A366EXXSCCZH1 – Galaxy A36 5G firmware

Build A366EXXSCCZH1 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 2, 2026 (method) and has reached 3 regions so far. It keeps bootloader bit 12, so downgrading to the previous build A366EXXSCCZH2 is still possible. Samsung still serves this file.

Model
SM-A366E
Android
Android 16
Type
Security
Bootloader bit
12
First released
Sep 2, 2026
Regions
3

Rollout timeline by region

The date each region code (CSC) first received A366EXXSCCZH1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
CAUCaucasusSep 2, 2026day 0A366EXXSCCZH1/A366EOXECCZH1/A366EXXSCCZH1
SERRussiaSep 2, 2026day 0A366EXXSCCZH1/A366EOXECCZH1/A366EXXSCCZH1
SKZKazakhstanSep 2, 2026day 0A366EXXSCCZH1/A366EOXECCZH1/A366EXXSCCZH1

Download and release notes

samloader download -m SM-A366E -r CAU -v A366EXXSCCZH1/A366EOXECCZH1/A366EXXSCCZH1

Samsung's release notes and security patch level for this update: SM-A366E / CAU on doc.samsungmobile.com. What each part of the build number means: decode A366EXXSCCZH1.