A366EXXUCDZIF – Galaxy A36 5G firmware
Build A366EXXUCDZIF is a feature update for the Galaxy A36 5G (SM-A366E)
on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 18, 2026 (method) and has reached
23 regions so far. It keeps bootloader bit 12, so downgrading to the previous build A366EXXSCCZH3 is still possible. Samsung still serves this file.
- Model
- SM-A366E
- Android
- Android 17
- Type
- Feature
- Bootloader bit
- 12
- First released
- Oct 18, 2026
- Regions
- 23
Rollout timeline by region
The date each region code (CSC) first received A366EXXUCDZIF, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
CAU | Caucasus | Oct 18, 2026 | day 0 | A366EXXUCDZIF/A366EOXECDZIF/A366EXXUCDZIF |
SER | Russia | Oct 18, 2026 | day 0 | A366EXXUCDZIF/A366EOXECDZIF/A366EXXUCDZIF |
SKZ | Kazakhstan | Oct 18, 2026 | day 0 | A366EXXUCDZIF/A366EOXECDZIF/A366EXXUCDZIF |
GTO | Guatemala | Oct 19, 2026 | +1 day | A366EXXUCDZIF/A366EOWOCDZIF/A366EXXUCDZIF |
ZTA | Brazil (Claro) | Oct 20, 2026 | +2 days | A366EXXUCDZIF/A366EOWOCDZIF/A366EXXUCDZIF |
ZTM | Brazil (TIM) | Oct 20, 2026 | +2 days | A366EXXUCDZIF/A366EOWOCDZIF/A366EXXUCDZIF |
ZTO | Brazil | Oct 20, 2026 | +2 days | A366EXXUCDZIF/A366EOWOCDZIF/A366EXXUCDZIF |
ZVV | Brazil (Vivo) | Oct 20, 2026 | +2 days | A366EXXUCDZIF/A366EOWOCDZIF/A366EXXUCDZIF |
BKD | Bangladesh | Oct 21, 2026 | +3 days | A366EXXUCDZIF/A366EODMCDZIF/A366EXXUCDZIF |
INS | India | Oct 21, 2026 | +3 days | A366EXXUCDZIF/A366EODMCDZIF/A366EXXUCDZIF |
NPB | Nepal | Oct 21, 2026 | +3 days | A366EXXUCDZIF/A366EODMCDZIF/A366EXXUCDZIF |
SLK | Sri Lanka | Oct 21, 2026 | +3 days | A366EXXUCDZIF/A366EODMCDZIF/A366EXXUCDZIF |
COB | Colombia (Movistar) | Oct 22, 2026 | +4 days | A366EXXUCDZIF/A366EOWBCDZIF/A366EXXUCDZIF |
COL | Colombia | Oct 22, 2026 | +4 days | A366EXXUCDZIF/A366EOWBCDZIF/A366EXXUCDZIF |
COO | Colombia | Oct 22, 2026 | +4 days | A366EXXUCDZIF/A366EOWBCDZIF/A366EXXUCDZIF |
TPA | Panama | Oct 22, 2026 | +4 days | A366EXXUCDZIF/A366EOWOCDZIF/A366EXXUCDZIF |
BVO | Bolivia | Oct 27, 2026 | +9 days | A366EXXUCDZIF/A366EOWOCDZIF/A366EXXUCDZIF |
CGU | Guatemala (Claro) | Oct 27, 2026 | +9 days | A366EXXUCDZIF/A366EOWBCDZIF/A366EXXUCDZIF |
IUS | Mexico (AT&T) | Oct 27, 2026 | +9 days | A366EXXUCDZIF/A366EOWOCDZIF/A366EXXUCDZIF |
MXO | Mexico | Oct 27, 2026 | +9 days | A366EXXUCDZIF/A366EOWOCDZIF/A366EXXUCDZIF |
TCE | Mexico (Telcel) | Oct 27, 2026 | +9 days | A366EXXUCDZIF/A366EOWOCDZIF/A366EXXUCDZIF |
TMM | Myanmar | Oct 27, 2026 | +9 days | A366EXXUCDZIF/A366EOWOCDZIF/A366EXXUCDZIF |
PGU | Guatemala | Nov 5, 2026 | +18 days | A366EXXUCDZIF/A366EOWBCDZIF/A366EXXUCDZIF |
Download and release notes
samloader download -m SM-A366E -r INS -v A366EXXUCDZIF/A366EODMCDZIF/A366EXXUCDZIFSamsung's release notes and security patch level for this update: SM-A366E / INS on doc.samsungmobile.com. What each part of the build number means: decode A366EXXUCDZIF.