A405SKSS5CWA2 – Galaxy A40 firmware

Build A405SKSS5CWA2 is a security update for the Galaxy A40 (SM-A405S) on Android 11 (One UI 3). It first appeared on Samsung's servers on Feb 16, 2023 (method) and has reached 1 region so far. It keeps bootloader bit 5, so downgrading to the previous build A405SKSU5CVK1 is still possible. Samsung still serves this file.

Model
SM-A405S
Android
Android 11
Type
Security
Bootloader bit
5
First released
Feb 16, 2023
Regions
1

Rollout timeline by region

The date each region code (CSC) first received A405SKSS5CWA2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
SKCSouth Korea (SKT)Feb 16, 2023day 0A405SKSS5CWA2/A405SSKC5CWA2/A405SKSU5CVK1

Download and release notes

samloader download -m SM-A405S -r SKC -v A405SKSS5CWA2/A405SSKC5CWA2/A405SKSU5CVK1

Samsung's release notes and security patch level for this update: SM-A405S / SKC on doc.samsungmobile.com. What each part of the build number means: decode A405SKSS5CWA2.