A366EXXSBCZG3 – Galaxy A36 5G firmware

Build A366EXXSBCZG3 is a security update for the Galaxy A36 5G (SM-A366E) on Android 16 (One UI 8). It first appeared on Samsung's servers on Aug 4, 2026 (method) and has reached 38 regions so far. It keeps bootloader bit 11, so downgrading to the previous build A366EXXSBCZG2 is still possible. Samsung still serves this file.

Model
SM-A366E
Android
Android 16
Type
Security
Bootloader bit
11
First released
Aug 4, 2026
Regions
38

Rollout timeline by region

The date each region code (CSC) first received A366EXXSBCZG3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
AROArgentinaAug 4, 2026day 0A366EXXSBCZG3/A366EOWOBCZG3/A366EXXSBCZG3
BVOBoliviaAug 4, 2026day 0A366EXXSBCZG3/A366EOWOBCZG3/A366EXXSBCZG3
CDRDominican RepublicAug 4, 2026day 0A366EXXSBCZG3/A366EOWOBCZG3/A366EXXSBCZG3
CTIArgentina (Claro)Aug 4, 2026day 0A366EXXSBCZG3/A366EOWOBCZG3/A366EXXSBCZG3
GTOGuatemalaAug 4, 2026day 0A366EXXSBCZG3/A366EOWOBCZG3/A366EXXSBCZG3
IUSMexico (AT&T)Aug 4, 2026day 0A366EXXSBCZG3/A366EOWOBCZG3/A366EXXSBCZG3
MXOMexicoAug 4, 2026day 0A366EXXSBCZG3/A366EOWOBCZG3/A366EXXSBCZG3
PSNArgentina (Personal)Aug 4, 2026day 0A366EXXSBCZG3/A366EOWOBCZG3/A366EXXSBCZG3
TCEMexico (Telcel)Aug 4, 2026day 0A366EXXSBCZG3/A366EOWOBCZG3/A366EXXSBCZG3
TGPParaguayAug 4, 2026day 0A366EXXSBCZG3/A366EOWOBCZG3/A366EXXSBCZG3
TMMMyanmarAug 4, 2026day 0A366EXXSBCZG3/A366EOWOBCZG3/A366EXXSBCZG3
TPAPanamaAug 4, 2026day 0A366EXXSBCZG3/A366EOWOBCZG3/A366EXXSBCZG3
UFNArgentina (Movistar)Aug 4, 2026day 0A366EXXSBCZG3/A366EOWOBCZG3/A366EXXSBCZG3
UPOUruguayAug 4, 2026day 0A366EXXSBCZG3/A366EOWOBCZG3/A366EXXSBCZG3
UYOUruguayAug 4, 2026day 0A366EXXSBCZG3/A366EOWOBCZG3/A366EXXSBCZG3
ZTABrazil (Claro)Aug 4, 2026day 0A366EXXSBCZG3/A366EOWOBCZG3/A366EXXSBCZG3
ZTMBrazil (TIM)Aug 4, 2026day 0A366EXXSBCZG3/A366EOWOBCZG3/A366EXXSBCZG3
ZTOBrazilAug 4, 2026day 0A366EXXSBCZG3/A366EOWOBCZG3/A366EXXSBCZG3
ZVVBrazil (Vivo)Aug 4, 2026day 0A366EXXSBCZG3/A366EOWOBCZG3/A366EXXSBCZG3
CGUGuatemala (Claro)Aug 4, 2026day 0A366EXXSBCZG3/A366EOWBBCZG3/A366EXXSBCZG3
CHEChile (Entel)Aug 4, 2026day 0A366EXXSBCZG3/A366EOWBBCZG3/A366EXXSBCZG3
CHLChile (Claro)Aug 4, 2026day 0A366EXXSBCZG3/A366EOWBBCZG3/A366EXXSBCZG3
CHOChileAug 4, 2026day 0A366EXXSBCZG3/A366EOWBBCZG3/A366EXXSBCZG3
CHTChile (Movistar)Aug 4, 2026day 0A366EXXSBCZG3/A366EOWBBCZG3/A366EXXSBCZG3
COBColombia (Movistar)Aug 4, 2026day 0A366EXXSBCZG3/A366EOWBBCZG3/A366EXXSBCZG3
COLColombiaAug 4, 2026day 0A366EXXSBCZG3/A366EOWBBCZG3/A366EXXSBCZG3
COMColombia (Claro)Aug 4, 2026day 0A366EXXSBCZG3/A366EOWBBCZG3/A366EXXSBCZG3
COOColombiaAug 4, 2026day 0A366EXXSBCZG3/A366EOWBBCZG3/A366EXXSBCZG3
CRCCosta RicaAug 4, 2026day 0A366EXXSBCZG3/A366EOWBBCZG3/A366EXXSBCZG3
DORDominican RepublicAug 4, 2026day 0A366EXXSBCZG3/A366EOWBBCZG3/A366EXXSBCZG3
EBEEcuadorAug 4, 2026day 0A366EXXSBCZG3/A366EOWBBCZG3/A366EXXSBCZG3
ECOEcuadorAug 4, 2026day 0A366EXXSBCZG3/A366EOWBBCZG3/A366EXXSBCZG3
GLONigeria (Glo)Aug 4, 2026day 0A366EXXSBCZG3/A366EOWBBCZG3/A366EXXSBCZG3
PEOPeruAug 4, 2026day 0A366EXXSBCZG3/A366EOWBBCZG3/A366EXXSBCZG3
PETPeru (Movistar)Aug 4, 2026day 0A366EXXSBCZG3/A366EOWBBCZG3/A366EXXSBCZG3
PGUGuatemalaAug 4, 2026day 0A366EXXSBCZG3/A366EOWBBCZG3/A366EXXSBCZG3
PNTPanamaAug 4, 2026day 0A366EXXSBCZG3/A366EOWBBCZG3/A366EXXSBCZG3
SAMOceaniaAug 4, 2026day 0A366EXXSBCZG3/A366EOWBBCZG3/A366EXXSBCZG3

Download and release notes

samloader download -m SM-A366E -r ARO -v A366EXXSBCZG3/A366EOWOBCZG3/A366EXXSBCZG3

Samsung's release notes and security patch level for this update: SM-A366E / ARO on doc.samsungmobile.com. What each part of the build number means: decode A366EXXSBCZG3.