G9550ZCS6DUD1 – Galaxy S8+ firmware
Build G9550ZCS6DUD1 is a security update for the Galaxy S8+ (SM-G9550)
on Android 9. It first appeared on Samsung's servers on Apr 26, 2021 (method) and has reached
1 region so far. It keeps bootloader bit 6, so downgrading to the previous build G9550ZHS6DUD1 is still possible. Samsung still serves this file.
- Model
- SM-G9550
- Android
- Android 9
- Type
- Security
- Bootloader bit
- 6
- First released
- Apr 26, 2021
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received G9550ZCS6DUD1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
CHC | China | Apr 26, 2021 | day 0 | G9550ZCS6DUD1/G9550CHC6DUD1/G9550ZCS6DUD1 |
Download and release notes
samloader download -m SM-G9550 -r CHC -v G9550ZCS6DUD1/G9550CHC6DUD1/G9550ZCS6DUD1Samsung's release notes and security patch level for this update: SM-G9550 / CHC on doc.samsungmobile.com. What each part of the build number means: decode G9550ZCS6DUD1.