A085MUBS2AZI1 – Galaxy A08 firmware
Build A085MUBS2AZI1 is a security update for the Galaxy A08 (SM-A085M)
on Android 17 (One UI 9). It first appeared on Samsung's servers on Sep 21, 2026 (method) and has reached
28 regions so far. It raises the bootloader bit from 1 to 2: once installed, the device no longer accepts firmware with bit 1 or lower, so a downgrade to A085MUBU1AZH4 is blocked. Samsung still serves this file.
- Model
- SM-A085M
- Android
- Android 17
- Type
- Security
- Bootloader bit
- 2
- First released
- Sep 21, 2026
- Regions
- 28
Rollout timeline by region
The date each region code (CSC) first received A085MUBS2AZI1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
GTO | Guatemala | Sep 21, 2026 | day 0 | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
ZTM | Brazil (TIM) | Sep 21, 2026 | day 0 | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
ZTO | Brazil | Sep 21, 2026 | day 0 | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
ZVV | Brazil (Vivo) | Sep 21, 2026 | day 0 | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
IUS | Mexico (AT&T) | Sep 24, 2026 | +3 days | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
MXO | Mexico | Sep 24, 2026 | +3 days | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
TCE | Mexico (Telcel) | Sep 24, 2026 | +3 days | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
CGU | Guatemala (Claro) | Sep 24, 2026 | +3 days | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
ECO | Ecuador | Sep 24, 2026 | +3 days | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
PGU | Guatemala | Sep 24, 2026 | +3 days | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
ARO | Argentina | Sep 29, 2026 | +8 days | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
BVO | Bolivia | Sep 29, 2026 | +8 days | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
CDR | Dominican Republic | Sep 29, 2026 | +8 days | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
COO | Colombia | Sep 29, 2026 | +8 days | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
CTI | Argentina (Claro) | Sep 29, 2026 | +8 days | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
PEO | Peru | Sep 29, 2026 | +8 days | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
PET | Peru (Movistar) | Sep 29, 2026 | +8 days | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
PNT | Panama | Sep 29, 2026 | +8 days | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
PSN | Argentina (Personal) | Sep 29, 2026 | +8 days | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
SAM | Oceania | Sep 29, 2026 | +8 days | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
UFN | Argentina (Movistar) | Sep 29, 2026 | +8 days | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
UPO | Uruguay | Sep 29, 2026 | +8 days | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
UYO | Uruguay | Sep 29, 2026 | +8 days | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
CHE | Chile (Entel) | Oct 5, 2026 | +14 days | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
CHL | Chile (Claro) | Oct 5, 2026 | +14 days | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
CHO | Chile | Oct 5, 2026 | +14 days | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
CHT | Chile (Movistar) | Oct 5, 2026 | +14 days | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
COM | Colombia (Claro) | Oct 5, 2026 | +14 days | A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1 |
Download and release notes
samloader download -m SM-A085M -r GTO -v A085MUBS2AZI1/A085MOWO2AZI1/A085MUBS2AZI1Samsung's release notes and security patch level for this update: SM-A085M / GTO on doc.samsungmobile.com. What each part of the build number means: decode A085MUBS2AZI1.