A276BXXU3BZIF – Galaxy A27 5G firmware

Build A276BXXU3BZIF is a feature update for the Galaxy A27 5G (SM-A276B) on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 18, 2026 (method) and has reached 53 regions so far. It keeps bootloader bit 3, so downgrading to the previous build A276BXXS3AZHC is still possible. Samsung still serves this file.

Model
SM-A276B
Android
Android 17
Type
Feature
Bootloader bit
3
First released
Oct 18, 2026
Regions
53

Rollout timeline by region

The date each region code (CSC) first received A276BXXU3BZIF, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
EUXEurope (Multi-CSC)Oct 18, 2026day 0A276BXXU3BZIF/A276BOXM3BZIF/A276BXXU3BZIF
EUYEurope (Multi-CSC)Oct 18, 2026day 0A276BXXU3BZIF/A276BOXM3BZIF/A276BXXU3BZIF
PLSPoland (Plus)Oct 18, 2026day 0A276BXXU3BZIF/A276BOXM3BZIF/A276BXXU3BZIF
PRTPoland (Play)Oct 18, 2026day 0A276BXXU3BZIF/A276BOXM3BZIF/A276BXXU3BZIF
TURTurkeyOct 18, 2026day 0A276BXXU3BZIF/A276BOXM3BZIF/A276BXXU3BZIF
GLBPhilippines (Globe)Oct 18, 2026day 0A276BXXU3BZIF/A276BOLM3BZIF/A276BXXU3BZIF
MM1Singapore (M1)Oct 18, 2026day 0A276BXXU3BZIF/A276BOLM3BZIF/A276BXXU3BZIF
SINSingapore (Singtel)Oct 18, 2026day 0A276BXXU3BZIF/A276BOLM3BZIF/A276BXXU3BZIF
STHSingapore (StarHub)Oct 18, 2026day 0A276BXXU3BZIF/A276BOLM3BZIF/A276BXXU3BZIF
THLThailandOct 18, 2026day 0A276BXXU3BZIF/A276BOLM3BZIF/A276BXXU3BZIF
XIDIndonesiaOct 18, 2026day 0A276BXXU3BZIF/A276BOLM3BZIF/A276BXXU3BZIF
XMEMalaysiaOct 18, 2026day 0A276BXXU3BZIF/A276BOLM3BZIF/A276BXXU3BZIF
XNZNew ZealandOct 18, 2026day 0A276BXXU3BZIF/A276BOLM3BZIF/A276BXXU3BZIF
XSAAustraliaOct 18, 2026day 0A276BXXU3BZIF/A276BOLM3BZIF/A276BXXU3BZIF
XSPSingaporeOct 18, 2026day 0A276BXXU3BZIF/A276BOLM3BZIF/A276BXXU3BZIF
XTCPhilippinesOct 18, 2026day 0A276BXXU3BZIF/A276BOLM3BZIF/A276BXXU3BZIF
XXVVietnamOct 18, 2026day 0A276BXXU3BZIF/A276BOLM3BZIF/A276BXXU3BZIF
ACRGhanaOct 18, 2026day 0A276BXXU3BZIF/A276BOJM3BZIF/A276BXXU3BZIF
AFGAfghanistanOct 18, 2026day 0A276BXXU3BZIF/A276BOJM3BZIF/A276BXXU3BZIF
AFRAfricaOct 18, 2026day 0A276BXXU3BZIF/A276BOJM3BZIF/A276BXXU3BZIF
DKRSenegalOct 18, 2026day 0A276BXXU3BZIF/A276BOJM3BZIF/A276BXXU3BZIF
ECTNigeriaOct 18, 2026day 0A276BXXU3BZIF/A276BOJM3BZIF/A276BXXU3BZIF
EGYEgyptOct 18, 2026day 0A276BXXU3BZIF/A276BOJM3BZIF/A276BXXU3BZIF
ILOIsraelOct 18, 2026day 0A276BXXU3BZIF/A276BOJM3BZIF/A276BXXU3BZIF
KSASaudi ArabiaOct 18, 2026day 0A276BXXU3BZIF/A276BOJM3BZIF/A276BXXU3BZIF
LYSLibyaOct 18, 2026day 0A276BXXU3BZIF/A276BOJM3BZIF/A276BXXU3BZIF
MIDMiddle EastOct 18, 2026day 0A276BXXU3BZIF/A276BOJM3BZIF/A276BXXU3BZIF
MWDMoroccoOct 18, 2026day 0A276BXXU3BZIF/A276BOJM3BZIF/A276BXXU3BZIF
PKDPakistanOct 18, 2026day 0A276BXXU3BZIF/A276BOJM3BZIF/A276BXXU3BZIF
TUNTunisiaOct 18, 2026day 0A276BXXU3BZIF/A276BOJM3BZIF/A276BXXU3BZIF
XFASouth AfricaOct 18, 2026day 0A276BXXU3BZIF/A276BOJM3BZIF/A276BXXU3BZIF
XFVSouth Africa (Vodacom)Oct 18, 2026day 0A276BXXU3BZIF/A276BOJM3BZIF/A276BXXU3BZIF
XSGUnited Arab EmiratesOct 18, 2026day 0A276BXXU3BZIF/A276BOJM3BZIF/A276BXXU3BZIF
CAUCaucasusOct 18, 2026day 0A276BXXU3BZIF/A276BOXM3BZIF/A276BXXU3BZIF
SERRussiaOct 18, 2026day 0A276BXXU3BZIF/A276BOXM3BZIF/A276BXXU3BZIF
SKZKazakhstanOct 18, 2026day 0A276BXXU3BZIF/A276BOXM3BZIF/A276BXXU3BZIF
GTOGuatemalaOct 19, 2026+1 dayA276BXXU3BZIF/A276BOWO3BZIF/A276BXXU3BZIF
BKDBangladeshOct 20, 2026+2 daysA276BXXU3BZIF/A276BODM3BZIF/A276BXXU3BZIF
INSIndiaOct 20, 2026+2 daysA276BXXU3BZIF/A276BODM3BZIF/A276BXXU3BZIF
NPBNepalOct 20, 2026+2 daysA276BXXU3BZIF/A276BODM3BZIF/A276BXXU3BZIF
SLKSri LankaOct 20, 2026+2 daysA276BXXU3BZIF/A276BODM3BZIF/A276BXXU3BZIF
ZTABrazil (Claro)Oct 20, 2026+2 daysA276BXXU3BZIF/A276BOWO3BZIF/A276BXXU3BZIF
ZTMBrazil (TIM)Oct 20, 2026+2 daysA276BXXU3BZIF/A276BOWO3BZIF/A276BXXU3BZIF
ZTOBrazilOct 20, 2026+2 daysA276BXXU3BZIF/A276BOWO3BZIF/A276BXXU3BZIF
ZVVBrazil (Vivo)Oct 20, 2026+2 daysA276BXXU3BZIF/A276BOWO3BZIF/A276BXXU3BZIF
IUSMexico (AT&T)Oct 21, 2026+3 daysA276BXXU3BZIF/A276BOWO3BZIF/A276BXXU3BZIF
MXOMexicoOct 21, 2026+3 daysA276BXXU3BZIF/A276BOWO3BZIF/A276BXXU3BZIF
TCEMexico (Telcel)Oct 21, 2026+3 daysA276BXXU3BZIF/A276BOWO3BZIF/A276BXXU3BZIF
BVOBoliviaNov 4, 2026+17 daysA276BXXU3BZIF/A276BOWO3BZIF/A276BXXU3BZIF
CGUGuatemala (Claro)Nov 4, 2026+17 daysA276BXXU3BZIF/A276BOWO3BZIF/A276BXXU3BZIF
COBColombia (Movistar)Nov 5, 2026+18 daysA276BXXU3BZIF/A276BOWO3BZIF/A276BXXU3BZIF
COLColombiaNov 5, 2026+18 daysA276BXXU3BZIF/A276BOWO3BZIF/A276BXXU3BZIF
COOColombiaNov 5, 2026+18 daysA276BXXU3BZIF/A276BOWO3BZIF/A276BXXU3BZIF

Download and release notes

samloader download -m SM-A276B -r EUX -v A276BXXU3BZIF/A276BOXM3BZIF/A276BXXU3BZIF

Samsung's release notes and security patch level for this update: SM-A276B / EUX on doc.samsungmobile.com. What each part of the build number means: decode A276BXXU3BZIF.