A336BXXSJGZG3 – Galaxy A33 5G firmware

Build A336BXXSJGZG3 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 Jul 26, 2026 (method) and has reached 22 regions so far. It raises the bootloader bit from 18 to 19: once installed, the device no longer accepts firmware with bit 18 or lower, so a downgrade to A336BXXSIGZE1 is blocked. Samsung still serves this file.

Model
SM-A336B
Android
Android 16
Type
Security
Bootloader bit
19
First released
Jul 26, 2026
Regions
22

Rollout timeline by region

The date each region code (CSC) first received A336BXXSJGZG3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BOGFrance (Bouygues)Jul 26, 2026day 0A336BXXSJGZG3/A336BOXMJGZG3/A336BXXSJGZG3
BTBUnited Kingdom (BT)Jul 26, 2026day 0A336BXXSJGZG3/A336BOXMJGZG3/A336BXXSJGZG3
CAUCaucasusJul 26, 2026day 0A336BXXSJGZG3/A336BOXMJGZG3/A336BXXSJGZG3
EUXEurope (Multi-CSC)Jul 26, 2026day 0A336BXXSJGZG3/A336BOXMJGZG3/A336BXXSJGZG3
EUYEurope (Multi-CSC)Jul 26, 2026day 0A336BXXSJGZG3/A336BOXMJGZG3/A336BXXSJGZG3
EVRUnited Kingdom (EE)Jul 26, 2026day 0A336BXXSJGZG3/A336BOXMJGZG3/A336BXXSJGZG3
MEOPortugal (MEO)Jul 26, 2026day 0A336BXXSJGZG3/A336BOXMJGZG3/A336BXXSJGZG3
MOBAustria (A1)Jul 26, 2026day 0A336BXXSJGZG3/A336BOXMJGZG3/A336BXXSJGZG3
MOTSlovenia (Telekom)Jul 26, 2026day 0A336BXXSJGZG3/A336BOXMJGZG3/A336BXXSJGZG3
MSRSerbiaJul 26, 2026day 0A336BXXSJGZG3/A336BOXMJGZG3/A336BXXSJGZG3
O2CCzech Republic (O2)Jul 26, 2026day 0A336BXXSJGZG3/A336BOXMJGZG3/A336BXXSJGZG3
PLSPoland (Plus)Jul 26, 2026day 0A336BXXSJGZG3/A336BOXMJGZG3/A336BXXSJGZG3
PRTPoland (Play)Jul 26, 2026day 0A336BXXSJGZG3/A336BOXMJGZG3/A336BXXSJGZG3
SEKUkraineJul 26, 2026day 0A336BXXSJGZG3/A336BOXMJGZG3/A336BXXSJGZG3
SERRussiaJul 26, 2026day 0A336BXXSJGZG3/A336BOXMJGZG3/A336BXXSJGZG3
SFRFrance (SFR)Jul 26, 2026day 0A336BXXSJGZG3/A336BOXMJGZG3/A336BXXSJGZG3
SIMSlovenia (A1)Jul 26, 2026day 0A336BXXSJGZG3/A336BOXMJGZG3/A336BXXSJGZG3
SKZKazakhstanJul 26, 2026day 0A336BXXSJGZG3/A336BOXMJGZG3/A336BXXSJGZG3
SWCSwitzerlandJul 26, 2026day 0A336BXXSJGZG3/A336BOXMJGZG3/A336BXXSJGZG3
TIMItaly (TIM)Jul 26, 2026day 0A336BXXSJGZG3/A336BOXMJGZG3/A336BXXSJGZG3
TOPSerbia/MontenegroJul 26, 2026day 0A336BXXSJGZG3/A336BOXMJGZG3/A336BXXSJGZG3
VIPCroatia (A1)Jul 26, 2026day 0A336BXXSJGZG3/A336BOXMJGZG3/A336BXXSJGZG3

Download and release notes

samloader download -m SM-A336B -r EUX -v A336BXXSJGZG3/A336BOXMJGZG3/A336BXXSJGZG3

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 A336BXXSJGZG3.