A300MUBS1BQB4 – GALAXY A3 firmware
Build A300MUBS1BQB4 is a security update for the GALAXY A3 (SM-A300M)
on Android 5. It first appeared on Samsung's servers on Apr 12, 2017 (method) and has reached
1 region so far. It keeps bootloader bit 1, so downgrading to the previous build A300MUBS1BQB5 is still possible. Samsung still serves this file.
- Model
- SM-A300M
- Android
- Android 5
- Type
- Security
- Bootloader bit
- 1
- First released
- Apr 12, 2017
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received A300MUBS1BQB4, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
COM | Colombia (Claro) | Apr 12, 2017 | day 0 | A300MUBS1BQB4/A300MUWA1BPF2/A300MUBS1BQB4 |
Download and release notes
samloader download -m SM-A300M -r COM -v A300MUBS1BQB4/A300MUWA1BPF2/A300MUBS1BQB4Samsung's release notes and security patch level for this update: SM-A300M / COM on doc.samsungmobile.com. What each part of the build number means: decode A300MUBS1BQB4.