A155FXXUCFZJ4 – Galaxy A15 firmware

Build A155FXXUCFZJ4 is a feature update for the Galaxy A15 (SM-A155F) on Android 17 (One UI 9). It first appeared on Samsung's servers on Nov 8, 2026 (method) and has reached 46 regions so far. It keeps bootloader bit 12, so downgrading to the previous build A155FXXSCEZH3 is still possible. Samsung still serves this file.

Model
SM-A155F
Android
Android 17
Type
Feature
Bootloader bit
12
First released
Nov 8, 2026
Regions
46

Rollout timeline by region

The date each region code (CSC) first received A155FXXUCFZJ4, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ACRGhanaNov 8, 2026day 0A155FXXUCFZJ4/A155FOJMCFZJ5/A155FXXUCFZJ4
AFGAfghanistanNov 8, 2026day 0A155FXXUCFZJ4/A155FOJMCFZJ5/A155FXXUCFZJ4
AFRAfricaNov 8, 2026day 0A155FXXUCFZJ4/A155FOJMCFZJ5/A155FXXUCFZJ4
DKRSenegalNov 8, 2026day 0A155FXXUCFZJ4/A155FOJMCFZJ5/A155FXXUCFZJ4
ECTNigeriaNov 8, 2026day 0A155FXXUCFZJ4/A155FOJMCFZJ5/A155FXXUCFZJ4
EGYEgyptNov 8, 2026day 0A155FXXUCFZJ4/A155FOJMCFZJ5/A155FXXUCFZJ4
ILOIsraelNov 8, 2026day 0A155FXXUCFZJ4/A155FOJMCFZJ5/A155FXXUCFZJ4
KSASaudi ArabiaNov 8, 2026day 0A155FXXUCFZJ4/A155FOJMCFZJ5/A155FXXUCFZJ4
LYSLibyaNov 8, 2026day 0A155FXXUCFZJ4/A155FOJMCFZJ5/A155FXXUCFZJ4
MIDMiddle EastNov 8, 2026day 0A155FXXUCFZJ4/A155FOJMCFZJ5/A155FXXUCFZJ4
MWDMoroccoNov 8, 2026day 0A155FXXUCFZJ4/A155FOJMCFZJ5/A155FXXUCFZJ4
PAKPakistanNov 8, 2026day 0A155FXXUCFZJ4/A155FOJMCFZJ5/A155FXXUCFZJ4
PKDPakistanNov 8, 2026day 0A155FXXUCFZJ4/A155FOJMCFZJ5/A155FXXUCFZJ4
TUNTunisiaNov 8, 2026day 0A155FXXUCFZJ4/A155FOJMCFZJ5/A155FXXUCFZJ4
TURTurkeyNov 8, 2026day 0A155FXXUCFZJ4/A155FOJMCFZJ5/A155FXXUCFZJ4
XFASouth AfricaNov 8, 2026day 0A155FXXUCFZJ4/A155FOJMCFZJ5/A155FXXUCFZJ4
XFESouth AfricaNov 8, 2026day 0A155FXXUCFZJ4/A155FOJMCFZJ5/A155FXXUCFZJ4
XFVSouth Africa (Vodacom)Nov 8, 2026day 0A155FXXUCFZJ4/A155FOJMCFZJ5/A155FXXUCFZJ4
XSGUnited Arab EmiratesNov 8, 2026day 0A155FXXUCFZJ4/A155FOJMCFZJ5/A155FXXUCFZJ4
XIDIndonesiaNov 8, 2026day 0A155FXXUCFZJ4/A155FOLECFZJ4/A155FXXUCFZJ4
GLBPhilippines (Globe)Nov 8, 2026day 0A155FXXUCFZJ4/A155FOLMCFZJ4/A155FXXUCFZJ4
MM1Singapore (M1)Nov 8, 2026day 0A155FXXUCFZJ4/A155FOLMCFZJ4/A155FXXUCFZJ4
MYMMyanmarNov 8, 2026day 0A155FXXUCFZJ4/A155FOLMCFZJ4/A155FXXUCFZJ4
SINSingapore (Singtel)Nov 8, 2026day 0A155FXXUCFZJ4/A155FOLMCFZJ4/A155FXXUCFZJ4
STHSingapore (StarHub)Nov 8, 2026day 0A155FXXUCFZJ4/A155FOLMCFZJ4/A155FXXUCFZJ4
THLThailandNov 8, 2026day 0A155FXXUCFZJ4/A155FOLMCFZJ4/A155FXXUCFZJ4
XMEMalaysiaNov 8, 2026day 0A155FXXUCFZJ4/A155FOLMCFZJ4/A155FXXUCFZJ4
XNZNew ZealandNov 8, 2026day 0A155FXXUCFZJ4/A155FOLMCFZJ4/A155FXXUCFZJ4
XSPSingaporeNov 8, 2026day 0A155FXXUCFZJ4/A155FOLMCFZJ4/A155FXXUCFZJ4
XTCPhilippinesNov 8, 2026day 0A155FXXUCFZJ4/A155FOLMCFZJ4/A155FXXUCFZJ4
XXVVietnamNov 8, 2026day 0A155FXXUCFZJ4/A155FOLMCFZJ4/A155FXXUCFZJ4
BOGFrance (Bouygues)Nov 8, 2026day 0A155FXXUCFZJ4/A155FOXMCFZJ4/A155FXXUCFZJ4
EUXEurope (Multi-CSC)Nov 8, 2026day 0A155FXXUCFZJ4/A155FOXMCFZJ4/A155FXXUCFZJ4
EUYEurope (Multi-CSC)Nov 8, 2026day 0A155FXXUCFZJ4/A155FOXMCFZJ4/A155FXXUCFZJ4
EVRUnited Kingdom (EE)Nov 8, 2026day 0A155FXXUCFZJ4/A155FOXMCFZJ4/A155FXXUCFZJ4
MEOPortugal (MEO)Nov 8, 2026day 0A155FXXUCFZJ4/A155FOXMCFZJ4/A155FXXUCFZJ4
MSRSerbiaNov 8, 2026day 0A155FXXUCFZJ4/A155FOXMCFZJ4/A155FXXUCFZJ4
O2CCzech Republic (O2)Nov 8, 2026day 0A155FXXUCFZJ4/A155FOXMCFZJ4/A155FXXUCFZJ4
PLSPoland (Plus)Nov 8, 2026day 0A155FXXUCFZJ4/A155FOXMCFZJ4/A155FXXUCFZJ4
PRTPoland (Play)Nov 8, 2026day 0A155FXXUCFZJ4/A155FOXMCFZJ4/A155FXXUCFZJ4
SFRFrance (SFR)Nov 8, 2026day 0A155FXXUCFZJ4/A155FOXMCFZJ4/A155FXXUCFZJ4
TOPSerbia/MontenegroNov 8, 2026day 0A155FXXUCFZJ4/A155FOXMCFZJ4/A155FXXUCFZJ4
VIPCroatia (A1)Nov 8, 2026day 0A155FXXUCFZJ4/A155FOXMCFZJ4/A155FXXUCFZJ4
CAUCaucasusNov 8, 2026day 0A155FXXUCFZJ4/A155FOXMCFZJ4/A155FXXUCFZJ4
SERRussiaNov 8, 2026day 0A155FXXUCFZJ4/A155FOXMCFZJ4/A155FXXUCFZJ4
SKZKazakhstanNov 8, 2026day 0A155FXXUCFZJ4/A155FOXMCFZJ4/A155FXXUCFZJ4

Download and release notes

samloader download -m SM-A155F -r EUX -v A155FXXUCFZJ4/A155FOXMCFZJ4/A155FXXUCFZJ4

Samsung's release notes and security patch level for this update: SM-A155F / EUX on doc.samsungmobile.com. What each part of the build number means: decode A155FXXUCFZJ4.