G8858ZMU5CTL1 – Galaxy A9 Star firmware
Build G8858ZMU5CTL1 is a feature update for the Galaxy A9 Star (SM-G8858)
on Android 10. It first appeared on Samsung's servers on Jan 8, 2021 (method) and has reached
1 region so far. It raises the bootloader bit from 4 to 5: once installed, the device no longer accepts firmware with bit 4 or lower, so a downgrade to G8858ZMU4CTF1 is blocked. Samsung still serves this file.
- Model
- SM-G8858
- Android
- Android 10
- Type
- Feature
- Bootloader bit
- 5
- First released
- Jan 8, 2021
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received G8858ZMU5CTL1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
CHM | China (Mobile) | Jan 8, 2021 | day 0 | G8858ZMU5CTL1/G8858CHM5CTL1/G8858ZMU5CTL1 |
Download and release notes
samloader download -m SM-G8858 -r CHM -v G8858ZMU5CTL1/G8858CHM5CTL1/G8858ZMU5CTL1Samsung's release notes and security patch level for this update: SM-G8858 / CHM on doc.samsungmobile.com. What each part of the build number means: decode G8858ZMU5CTL1.