A336MUBSKGZH2 – Galaxy A33 5G firmware

Build A336MUBSKGZH2 is a security update for the Galaxy A33 5G (SM-A336M) on Android 16 (One UI 8). It first appeared on Samsung's servers on Sep 9, 2026 (method) and has reached 37 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 A336MUBSJGZG3 is blocked. Samsung still serves this file.

Model
SM-A336M
Android
Android 16
Type
Security
Bootloader bit
20
First released
Sep 9, 2026
Regions
37

Rollout timeline by region

The date each region code (CSC) first received A336MUBSKGZH2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
AROArgentinaSep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
BVOBoliviaSep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
CDRDominican RepublicSep 9, 2026day 0A336MUBSKGZH2/A336MOWAKGZH2/A336MUBSKGZH2
CGUGuatemala (Claro)Sep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
CHEChile (Entel)Sep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
CHLChile (Claro)Sep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
CHOChileSep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
CHTChile (Movistar)Sep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
CHXChileSep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
DORDominican RepublicSep 9, 2026day 0A336MUBSKGZH2/A336MOWEKGZH2/A336MUBSKGZH2
EBEEcuadorSep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
ECOEcuadorSep 9, 2026day 0A336MUBSKGZH2/A336MOWAKGZH2/A336MUBSKGZH2
GTOGuatemalaSep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
IUSMexico (AT&T)Sep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
TMMMyanmarSep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
TPAPanamaSep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
UPOUruguaySep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
UYOUruguaySep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
ZTABrazil (Claro)Sep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
ZTMBrazil (TIM)Sep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
PNTPanamaSep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
ZTOBrazilSep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
ZVVBrazil (Vivo)Sep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
PSNArgentina (Personal)Sep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
CRCCosta RicaSep 9, 2026day 0A336MUBSKGZH2/A336MOWAKGZH2/A336MUBSKGZH2
COMColombia (Claro)Sep 9, 2026day 0A336MUBSKGZH2/A336MOWAKGZH2/A336MUBSKGZH2
COLColombiaSep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
COBColombia (Movistar)Sep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
COOColombiaSep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
CTIArgentina (Claro)Sep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
MXOMexicoSep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
PEOPeruSep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
PETPeru (Movistar)Sep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
PGUGuatemalaSep 9, 2026day 0A336MUBSKGZH2/A336MOWAKGZH2/A336MUBSKGZH2
SAMOceaniaSep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
UFNArgentina (Movistar)Sep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2
TCEMexico (Telcel)Sep 9, 2026day 0A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2

Download and release notes

samloader download -m SM-A336M -r ARO -v A336MUBSKGZH2/A336MOWOKGZH2/A336MUBSKGZH2

Samsung's release notes and security patch level for this update: SM-A336M / ARO on doc.samsungmobile.com. What each part of the build number means: decode A336MUBSKGZH2.