G9810ZHSCHYA1 – Galaxy S20 5G firmware
Build G9810ZHSCHYA1 is a security update for the Galaxy S20 5G (SM-G9810)
on Android 13 (One UI 5). It first appeared on Samsung's servers on Feb 4, 2025 (method) and has reached
2 regions so far. It raises the bootloader bit from 11 to 12: once installed, the device no longer accepts firmware with bit 11 or lower, so a downgrade to G9810ZHSBHXJ2 is blocked. Samsung still serves this file.
- Model
- SM-G9810
- Android
- Android 13
- Type
- Security
- Bootloader bit
- 12
- First released
- Feb 4, 2025
- Regions
- 2
Rollout timeline by region
The date each region code (CSC) first received G9810ZHSCHYA1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
BRI | Taiwan | Feb 4, 2025 | day 0 | G9810ZHSCHYA1/G9810OZSCHYA1/G9810ZCSCHYA1 |
TGY | Hong Kong | Feb 4, 2025 | day 0 | G9810ZHSCHYA1/G9810OZSCHYA1/G9810ZCSCHYA1 |
Download and release notes
samloader download -m SM-G9810 -r BRI -v G9810ZHSCHYA1/G9810OZSCHYA1/G9810ZCSCHYA1Samsung's release notes and security patch level for this update: SM-G9810 / BRI on doc.samsungmobile.com. What each part of the build number means: decode G9810ZHSCHYA1.