G8870ZHU7CZB1 – Galaxy A8s firmware
Build G8870ZHU7CZB1 is a feature update for the Galaxy A8s (SM-G8870)
on Android 10. It first appeared on Samsung's servers on Apr 22, 2026 (method) and has reached
1 region so far. It keeps bootloader bit 7, so downgrading to the previous build G8870ZHS7CVL1 is still possible. Samsung still serves this file.
- Model
- SM-G8870
- Android
- Android 10
- Type
- Feature
- Bootloader bit
- 7
- First released
- Apr 22, 2026
- Regions
- 1
Not yet released in 1 regions that are still on an older build: CHC.
Rollout timeline by region
The date each region code (CSC) first received G8870ZHU7CZB1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
TGY | Hong Kong | Apr 22, 2026 | day 0 | G8870ZHU7CZB1/G8870HFE7CZB1/G8870ZHU7CZB1 |
Download and release notes
samloader download -m SM-G8870 -r TGY -v G8870ZHU7CZB1/G8870HFE7CZB1/G8870ZHU7CZB1Samsung's release notes and security patch level for this update: SM-G8870 / TGY on doc.samsungmobile.com. What each part of the build number means: decode G8870ZHU7CZB1.