A185FXXS1AZI4 – Galaxy A18 firmware

Build A185FXXS1AZI4 is a security update for the Galaxy A18 (SM-A185F) on Android 17 (One UI 9). It first appeared on Samsung's servers on Sep 30, 2026 (method) and has reached 7 regions so far. It keeps bootloader bit 1, so downgrading to the previous build A185FXXU1AZHG is still possible. Samsung still serves this file.

Model
SM-A185F
Android
Android 17
Type
Security
Bootloader bit
1
First released
Sep 30, 2026
Regions
7

Rollout timeline by region

The date each region code (CSC) first received A185FXXS1AZI4, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
CAUCaucasusSep 30, 2026day 0A185FXXS1AZI4/A185FOXM1AZI4/A185FXXS1AZI4
SKZKazakhstanSep 30, 2026day 0A185FXXS1AZI4/A185FOXM1AZI4/A185FXXS1AZI4
TURTurkeySep 30, 2026day 0A185FXXS1AZI4/A185FOXM1AZI4/A185FXXS1AZI4
EUXEurope (Multi-CSC)Oct 1, 2026+1 dayA185FXXS1AZI4/A185FOXM1AZI4/A185FXXS1AZI4
EUYEurope (Multi-CSC)Oct 1, 2026+1 dayA185FXXS1AZI4/A185FOXM1AZI4/A185FXXS1AZI4
PLSPoland (Plus)Oct 1, 2026+1 dayA185FXXS1AZI4/A185FOXM1AZI4/A185FXXS1AZI4
ILOIsraelOct 4, 2026+4 daysA185FXXS1AZI4/A185FOXM1AZI4/A185FXXS1AZI4

Download and release notes

samloader download -m SM-A185F -r EUX -v A185FXXS1AZI4/A185FOXM1AZI4/A185FXXS1AZI4

Samsung's release notes and security patch level for this update: SM-A185F / EUX on doc.samsungmobile.com. What each part of the build number means: decode A185FXXS1AZI4.