3AZI3 is still possible. Samsung still serves this file.

Model
SM-A276U1
Android
Android 17
Type
Feature
Bootloader bit
3
First released
Nov 2, 2026
Regions
12

Rollout timeline by region

The date each region code (CSC) first received A276U1UEU3BZIF, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ACGUSA (C Spire)Nov 2, 2026day 0A276U1UEU3BZIF/A276U1OYM3BZIF/A276U1UEU3BZIF
AIOUSA (Cricket)Nov 2, 2026day 0A276U1UEU3BZIF/A276U1OYM3BZIF/A276U1UEU3BZIF
ATTUSA (AT&T)Nov 2, 2026day 0A276U1UEU3BZIF/A276U1OYM3BZIF/A276U1UEU3BZIF
CCTUSA (Comcast)Nov 2, 2026day 0A276U1UEU3BZIF/A276U1OYM3BZIF/A276U1UEU3BZIF
DSAUSANov 2, 2026day 0A276U1UEU3BZIF/A276U1OYM3BZIF/A276U1UEU3BZIF
DSHUSANov 2, 2026day 0A276U1UEU3BZIF/A276U1OYM3BZIF/A276U1UEU3BZIF
LRAUSA (Bluegrass)Nov 2, 2026day 0A276U1UEU3BZIF/A276U1OYM3BZIF/A276U1UEU3BZIF
TMBUSA (T-Mobile)Nov 2, 2026day 0A276U1UEU3BZIF/A276U1OYM3BZIF/A276U1UEU3BZIF
TMKUSA (MetroPCS)Nov 2, 2026day 0A276U1UEU3BZIF/A276U1OYM3BZIF/A276U1UEU3BZIF
VZWUSA (Verizon)Nov 2, 2026day 0A276U1UEU3BZIF/A276U1OYM3BZIF/A276U1UEU3BZIF
XAAUSA (unlocked)Nov 2, 2026day 0A276U1UEU3BZIF/A276U1OYM3BZIF/A276U1UEU3BZIF
XARUSA (Cellular South)Nov 2, 2026day 0A276U1UEU3BZIF/A276U1OYM3BZIF/A276U1UEU3BZIF

Download and release notes

samloader download -m SM-A276U1 -r XAA -v A276U1UEU3BZIF/A276U1OYM3BZIF/A276U1UEU3BZIF

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 A276U1UEU3BZIF.