A3058ZMS4BUD3 – Galaxy A40s firmware

Build A3058ZMS4BUD3 is a security update for the Galaxy A40s (SM-A3058) on Android 10. It first appeared on Samsung's servers on Apr 28, 2021 (method) and has reached 1 region so far. It keeps bootloader bit 4, so downgrading to the previous build A3058ZMU4BUA1 is still possible. Samsung still serves this file.

Model
SM-A3058
Android
Android 10
Type
Security
Bootloader bit
4
First released
Apr 28, 2021
Regions
1

Rollout timeline by region

The date each region code (CSC) first received A3058ZMS4BUD3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
CHMChina (Mobile)Apr 28, 2021day 0A3058ZMS4BUD3/A3058CHM4BUD3/A3058ZMS4BUD3

Download and release notes

samloader download -m SM-A3058 -r CHM -v A3058ZMS4BUD3/A3058CHM4BUD3/A3058ZMS4BUD3

Samsung's release notes and security patch level for this update: SM-A3058 / CHM on doc.samsungmobile.com. What each part of the build number means: decode A3058ZMS4BUD3.