A185GXXS1AZJ1 – Galaxy A18 firmware

Build A185GXXS1AZJ1 is a security update for the Galaxy A18 (SM-A185G) on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 12, 2026 (method) and has reached 47 regions so far. It keeps bootloader bit 1, so downgrading to the previous build A185GXXU1AZI4 is still possible. Samsung still serves this file.

Model
SM-A185G
Android
Android 17
Type
Security
Bootloader bit
1
First released
Oct 12, 2026
Regions
47

Rollout timeline by region

The date each region code (CSC) first received A185GXXS1AZJ1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
XMEMalaysiaOct 12, 2026day 0A185GXXS1AZJ1/A185GOLM1AZJ1/A185GXXS1AZJ1
THLThailandOct 13, 2026+1 dayA185GXXS1AZJ1/A185GOLM1AZJ1/A185GXXS1AZJ1
XIDIndonesiaOct 13, 2026+1 dayA185GXXS1AZJ1/A185GOLM1AZJ1/A185GXXS1AZJ1
XNZNew ZealandOct 13, 2026+1 dayA185GXXS1AZJ1/A185GOLM1AZJ1/A185GXXS1AZJ1
XSAAustraliaOct 13, 2026+1 dayA185GXXS1AZJ1/A185GOLM1AZJ1/A185GXXS1AZJ1
XXVVietnamOct 13, 2026+1 dayA185GXXS1AZJ1/A185GOLM1AZJ1/A185GXXS1AZJ1
KSASaudi ArabiaOct 13, 2026+1 dayA185GXXS1AZJ1/A185GOJM1AZJ2/A185GXXS1AZJ1
MIDMiddle EastOct 13, 2026+1 dayA185GXXS1AZJ1/A185GOJM1AZJ2/A185GXXS1AZJ1
TUNTunisiaOct 13, 2026+1 dayA185GXXS1AZJ1/A185GOJM1AZJ2/A185GXXS1AZJ1
XSGUnited Arab EmiratesOct 13, 2026+1 dayA185GXXS1AZJ1/A185GOJM1AZJ2/A185GXXS1AZJ1
ACRGhanaOct 13, 2026+1 dayA185GXXS1AZJ1/A185GOJM1AZJ1/A185GXXS1AZJ1
AFRAfricaOct 13, 2026+1 dayA185GXXS1AZJ1/A185GOJM1AZJ1/A185GXXS1AZJ1
DKRSenegalOct 13, 2026+1 dayA185GXXS1AZJ1/A185GOJM1AZJ1/A185GXXS1AZJ1
ECTNigeriaOct 13, 2026+1 dayA185GXXS1AZJ1/A185GOJM1AZJ1/A185GXXS1AZJ1
EGYEgyptOct 13, 2026+1 dayA185GXXS1AZJ1/A185GOJM1AZJ1/A185GXXS1AZJ1
MWDMoroccoOct 13, 2026+1 dayA185GXXS1AZJ1/A185GOJM1AZJ1/A185GXXS1AZJ1
PKDPakistanOct 13, 2026+1 dayA185GXXS1AZJ1/A185GOJM1AZJ1/A185GXXS1AZJ1
XFASouth AfricaOct 13, 2026+1 dayA185GXXS1AZJ1/A185GOJM1AZJ1/A185GXXS1AZJ1
XFVSouth Africa (Vodacom)Oct 13, 2026+1 dayA185GXXS1AZJ1/A185GOJM1AZJ1/A185GXXS1AZJ1
MM1Singapore (M1)Oct 18, 2026+6 daysA185GXXS1AZJ1/A185GOLM1AZJ1/A185GXXS1AZJ1
SINSingapore (Singtel)Oct 18, 2026+6 daysA185GXXS1AZJ1/A185GOLM1AZJ1/A185GXXS1AZJ1
STHSingapore (StarHub)Oct 18, 2026+6 daysA185GXXS1AZJ1/A185GOLM1AZJ1/A185GXXS1AZJ1
XSPSingaporeOct 18, 2026+6 daysA185GXXS1AZJ1/A185GOLM1AZJ1/A185GXXS1AZJ1
AROArgentinaOct 29, 2026+17 daysA185GXXS1AZJ1/A185GOWO1AZJ1/A185GXXS1AZJ1
BVOBoliviaOct 29, 2026+17 daysA185GXXS1AZJ1/A185GOWO1AZJ1/A185GXXS1AZJ1
CGUGuatemala (Claro)Oct 29, 2026+17 daysA185GXXS1AZJ1/A185GOWO1AZJ1/A185GXXS1AZJ1
COLColombiaOct 29, 2026+17 daysA185GXXS1AZJ1/A185GOWO1AZJ1/A185GXXS1AZJ1
COMColombia (Claro)Oct 29, 2026+17 daysA185GXXS1AZJ1/A185GOWO1AZJ1/A185GXXS1AZJ1
COOColombiaOct 29, 2026+17 daysA185GXXS1AZJ1/A185GOWO1AZJ1/A185GXXS1AZJ1
CTIArgentina (Claro)Oct 29, 2026+17 daysA185GXXS1AZJ1/A185GOWO1AZJ1/A185GXXS1AZJ1
ECOEcuadorOct 29, 2026+17 daysA185GXXS1AZJ1/A185GOWO1AZJ1/A185GXXS1AZJ1
GTOGuatemalaOct 29, 2026+17 daysA185GXXS1AZJ1/A185GOWO1AZJ1/A185GXXS1AZJ1
IUSMexico (AT&T)Oct 29, 2026+17 daysA185GXXS1AZJ1/A185GOWO1AZJ1/A185GXXS1AZJ1
MXOMexicoOct 29, 2026+17 daysA185GXXS1AZJ1/A185GOWO1AZJ1/A185GXXS1AZJ1
PEOPeruOct 29, 2026+17 daysA185GXXS1AZJ1/A185GOWO1AZJ1/A185GXXS1AZJ1
PETPeru (Movistar)Oct 29, 2026+17 daysA185GXXS1AZJ1/A185GOWO1AZJ1/A185GXXS1AZJ1
PGUGuatemalaOct 29, 2026+17 daysA185GXXS1AZJ1/A185GOWO1AZJ1/A185GXXS1AZJ1
PNTPanamaOct 29, 2026+17 daysA185GXXS1AZJ1/A185GOWO1AZJ1/A185GXXS1AZJ1
PSNArgentina (Personal)Oct 29, 2026+17 daysA185GXXS1AZJ1/A185GOWO1AZJ1/A185GXXS1AZJ1
SAMOceaniaOct 29, 2026+17 daysA185GXXS1AZJ1/A185GOWO1AZJ1/A185GXXS1AZJ1
TCEMexico (Telcel)Oct 29, 2026+17 daysA185GXXS1AZJ1/A185GOWO1AZJ1/A185GXXS1AZJ1
UFNArgentina (Movistar)Oct 29, 2026+17 daysA185GXXS1AZJ1/A185GOWO1AZJ1/A185GXXS1AZJ1
UPOUruguayOct 29, 2026+17 daysA185GXXS1AZJ1/A185GOWO1AZJ1/A185GXXS1AZJ1
UYOUruguayOct 29, 2026+17 daysA185GXXS1AZJ1/A185GOWO1AZJ1/A185GXXS1AZJ1
ZTMBrazil (TIM)Oct 29, 2026+17 daysA185GXXS1AZJ1/A185GOWO1AZJ1/A185GXXS1AZJ1
ZTOBrazilOct 29, 2026+17 daysA185GXXS1AZJ1/A185GOWO1AZJ1/A185GXXS1AZJ1
ZVVBrazil (Vivo)Oct 29, 2026+17 daysA185GXXS1AZJ1/A185GOWO1AZJ1/A185GXXS1AZJ1

Download and release notes

samloader download -m SM-A185G -r XSA -v A185GXXS1AZJ1/A185GOLM1AZJ1/A185GXXS1AZJ1

Samsung's release notes and security patch level for this update: SM-A185G / XSA on doc.samsungmobile.com. What each part of the build number means: decode A185GXXS1AZJ1.