A366BXXUCDZIF – Galaxy A36 5G firmware

Build A366BXXUCDZIF is a feature update for the Galaxy A36 5G (SM-A366B) on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 18, 2026 (method) and has reached 44 regions so far. It keeps bootloader bit 12, so downgrading to the previous build A366BXXSCCZH1 is still possible. Samsung still serves this file.

Model
SM-A366B
Android
Android 17
Type
Feature
Bootloader bit
12
First released
Oct 18, 2026
Regions
44

Rollout timeline by region

The date each region code (CSC) first received A366BXXUCDZIF, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BOGFrance (Bouygues)Oct 18, 2026day 0A366BXXUCDZIF/A366BOXMCDZIF/A366BXXUCDZIF
EUXEurope (Multi-CSC)Oct 18, 2026day 0A366BXXUCDZIF/A366BOXMCDZIF/A366BXXUCDZIF
EUYEurope (Multi-CSC)Oct 18, 2026day 0A366BXXUCDZIF/A366BOXMCDZIF/A366BXXUCDZIF
MEOPortugal (MEO)Oct 18, 2026day 0A366BXXUCDZIF/A366BOXMCDZIF/A366BXXUCDZIF
MOBAustria (A1)Oct 18, 2026day 0A366BXXUCDZIF/A366BOXMCDZIF/A366BXXUCDZIF
MOTSlovenia (Telekom)Oct 18, 2026day 0A366BXXUCDZIF/A366BOXMCDZIF/A366BXXUCDZIF
MSRSerbiaOct 18, 2026day 0A366BXXUCDZIF/A366BOXMCDZIF/A366BXXUCDZIF
PLSPoland (Plus)Oct 18, 2026day 0A366BXXUCDZIF/A366BOXMCDZIF/A366BXXUCDZIF
PRTPoland (Play)Oct 18, 2026day 0A366BXXUCDZIF/A366BOXMCDZIF/A366BXXUCDZIF
SFRFrance (SFR)Oct 18, 2026day 0A366BXXUCDZIF/A366BOXMCDZIF/A366BXXUCDZIF
SIMSlovenia (A1)Oct 18, 2026day 0A366BXXUCDZIF/A366BOXMCDZIF/A366BXXUCDZIF
SWCSwitzerlandOct 18, 2026day 0A366BXXUCDZIF/A366BOXMCDZIF/A366BXXUCDZIF
TOPSerbia/MontenegroOct 18, 2026day 0A366BXXUCDZIF/A366BOXMCDZIF/A366BXXUCDZIF
TURTurkeyOct 18, 2026day 0A366BXXUCDZIF/A366BOXMCDZIF/A366BXXUCDZIF
VIPCroatia (A1)Oct 18, 2026day 0A366BXXUCDZIF/A366BOXMCDZIF/A366BXXUCDZIF
XFASouth AfricaOct 19, 2026+1 dayA366BXXUCDZIF/A366BOJMCDZIF/A366BXXUCDZIF
XFVSouth Africa (Vodacom)Oct 19, 2026+1 dayA366BXXUCDZIF/A366BOJMCDZIF/A366BXXUCDZIF
XSGUnited Arab EmiratesOct 19, 2026+1 dayA366BXXUCDZIF/A366BOJMCDZIF/A366BXXUCDZIF
MM1Singapore (M1)Oct 19, 2026+1 dayA366BXXUCDZIF/A366BOLMCDZIF/A366BXXUCDZIF
SINSingapore (Singtel)Oct 19, 2026+1 dayA366BXXUCDZIF/A366BOLMCDZIF/A366BXXUCDZIF
STHSingapore (StarHub)Oct 19, 2026+1 dayA366BXXUCDZIF/A366BOLMCDZIF/A366BXXUCDZIF
THLThailandOct 19, 2026+1 dayA366BXXUCDZIF/A366BOLMCDZIF/A366BXXUCDZIF
XIDIndonesiaOct 19, 2026+1 dayA366BXXUCDZIF/A366BOLMCDZIF/A366BXXUCDZIF
XMEMalaysiaOct 19, 2026+1 dayA366BXXUCDZIF/A366BOLMCDZIF/A366BXXUCDZIF
XNZNew ZealandOct 19, 2026+1 dayA366BXXUCDZIF/A366BOLMCDZIF/A366BXXUCDZIF
XSAAustraliaOct 19, 2026+1 dayA366BXXUCDZIF/A366BOLMCDZIF/A366BXXUCDZIF
GLBPhilippines (Globe)Oct 19, 2026+1 dayA366BXXUCDZIF/A366BOLMCDZIF/A366BXXUCDZIF
XSPSingaporeOct 19, 2026+1 dayA366BXXUCDZIF/A366BOLMCDZIF/A366BXXUCDZIF
XTCPhilippinesOct 19, 2026+1 dayA366BXXUCDZIF/A366BOLMCDZIF/A366BXXUCDZIF
XXVVietnamOct 19, 2026+1 dayA366BXXUCDZIF/A366BOLMCDZIF/A366BXXUCDZIF
ACRGhanaOct 20, 2026+2 daysA366BXXUCDZIF/A366BOJMCDZIF/A366BXXUCDZIF
AFGAfghanistanOct 20, 2026+2 daysA366BXXUCDZIF/A366BOJMCDZIF/A366BXXUCDZIF
AFRAfricaOct 20, 2026+2 daysA366BXXUCDZIF/A366BOJMCDZIF/A366BXXUCDZIF
DKRSenegalOct 20, 2026+2 daysA366BXXUCDZIF/A366BOJMCDZIF/A366BXXUCDZIF
ECTNigeriaOct 20, 2026+2 daysA366BXXUCDZIF/A366BOJMCDZIF/A366BXXUCDZIF
EGYEgyptOct 20, 2026+2 daysA366BXXUCDZIF/A366BOJMCDZIF/A366BXXUCDZIF
ILOIsraelOct 20, 2026+2 daysA366BXXUCDZIF/A366BOJMCDZIF/A366BXXUCDZIF
KSASaudi ArabiaOct 20, 2026+2 daysA366BXXUCDZIF/A366BOJMCDZIF/A366BXXUCDZIF
LYSLibyaOct 20, 2026+2 daysA366BXXUCDZIF/A366BOJMCDZIF/A366BXXUCDZIF
MIDMiddle EastOct 20, 2026+2 daysA366BXXUCDZIF/A366BOJMCDZIF/A366BXXUCDZIF
MWDMoroccoOct 20, 2026+2 daysA366BXXUCDZIF/A366BOJMCDZIF/A366BXXUCDZIF
PAKPakistanOct 20, 2026+2 daysA366BXXUCDZIF/A366BOJMCDZIF/A366BXXUCDZIF
PKDPakistanOct 20, 2026+2 daysA366BXXUCDZIF/A366BOJMCDZIF/A366BXXUCDZIF
TUNTunisiaOct 20, 2026+2 daysA366BXXUCDZIF/A366BOJMCDZIF/A366BXXUCDZIF

Download and release notes

samloader download -m SM-A366B -r EUX -v A366BXXUCDZIF/A366BOXMCDZIF/A366BXXUCDZIF

Samsung's release notes and security patch level for this update: SM-A366B / EUX on doc.samsungmobile.com. What each part of the build number means: decode A366BXXUCDZIF.