A300MUBS1BRK3 – GALAXY A3 firmware
Build A300MUBS1BRK3 is a security update for the GALAXY A3 (SM-A300M)
on Android 5. It first appeared on Samsung's servers on Feb 17, 2019 (method) and has reached
10 regions so far. It keeps bootloader bit 1, so downgrading to the previous build A300MUBS1BRK1 is still possible. Samsung still serves this file.
- Model
- SM-A300M
- Android
- Android 5
- Type
- Security
- Bootloader bit
- 1
- First released
- Feb 17, 2019
- Regions
- 10
Not yet released in 6 regions that are still on an older build: CDR, COM, PET, PGU, PNT, TMM.
Rollout timeline by region
The date each region code (CSC) first received A300MUBS1BRK3, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
ARO | Argentina | Feb 17, 2019 | day 0 | A300MUBS1BRK3/A300MUUB1BRK1/A300MUBS1BQB3 |
BVO | Bolivia | Feb 17, 2019 | day 0 | A300MUBS1BRK3/A300MUUB1BRK1/A300MUBS1BQB3 |
COO | Colombia | Feb 17, 2019 | day 0 | A300MUBS1BRK3/A300MUUB1BRK1/A300MUBS1BQB3 |
TPA | Panama | Feb 17, 2019 | day 0 | A300MUBS1BRK3/A300MUUB1BRK1/A300MUBS1BQB3 |
TTT | Trinidad & Tobago | Feb 17, 2019 | day 0 | A300MUBS1BRK3/A300MUUB1BRK1/A300MUBS1BQB3 |
UPO | Uruguay | Feb 17, 2019 | day 0 | A300MUBS1BRK3/A300MUUB1BRK1/A300MUBS1BQB3 |
ZTO | Brazil | Feb 17, 2019 | day 0 | A300MUBS1BRK3/A300MZTO1BRK1/A300MUBS1BQB3 |
COB | Colombia (Movistar) | Feb 17, 2019 | day 0 | A300MUBS1BRK3/A300MTFG1BRK1/A300MUBS1BQB2 |
NBS | Latin America (open market) | Feb 17, 2019 | day 0 | A300MUBS1BRK3/A300MTFG1BRK1/A300MUBS1BQB2 |
UFN | Argentina (Movistar) | Feb 17, 2019 | day 0 | A300MUBS1BRK3/A300MTFG1BRK1/A300MUBS1BQB2 |
Download and release notes
samloader download -m SM-A300M -r ARO -v A300MUBS1BRK3/A300MUUB1BRK1/A300MUBS1BQB3Samsung's release notes and security patch level for this update: SM-A300M / ARO on doc.samsungmobile.com. What each part of the build number means: decode A300MUBS1BRK3.