A366EXXSCCZH3 – Galaxy A36 5G firmware

Build A366EXXSCCZH3 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 Sep 3, 2026 (method) and has reached 38 regions so far. It keeps bootloader bit 12, so downgrading to the previous build A366EXXSCCZH1 is still possible. Samsung still serves this file.

Model
SM-A366E
Android
Android 16
Type
Security
Bootloader bit
12
First released
Sep 3, 2026
Regions
38

Rollout timeline by region

The date each region code (CSC) first received A366EXXSCCZH3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
AROArgentinaSep 3, 2026day 0A366EXXSCCZH3/A366EOWOCCZH3/A366EXXSCCZH3
BVOBoliviaSep 3, 2026day 0A366EXXSCCZH3/A366EOWOCCZH3/A366EXXSCCZH3
CDRDominican RepublicSep 3, 2026day 0A366EXXSCCZH3/A366EOWOCCZH3/A366EXXSCCZH3
CTIArgentina (Claro)Sep 3, 2026day 0A366EXXSCCZH3/A366EOWOCCZH3/A366EXXSCCZH3
GTOGuatemalaSep 3, 2026day 0A366EXXSCCZH3/A366EOWOCCZH3/A366EXXSCCZH3
IUSMexico (AT&T)Sep 3, 2026day 0A366EXXSCCZH3/A366EOWOCCZH3/A366EXXSCCZH3
MXOMexicoSep 3, 2026day 0A366EXXSCCZH3/A366EOWOCCZH3/A366EXXSCCZH3
PSNArgentina (Personal)Sep 3, 2026day 0A366EXXSCCZH3/A366EOWOCCZH3/A366EXXSCCZH3
TCEMexico (Telcel)Sep 3, 2026day 0A366EXXSCCZH3/A366EOWOCCZH3/A366EXXSCCZH3
TGPParaguaySep 3, 2026day 0A366EXXSCCZH3/A366EOWOCCZH3/A366EXXSCCZH3
TMMMyanmarSep 3, 2026day 0A366EXXSCCZH3/A366EOWOCCZH3/A366EXXSCCZH3
TPAPanamaSep 3, 2026day 0A366EXXSCCZH3/A366EOWOCCZH3/A366EXXSCCZH3
UFNArgentina (Movistar)Sep 3, 2026day 0A366EXXSCCZH3/A366EOWOCCZH3/A366EXXSCCZH3
UPOUruguaySep 3, 2026day 0A366EXXSCCZH3/A366EOWOCCZH3/A366EXXSCCZH3
UYOUruguaySep 3, 2026day 0A366EXXSCCZH3/A366EOWOCCZH3/A366EXXSCCZH3
ZTABrazil (Claro)Sep 3, 2026day 0A366EXXSCCZH3/A366EOWOCCZH3/A366EXXSCCZH3
ZTMBrazil (TIM)Sep 3, 2026day 0A366EXXSCCZH3/A366EOWOCCZH3/A366EXXSCCZH3
ZTOBrazilSep 3, 2026day 0A366EXXSCCZH3/A366EOWOCCZH3/A366EXXSCCZH3
ZVVBrazil (Vivo)Sep 3, 2026day 0A366EXXSCCZH3/A366EOWOCCZH3/A366EXXSCCZH3
CGUGuatemala (Claro)Sep 3, 2026day 0A366EXXSCCZH3/A366EOWBCCZH3/A366EXXSCCZH3
CHEChile (Entel)Sep 3, 2026day 0A366EXXSCCZH3/A366EOWBCCZH3/A366EXXSCCZH3
CHLChile (Claro)Sep 3, 2026day 0A366EXXSCCZH3/A366EOWBCCZH3/A366EXXSCCZH3
CHOChileSep 3, 2026day 0A366EXXSCCZH3/A366EOWBCCZH3/A366EXXSCCZH3
CHTChile (Movistar)Sep 3, 2026day 0A366EXXSCCZH3/A366EOWBCCZH3/A366EXXSCCZH3
COBColombia (Movistar)Sep 3, 2026day 0A366EXXSCCZH3/A366EOWBCCZH3/A366EXXSCCZH3
COLColombiaSep 3, 2026day 0A366EXXSCCZH3/A366EOWBCCZH3/A366EXXSCCZH3
COMColombia (Claro)Sep 3, 2026day 0A366EXXSCCZH3/A366EOWBCCZH3/A366EXXSCCZH3
COOColombiaSep 3, 2026day 0A366EXXSCCZH3/A366EOWBCCZH3/A366EXXSCCZH3
CRCCosta RicaSep 3, 2026day 0A366EXXSCCZH3/A366EOWBCCZH3/A366EXXSCCZH3
DORDominican RepublicSep 3, 2026day 0A366EXXSCCZH3/A366EOWBCCZH3/A366EXXSCCZH3
EBEEcuadorSep 3, 2026day 0A366EXXSCCZH3/A366EOWBCCZH3/A366EXXSCCZH3
ECOEcuadorSep 3, 2026day 0A366EXXSCCZH3/A366EOWBCCZH3/A366EXXSCCZH3
GLONigeria (Glo)Sep 3, 2026day 0A366EXXSCCZH3/A366EOWBCCZH3/A366EXXSCCZH3
PEOPeruSep 3, 2026day 0A366EXXSCCZH3/A366EOWBCCZH3/A366EXXSCCZH3
PETPeru (Movistar)Sep 3, 2026day 0A366EXXSCCZH3/A366EOWBCCZH3/A366EXXSCCZH3
PGUGuatemalaSep 3, 2026day 0A366EXXSCCZH3/A366EOWBCCZH3/A366EXXSCCZH3
PNTPanamaSep 3, 2026day 0A366EXXSCCZH3/A366EOWBCCZH3/A366EXXSCCZH3
SAMOceaniaSep 3, 2026day 0A366EXXSCCZH3/A366EOWBCCZH3/A366EXXSCCZH3

Download and release notes

samloader download -m SM-A366E -r ARO -v A366EXXSCCZH3/A366EOWOCCZH3/A366EXXSCCZH3

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 A366EXXSCCZH3.