A336BXXSHGZB6 – Galaxy A33 5G firmware

Build A336BXXSHGZB6 is a security update for the Galaxy A33 5G (SM-A336B) on Android 16 (One UI 8). It first appeared on Samsung's servers on Mar 8, 2026 (method) and has reached 22 regions so far. It raises the bootloader bit from 16 to 17: once installed, the device no longer accepts firmware with bit 16 or lower, so a downgrade to A336BXXSGGZA1 is blocked. Samsung still serves this file.

Model
SM-A336B
Android
Android 16
Type
Security
Bootloader bit
17
First released
Mar 8, 2026
Regions
22

Rollout timeline by region

The date each region code (CSC) first received A336BXXSHGZB6, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BOGFrance (Bouygues)Mar 8, 2026day 0A336BXXSHGZB6/A336BOXMHGZB6/A336BXXSHGZB1
BTBUnited Kingdom (BT)Mar 8, 2026day 0A336BXXSHGZB6/A336BOXMHGZB6/A336BXXSHGZB1
CAUCaucasusMar 8, 2026day 0A336BXXSHGZB6/A336BOXMHGZB6/A336BXXSHGZB1
EUXEurope (Multi-CSC)Mar 8, 2026day 0A336BXXSHGZB6/A336BOXMHGZB6/A336BXXSHGZB1
EUYEurope (Multi-CSC)Mar 8, 2026day 0A336BXXSHGZB6/A336BOXMHGZB6/A336BXXSHGZB1
EVRUnited Kingdom (EE)Mar 8, 2026day 0A336BXXSHGZB6/A336BOXMHGZB6/A336BXXSHGZB1
MEOPortugal (MEO)Mar 8, 2026day 0A336BXXSHGZB6/A336BOXMHGZB6/A336BXXSHGZB1
MOBAustria (A1)Mar 8, 2026day 0A336BXXSHGZB6/A336BOXMHGZB6/A336BXXSHGZB1
MOTSlovenia (Telekom)Mar 8, 2026day 0A336BXXSHGZB6/A336BOXMHGZB6/A336BXXSHGZB1
MSRSerbiaMar 8, 2026day 0A336BXXSHGZB6/A336BOXMHGZB6/A336BXXSHGZB1
O2CCzech Republic (O2)Mar 8, 2026day 0A336BXXSHGZB6/A336BOXMHGZB6/A336BXXSHGZB1
PRTPoland (Play)Mar 8, 2026day 0A336BXXSHGZB6/A336BOXMHGZB6/A336BXXSHGZB1
SEKUkraineMar 8, 2026day 0A336BXXSHGZB6/A336BOXMHGZB6/A336BXXSHGZB1
SERRussiaMar 8, 2026day 0A336BXXSHGZB6/A336BOXMHGZB6/A336BXXSHGZB1
SFRFrance (SFR)Mar 8, 2026day 0A336BXXSHGZB6/A336BOXMHGZB6/A336BXXSHGZB1
SIMSlovenia (A1)Mar 8, 2026day 0A336BXXSHGZB6/A336BOXMHGZB6/A336BXXSHGZB1
SKZKazakhstanMar 8, 2026day 0A336BXXSHGZB6/A336BOXMHGZB6/A336BXXSHGZB1
SWCSwitzerlandMar 8, 2026day 0A336BXXSHGZB6/A336BOXMHGZB6/A336BXXSHGZB1
TIMItaly (TIM)Mar 8, 2026day 0A336BXXSHGZB6/A336BOXMHGZB6/A336BXXSHGZB1
TOPSerbia/MontenegroMar 8, 2026day 0A336BXXSHGZB6/A336BOXMHGZB6/A336BXXSHGZB1
VIPCroatia (A1)Mar 8, 2026day 0A336BXXSHGZB6/A336BOXMHGZB6/A336BXXSHGZB1
PLSPoland (Plus)Mar 8, 2026day 0A336BXXSHGZB6/A336BOXMHGZB6/A336BXXSHGZB1

Download and release notes

samloader download -m SM-A336B -r EUX -v A336BXXSHGZB6/A336BOXMHGZB6/A336BXXSHGZB1

Samsung's release notes and security patch level for this update: SM-A336B / EUX on doc.samsungmobile.com. What each part of the build number means: decode A336BXXSHGZB6.