A5108ZMU4CSB1 – Galaxy A5 ⑥ firmware

Build A5108ZMU4CSB1 is a feature update for the Galaxy A5 ⑥ (SM-A5108) on Android 7. It first appeared on Samsung's servers on May 30, 2019 (method) and has reached 1 region so far. It raises the bootloader bit from 3 to 4: once installed, the device no longer accepts firmware with bit 3 or lower, so a downgrade to A5108ZMU3CRL4 is blocked. Samsung still serves this file.

Model
SM-A5108
Android
Android 7
Type
Feature
Bootloader bit
4
First released
May 30, 2019
Regions
1

Rollout timeline by region

The date each region code (CSC) first received A5108ZMU4CSB1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
CHMChina (Mobile)May 30, 2019day 0A5108ZMU4CSB1/A5108CHM4CSB1/A5108ZMU4CSB1

Download and release notes

samloader download -m SM-A5108 -r CHM -v A5108ZMU4CSB1/A5108CHM4CSB1/A5108ZMU4CSB1

Samsung's release notes and security patch level for this update: SM-A5108 / CHM on doc.samsungmobile.com. What each part of the build number means: decode A5108ZMU4CSB1.