A356BXXUCEZJ2 – Galaxy A35 5G firmware

Build A356BXXUCEZJ2 is a feature update for the Galaxy A35 5G (SM-A356B) on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 26, 2026 (method) and has reached 16 regions so far. It keeps bootloader bit 12, so downgrading to the previous build A356BXXSCDZH1 is still possible. Samsung still serves this file.

Model
SM-A356B
Android
Android 17
Type
Feature
Bootloader bit
12
First released
Oct 26, 2026
Regions
16

Rollout timeline by region

The date each region code (CSC) first received A356BXXUCEZJ2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BOGFrance (Bouygues)Oct 26, 2026day 0A356BXXUCEZJ2/A356BOXMCEZJ2/A356BXXUCEZJ2
EUXEurope (Multi-CSC)Oct 26, 2026day 0A356BXXUCEZJ2/A356BOXMCEZJ2/A356BXXUCEZJ2
EUYEurope (Multi-CSC)Oct 26, 2026day 0A356BXXUCEZJ2/A356BOXMCEZJ2/A356BXXUCEZJ2
EVRUnited Kingdom (EE)Oct 26, 2026day 0A356BXXUCEZJ2/A356BOXMCEZJ2/A356BXXUCEZJ2
MEOPortugal (MEO)Oct 26, 2026day 0A356BXXUCEZJ2/A356BOXMCEZJ2/A356BXXUCEZJ2
MOBAustria (A1)Oct 26, 2026day 0A356BXXUCEZJ2/A356BOXMCEZJ2/A356BXXUCEZJ2
MOTSlovenia (Telekom)Oct 26, 2026day 0A356BXXUCEZJ2/A356BOXMCEZJ2/A356BXXUCEZJ2
MSRSerbiaOct 26, 2026day 0A356BXXUCEZJ2/A356BOXMCEZJ2/A356BXXUCEZJ2
O2CCzech Republic (O2)Oct 26, 2026day 0A356BXXUCEZJ2/A356BOXMCEZJ2/A356BXXUCEZJ2
PLSPoland (Plus)Oct 26, 2026day 0A356BXXUCEZJ2/A356BOXMCEZJ2/A356BXXUCEZJ2
PRTPoland (Play)Oct 26, 2026day 0A356BXXUCEZJ2/A356BOXMCEZJ2/A356BXXUCEZJ2
SFRFrance (SFR)Oct 26, 2026day 0A356BXXUCEZJ2/A356BOXMCEZJ2/A356BXXUCEZJ2
SIMSlovenia (A1)Oct 26, 2026day 0A356BXXUCEZJ2/A356BOXMCEZJ2/A356BXXUCEZJ2
SWCSwitzerlandOct 26, 2026day 0A356BXXUCEZJ2/A356BOXMCEZJ2/A356BXXUCEZJ2
TOPSerbia/MontenegroOct 26, 2026day 0A356BXXUCEZJ2/A356BOXMCEZJ2/A356BXXUCEZJ2
VIPCroatia (A1)Oct 26, 2026day 0A356BXXUCEZJ2/A356BOXMCEZJ2/A356BXXUCEZJ2

Download and release notes

samloader download -m SM-A356B -r EUX -v A356BXXUCEZJ2/A356BOXMCEZJ2/A356BXXUCEZJ2

Samsung's release notes and security patch level for this update: SM-A356B / EUX on doc.samsungmobile.com. What each part of the build number means: decode A356BXXUCEZJ2.