Samsung Galaxy A36 5G (SM-A366B) Firmware Overview
What is the latest SM-A366B firmware?
A366BXXUCDZIF, released September 29, 2026 for region EUX with Android 17. It is a feature update on bootloader binary 12. The archive holds 1 official build for this region.
Is the Samsung Galaxy A36 5G still getting updates?
Yes. The newest build is from September 2026.
Can I downgrade the SM-A366B firmware?
Only to builds with the same bootloader binary (the Bit column) or higher. All decodable builds in the archive share binary 12:
- Binary 12 — since Sep 2026
SM-A366B firmware for region EUX
| Build / PDA | Bit | Region (CSC) | Android | Date | Download Link |
|---|---|---|---|---|---|
|
A366BXXUCDZIF
Feature update
|
12 | EUX | 17 |
2026-09-29 | Download |
How to Flash SM-A366B Firmware
Put the Samsung Galaxy A36 5G into Download Mode, load the BL, AP, CP and CSC files into Odin on a Windows PC and press Start. Pick a build with Bit 12 or higher if your phone is already on the latest firmware. Use HOME_CSC to keep your data, CSC for a full wipe.