W2018ZCU2CSI2 – W2018 firmware
Build W2018ZCU2CSI2 is a feature update for the W2018 (SM-W2018)
on Android 9. It first appeared on Samsung's servers on Oct 9, 2019 (method) and has reached
1 region so far. It keeps bootloader bit 2, so downgrading to the previous build W2018ZCU2CSH6 is still possible. Samsung still serves this file.
- Model
- SM-W2018
- Android
- Android 9
- Type
- Feature
- Bootloader bit
- 2
- First released
- Oct 9, 2019
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received W2018ZCU2CSI2, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
CHC | China | Oct 9, 2019 | day 0 | W2018ZCU2CSI2/W2018CHC2CSI2/W2018ZCU2CSI2 |
Download and release notes
samloader download -m SM-W2018 -r CHC -v W2018ZCU2CSI2/W2018CHC2CSI2/W2018ZCU2CSI2Samsung's release notes and security patch level for this update: SM-W2018 / CHC on doc.samsungmobile.com. What each part of the build number means: decode W2018ZCU2CSI2.