A336MUBSHGZB6 – Galaxy A33 5G firmware

Build A336MUBSHGZB6 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 Mar 9, 2026 (method) and has reached 37 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 A336MUBSGGZA1 is blocked. Samsung still serves this file.

Model
SM-A336M
Android
Android 16
Type
Security
Bootloader bit
17
First released
Mar 9, 2026
Regions
37

Rollout timeline by region

The date each region code (CSC) first received A336MUBSHGZB6, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
AROArgentinaMar 9, 2026day 0A336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
BVOBoliviaMar 9, 2026day 0A336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
COBColombia (Movistar)Mar 9, 2026day 0A336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
COLColombiaMar 9, 2026day 0A336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
COOColombiaMar 9, 2026day 0A336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
CTIArgentina (Claro)Mar 9, 2026day 0A336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
GTOGuatemalaMar 9, 2026day 0A336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
IUSMexico (AT&T)Mar 9, 2026day 0A336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
MXOMexicoMar 9, 2026day 0A336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
PSNArgentina (Personal)Mar 9, 2026day 0A336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
TCEMexico (Telcel)Mar 9, 2026day 0A336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
TMMMyanmarMar 9, 2026day 0A336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
TPAPanamaMar 9, 2026day 0A336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
UFNArgentina (Movistar)Mar 9, 2026day 0A336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
UYOUruguayMar 9, 2026day 0A336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
ZTABrazil (Claro)Mar 9, 2026day 0A336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
ZTMBrazil (TIM)Mar 9, 2026day 0A336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
ZTOBrazilMar 9, 2026day 0A336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
ZVVBrazil (Vivo)Mar 9, 2026day 0A336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
DORDominican RepublicMar 10, 2026+1 dayA336MUBSHGZB6/A336MOWEHGZB6/A336MUBSHGZB1
COMColombia (Claro)Mar 10, 2026+1 dayA336MUBSHGZB6/A336MOWAHGZB6/A336MUBSHGZB1
CRCCosta RicaMar 10, 2026+1 dayA336MUBSHGZB6/A336MOWAHGZB6/A336MUBSHGZB1
ECOEcuadorMar 10, 2026+1 dayA336MUBSHGZB6/A336MOWAHGZB6/A336MUBSHGZB1
CGUGuatemala (Claro)Mar 10, 2026+1 dayA336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
EBEEcuadorMar 10, 2026+1 dayA336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
PEOPeruMar 10, 2026+1 dayA336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
PETPeru (Movistar)Mar 10, 2026+1 dayA336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
PNTPanamaMar 10, 2026+1 dayA336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
CDRDominican RepublicMar 10, 2026+1 dayA336MUBSHGZB6/A336MOWAHGZB6/A336MUBSHGZB1
PGUGuatemalaMar 10, 2026+1 dayA336MUBSHGZB6/A336MOWAHGZB6/A336MUBSHGZB1
SAMOceaniaMar 10, 2026+1 dayA336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
UPOUruguayMar 10, 2026+1 dayA336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
CHEChile (Entel)Mar 16, 2026+7 daysA336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
CHLChile (Claro)Mar 16, 2026+7 daysA336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
CHOChileMar 16, 2026+7 daysA336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
CHTChile (Movistar)Mar 16, 2026+7 daysA336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1
CHXChileMar 16, 2026+7 daysA336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1

Download and release notes

samloader download -m SM-A336M -r ARO -v A336MUBSHGZB6/A336MOWOHGZB6/A336MUBSHGZB1

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 A336MUBSHGZB6.