A405FMPUS4CWB4 – Galaxy A40 firmware
Build A405FMPUS4CWB4 is a security update for the Galaxy A40 (SM-A405FM)
on Android 11 (One UI 3). It first appeared on Samsung's servers on Feb 23, 2023 (method) and has reached
1 region so far. It keeps bootloader bit 4, so downgrading to the previous build A405FMPUU4CVK1 is still possible. Samsung still serves this file.
- Model
- SM-A405FM
- Android
- Android 11
- Type
- Security
- Bootloader bit
- 4
- First released
- Feb 23, 2023
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received A405FMPUS4CWB4, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
SER | Russia | Feb 23, 2023 | day 0 | A405FMPUS4CWB4/A405FMSER4CVK1/A405FNXXU4CVK1 |
Download and release notes
samloader download -m SM-A405FM -r SER -v A405FMPUS4CWB4/A405FMSER4CVK1/A405FNXXU4CVK1Samsung's release notes and security patch level for this update: SM-A405FM / SER on doc.samsungmobile.com. What each part of the build number means: decode A405FMPUS4CWB4.