A300MUBS1BRK2 – GALAXY A3 firmware
Build A300MUBS1BRK2 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
5 regions so far. It keeps bootloader bit 1, so downgrading to the previous build A300MUBS1BQB1 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
- 5
Rollout timeline by region
The date each region code (CSC) first received A300MUBS1BRK2, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
ECO | Ecuador | Feb 17, 2019 | day 0 | A300MUBS1BRK2/A300MECO1BRK1/A300MUBS1BQB3 |
CTI | Argentina (Claro) | Feb 17, 2019 | day 0 | A300MUBS1BRK2/A300MUWA1BRK1/A300MUBS1BQB2 |
ZTR | Brazil (Oi) | Feb 17, 2019 | day 0 | A300MUBS1BRK2/A300MZTR1BRK1/A300MUBS1BQB2 |
PSN | Argentina (Personal) | Feb 17, 2019 | day 0 | A300MUBS1BRK2/A300MPSN1BRK1/A300MUBS1BQB2 |
EBE | Ecuador | Feb 17, 2019 | day 0 | A300MUBS1BRK2/A300MEBE1BRK1/A300MUBS1BQB3 |
Download and release notes
samloader download -m SM-A300M -r ECO -v A300MUBS1BRK2/A300MECO1BRK1/A300MUBS1BQB3Samsung's release notes and security patch level for this update: SM-A300M / ECO on doc.samsungmobile.com. What each part of the build number means: decode A300MUBS1BRK2.