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.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
CAU | Caucasus | Sep 2, 2026 | day 0 | A366EXXSCCZH1/A366EOXECCZH1/A366EXXSCCZH1 |
SER | Russia | Sep 2, 2026 | day 0 | A366EXXSCCZH1/A366EOXECCZH1/A366EXXSCCZH1 |
SKZ | Kazakhstan | Sep 2, 2026 | day 0 | A366EXXSCCZH1/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.