A7108ZMU4CSB2 – Galaxy A7 firmware
Build A7108ZMU4CSB2 is a feature update for the Galaxy A7 (SM-A7108)
on Android 7. It first appeared on Samsung's servers on Apr 25, 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 A7108ZMU3CSA1 is blocked. Samsung still serves this file.
- Model
- SM-A7108
- Android
- Android 7
- Type
- Feature
- Bootloader bit
- 4
- First released
- Apr 25, 2019
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received A7108ZMU4CSB2, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
CHM | China (Mobile) | Apr 25, 2019 | day 0 | A7108ZMU4CSB2/A7108CHM4CSB2/A7108ZMU4CSB2 |
Download and release notes
samloader download -m SM-A7108 -r CHM -v A7108ZMU4CSB2/A7108CHM4CSB2/A7108ZMU4CSB2Samsung's release notes and security patch level for this update: SM-A7108 / CHM on doc.samsungmobile.com. What each part of the build number means: decode A7108ZMU4CSB2.