A336BXXSKGZH2 – Galaxy A33 5G firmware

Build A336BXXSKGZH2 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 Sep 7, 2026 (method) and has reached 22 regions so far. It raises the bootloader bit from 19 to 20: once installed, the device no longer accepts firmware with bit 19 or lower, so a downgrade to A336BXXSJGZG3 is blocked. Samsung still serves this file.

Model
SM-A336B
Android
Android 16
Type
Security
Bootloader bit
20
First released
Sep 7, 2026
Regions
22

Rollout timeline by region

The date each region code (CSC) first received A336BXXSKGZH2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BOGFrance (Bouygues)Sep 7, 2026day 0A336BXXSKGZH2/A336BOXMKGZH2/A336BXXSKGZH2
BTBUnited Kingdom (BT)Sep 7, 2026day 0A336BXXSKGZH2/A336BOXMKGZH2/A336BXXSKGZH2
CAUCaucasusSep 7, 2026day 0A336BXXSKGZH2/A336BOXMKGZH2/A336BXXSKGZH2
EUXEurope (Multi-CSC)Sep 7, 2026day 0A336BXXSKGZH2/A336BOXMKGZH2/A336BXXSKGZH2
EUYEurope (Multi-CSC)Sep 7, 2026day 0A336BXXSKGZH2/A336BOXMKGZH2/A336BXXSKGZH2
EVRUnited Kingdom (EE)Sep 7, 2026day 0A336BXXSKGZH2/A336BOXMKGZH2/A336BXXSKGZH2
MEOPortugal (MEO)Sep 7, 2026day 0A336BXXSKGZH2/A336BOXMKGZH2/A336BXXSKGZH2
MOBAustria (A1)Sep 7, 2026day 0A336BXXSKGZH2/A336BOXMKGZH2/A336BXXSKGZH2
MOTSlovenia (Telekom)Sep 7, 2026day 0A336BXXSKGZH2/A336BOXMKGZH2/A336BXXSKGZH2
MSRSerbiaSep 7, 2026day 0A336BXXSKGZH2/A336BOXMKGZH2/A336BXXSKGZH2
O2CCzech Republic (O2)Sep 7, 2026day 0A336BXXSKGZH2/A336BOXMKGZH2/A336BXXSKGZH2
PLSPoland (Plus)Sep 7, 2026day 0A336BXXSKGZH2/A336BOXMKGZH2/A336BXXSKGZH2
PRTPoland (Play)Sep 7, 2026day 0A336BXXSKGZH2/A336BOXMKGZH2/A336BXXSKGZH2
SEKUkraineSep 7, 2026day 0A336BXXSKGZH2/A336BOXMKGZH2/A336BXXSKGZH2
SERRussiaSep 7, 2026day 0A336BXXSKGZH2/A336BOXMKGZH2/A336BXXSKGZH2
SFRFrance (SFR)Sep 7, 2026day 0A336BXXSKGZH2/A336BOXMKGZH2/A336BXXSKGZH2
SIMSlovenia (A1)Sep 7, 2026day 0A336BXXSKGZH2/A336BOXMKGZH2/A336BXXSKGZH2
SKZKazakhstanSep 7, 2026day 0A336BXXSKGZH2/A336BOXMKGZH2/A336BXXSKGZH2
SWCSwitzerlandSep 7, 2026day 0A336BXXSKGZH2/A336BOXMKGZH2/A336BXXSKGZH2
TIMItaly (TIM)Sep 7, 2026day 0A336BXXSKGZH2/A336BOXMKGZH2/A336BXXSKGZH2
TOPSerbia/MontenegroSep 7, 2026day 0A336BXXSKGZH2/A336BOXMKGZH2/A336BXXSKGZH2
VIPCroatia (A1)Sep 7, 2026day 0A336BXXSKGZH2/A336BOXMKGZH2/A336BXXSKGZH2

Download and release notes

samloader download -m SM-A336B -r EUX -v A336BXXSKGZH2/A336BOXMKGZH2/A336BXXSKGZH2

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 A336BXXSKGZH2.